diff --git a/homeassistant/components/ambiclimate/climate.py b/homeassistant/components/ambiclimate/climate.py
index a8ed166903e6b0..cb19d1329caaf4 100644
--- a/homeassistant/components/ambiclimate/climate.py
+++ b/homeassistant/components/ambiclimate/climate.py
@@ -5,7 +5,7 @@
 import ambiclimate
 import voluptuous as vol
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     HVAC_MODE_OFF,
@@ -130,7 +130,7 @@ async def set_temperature_mode(service):
     )
 
 
-class AmbiclimateEntity(ClimateDevice):
+class AmbiclimateEntity(ClimateEntity):
     """Representation of a Ambiclimate Thermostat device."""
 
     def __init__(self, heater, store):
diff --git a/homeassistant/components/climate/__init__.py b/homeassistant/components/climate/__init__.py
index f3aff44ff4d1b1..d3241791cf2437 100644
--- a/homeassistant/components/climate/__init__.py
+++ b/homeassistant/components/climate/__init__.py
@@ -101,7 +101,7 @@
 
 
 async def async_setup(hass: HomeAssistantType, config: ConfigType) -> bool:
-    """Set up climate devices."""
+    """Set up climate entities."""
     component = hass.data[DOMAIN] = EntityComponent(
         _LOGGER, DOMAIN, hass, SCAN_INTERVAL
     )
@@ -156,8 +156,8 @@ async def async_unload_entry(hass: HomeAssistantType, entry):
     return await hass.data[DOMAIN].async_unload_entry(entry)
 
 
-class ClimateDevice(Entity):
-    """Representation of a climate device."""
+class ClimateEntity(Entity):
+    """Representation of a climate entity."""
 
     @property
     def state(self) -> str:
@@ -509,7 +509,7 @@ def max_humidity(self) -> int:
 
 
 async def async_service_aux_heat(
-    entity: ClimateDevice, service: ServiceDataType
+    entity: ClimateEntity, service: ServiceDataType
 ) -> None:
     """Handle aux heat service."""
     if service.data[ATTR_AUX_HEAT]:
@@ -519,7 +519,7 @@ async def async_service_aux_heat(
 
 
 async def async_service_temperature_set(
-    entity: ClimateDevice, service: ServiceDataType
+    entity: ClimateEntity, service: ServiceDataType
 ) -> None:
     """Handle set temperature service."""
     hass = entity.hass
@@ -534,3 +534,15 @@ async def async_service_temperature_set(
             kwargs[value] = temp
 
     await entity.async_set_temperature(**kwargs)
+
+
+class ClimateDevice(ClimateEntity):
+    """Representation of a climate entity (for backwards compatibility)."""
+
+    def __init_subclass__(cls, **kwargs):
+        """Print deprecation warning."""
+        super().__init_subclass__(**kwargs)
+        _LOGGER.warning(
+            "ClimateDevice is deprecated, modify %s to extend ClimateEntity",
+            cls.__name__,
+        )
diff --git a/homeassistant/components/coolmaster/climate.py b/homeassistant/components/coolmaster/climate.py
index a52431dd89be22..6e68e858a6d420 100644
--- a/homeassistant/components/coolmaster/climate.py
+++ b/homeassistant/components/coolmaster/climate.py
@@ -4,7 +4,7 @@
 
 from pycoolmasternet import CoolMasterNet
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_COOL,
     HVAC_MODE_DRY,
@@ -60,7 +60,7 @@ async def async_setup_entry(hass, config_entry, async_add_devices):
     async_add_devices(all_devices, True)
 
 
-class CoolmasterClimate(ClimateDevice):
+class CoolmasterClimate(ClimateEntity):
     """Representation of a coolmaster climate device."""
 
     def __init__(self, device, supported_modes):
diff --git a/homeassistant/components/daikin/climate.py b/homeassistant/components/daikin/climate.py
index 5455bd6f670fb8..ebf909dcbdac85 100644
--- a/homeassistant/components/daikin/climate.py
+++ b/homeassistant/components/daikin/climate.py
@@ -4,7 +4,7 @@
 from pydaikin import appliance
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_FAN_MODE,
     ATTR_HVAC_MODE,
@@ -86,7 +86,7 @@ async def async_setup_entry(hass, entry, async_add_entities):
     async_add_entities([DaikinClimate(daikin_api)], update_before_add=True)
 
 
-class DaikinClimate(ClimateDevice):
+class DaikinClimate(ClimateEntity):
     """Representation of a Daikin HVAC."""
 
     def __init__(self, api):
diff --git a/homeassistant/components/deconz/climate.py b/homeassistant/components/deconz/climate.py
index 7b0f44807ec441..424693505ca47f 100644
--- a/homeassistant/components/deconz/climate.py
+++ b/homeassistant/components/deconz/climate.py
@@ -1,7 +1,7 @@
 """Support for deCONZ climate devices."""
 from pydeconz.sensor import Thermostat
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_AUTO,
     HVAC_MODE_HEAT,
@@ -58,7 +58,7 @@ def async_add_climate(sensors, new=True):
     async_add_climate(gateway.api.sensors.values())
 
 
-class DeconzThermostat(DeconzDevice, ClimateDevice):
+class DeconzThermostat(DeconzDevice, ClimateEntity):
     """Representation of a deCONZ thermostat."""
 
     @property
diff --git a/homeassistant/components/demo/climate.py b/homeassistant/components/demo/climate.py
index 0edcf618ba6346..9733d0f1147651 100644
--- a/homeassistant/components/demo/climate.py
+++ b/homeassistant/components/demo/climate.py
@@ -1,7 +1,7 @@
 """Demo platform that offers a fake climate device."""
 import logging
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
@@ -97,7 +97,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     await async_setup_platform(hass, {}, async_add_entities)
 
 
-class DemoClimate(ClimateDevice):
+class DemoClimate(ClimateEntity):
     """Representation of a demo climate device."""
 
     def __init__(
diff --git a/homeassistant/components/dyson/climate.py b/homeassistant/components/dyson/climate.py
index f4e23b016226f5..6b2d7cbe74ccfc 100644
--- a/homeassistant/components/dyson/climate.py
+++ b/homeassistant/components/dyson/climate.py
@@ -5,7 +5,7 @@
 from libpurecool.dyson_pure_hotcool_link import DysonPureHotCoolLink
 from libpurecool.dyson_pure_state import DysonPureHotCoolState
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_COOL,
     CURRENT_HVAC_HEAT,
@@ -43,7 +43,7 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
     )
 
 
-class DysonPureHotCoolLinkDevice(ClimateDevice):
+class DysonPureHotCoolLinkDevice(ClimateEntity):
     """Representation of a Dyson climate fan."""
 
     def __init__(self, device):
diff --git a/homeassistant/components/ecobee/climate.py b/homeassistant/components/ecobee/climate.py
index 89f464452f8503..c956308ab8eea8 100644
--- a/homeassistant/components/ecobee/climate.py
+++ b/homeassistant/components/ecobee/climate.py
@@ -4,7 +4,7 @@
 
 import voluptuous as vol
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
@@ -249,7 +249,7 @@ def resume_program_set_service(service):
     )
 
 
-class Thermostat(ClimateDevice):
+class Thermostat(ClimateEntity):
     """A thermostat class for Ecobee."""
 
     def __init__(self, data, thermostat_index):
diff --git a/homeassistant/components/elkm1/climate.py b/homeassistant/components/elkm1/climate.py
index baaf3d44eb2e37..6d10df45adfd77 100644
--- a/homeassistant/components/elkm1/climate.py
+++ b/homeassistant/components/elkm1/climate.py
@@ -1,7 +1,7 @@
 """Support for control of Elk-M1 connected thermostats."""
 from elkm1_lib.const import ThermostatFan, ThermostatMode, ThermostatSetting
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
@@ -39,7 +39,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     async_add_entities(entities, True)
 
 
-class ElkThermostat(ElkEntity, ClimateDevice):
+class ElkThermostat(ElkEntity, ClimateEntity):
     """Representation of an Elk-M1 Thermostat."""
 
     def __init__(self, element, elk, elk_data):
diff --git a/homeassistant/components/ephember/climate.py b/homeassistant/components/ephember/climate.py
index d743f3e82babd9..787677a66054e2 100644
--- a/homeassistant/components/ephember/climate.py
+++ b/homeassistant/components/ephember/climate.py
@@ -15,7 +15,7 @@
 )
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -70,7 +70,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     return
 
 
-class EphEmberThermostat(ClimateDevice):
+class EphEmberThermostat(ClimateEntity):
     """Representation of a EphEmber thermostat."""
 
     def __init__(self, ember, zone):
diff --git a/homeassistant/components/eq3btsmart/climate.py b/homeassistant/components/eq3btsmart/climate.py
index d0b60c74443da1..402dfc684b38e9 100644
--- a/homeassistant/components/eq3btsmart/climate.py
+++ b/homeassistant/components/eq3btsmart/climate.py
@@ -6,7 +6,7 @@
 import eq3bt as eq3  # pylint: disable=import-error
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_AUTO,
     HVAC_MODE_HEAT,
@@ -76,7 +76,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities(devices, True)
 
 
-class EQ3BTSmartThermostat(ClimateDevice):
+class EQ3BTSmartThermostat(ClimateEntity):
     """Representation of an eQ-3 Bluetooth Smart thermostat."""
 
     def __init__(self, _mac, _name):
diff --git a/homeassistant/components/esphome/climate.py b/homeassistant/components/esphome/climate.py
index 960366a8332e76..46ed214afba4cb 100644
--- a/homeassistant/components/esphome/climate.py
+++ b/homeassistant/components/esphome/climate.py
@@ -11,7 +11,7 @@
     ClimateSwingMode,
 )
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     ATTR_TARGET_TEMP_HIGH,
@@ -75,7 +75,7 @@ async def async_setup_entry(hass, entry, async_add_entities):
         async_add_entities,
         component_key="climate",
         info_type=ClimateInfo,
-        entity_type=EsphomeClimateDevice,
+        entity_type=EsphomeClimateEntity,
         state_type=ClimateState,
     )
 
@@ -129,7 +129,7 @@ def _swing_modes():
     }
 
 
-class EsphomeClimateDevice(EsphomeEntity, ClimateDevice):
+class EsphomeClimateEntity(EsphomeEntity, ClimateEntity):
     """A climate implementation for ESPHome."""
 
     @property
diff --git a/homeassistant/components/evohome/climate.py b/homeassistant/components/evohome/climate.py
index b7899afdd7bdea..c6edb4aa1dc888 100644
--- a/homeassistant/components/evohome/climate.py
+++ b/homeassistant/components/evohome/climate.py
@@ -3,7 +3,7 @@
 import logging
 from typing import List, Optional
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -122,7 +122,7 @@ async def async_setup_platform(
     async_add_entities([controller] + zones, update_before_add=True)
 
 
-class EvoClimateDevice(EvoDevice, ClimateDevice):
+class EvoClimateEntity(EvoDevice, ClimateEntity):
     """Base for an evohome Climate device."""
 
     def __init__(self, evo_broker, evo_device) -> None:
@@ -142,7 +142,7 @@ def preset_modes(self) -> Optional[List[str]]:
         return self._preset_modes
 
 
-class EvoZone(EvoChild, EvoClimateDevice):
+class EvoZone(EvoChild, EvoClimateEntity):
     """Base for a Honeywell TCC Zone."""
 
     def __init__(self, evo_broker, evo_device) -> None:
@@ -315,7 +315,7 @@ async def async_update(self) -> None:
             self._device_state_attrs[attr] = getattr(self._evo_device, attr)
 
 
-class EvoController(EvoClimateDevice):
+class EvoController(EvoClimateEntity):
     """Base for a Honeywell TCC Controller/Location.
 
     The Controller (aka TCS, temperature control system) is the parent of all the child
diff --git a/homeassistant/components/fibaro/climate.py b/homeassistant/components/fibaro/climate.py
index 71be289e27b3c2..191185c4a2a6cd 100644
--- a/homeassistant/components/fibaro/climate.py
+++ b/homeassistant/components/fibaro/climate.py
@@ -1,7 +1,7 @@
 """Support for Fibaro thermostats."""
 import logging
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_AUTO,
     HVAC_MODE_COOL,
@@ -104,7 +104,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     )
 
 
-class FibaroThermostat(FibaroDevice, ClimateDevice):
+class FibaroThermostat(FibaroDevice, ClimateEntity):
     """Representation of a Fibaro Thermostat."""
 
     def __init__(self, fibaro_device):
diff --git a/homeassistant/components/flexit/climate.py b/homeassistant/components/flexit/climate.py
index 68e13abf8d1d2f..450d09edeb8af9 100644
--- a/homeassistant/components/flexit/climate.py
+++ b/homeassistant/components/flexit/climate.py
@@ -5,7 +5,7 @@
 from pyflexit.pyflexit import pyflexit
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_COOL,
     SUPPORT_FAN_MODE,
@@ -42,7 +42,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities([Flexit(hub, modbus_slave, name)], True)
 
 
-class Flexit(ClimateDevice):
+class Flexit(ClimateEntity):
     """Representation of a Flexit AC unit."""
 
     def __init__(self, hub, modbus_slave, name):
diff --git a/homeassistant/components/fritzbox/climate.py b/homeassistant/components/fritzbox/climate.py
index 1c95d918ab86cf..4abe82776a9cca 100644
--- a/homeassistant/components/fritzbox/climate.py
+++ b/homeassistant/components/fritzbox/climate.py
@@ -1,7 +1,7 @@
 """Support for AVM Fritz!Box smarthome thermostate devices."""
 import requests
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     HVAC_MODE_HEAT,
@@ -61,7 +61,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     async_add_entities(entities)
 
 
-class FritzboxThermostat(ClimateDevice):
+class FritzboxThermostat(ClimateEntity):
     """The thermostat class for Fritzbox smarthome thermostates."""
 
     def __init__(self, device, fritz):
diff --git a/homeassistant/components/generic_thermostat/climate.py b/homeassistant/components/generic_thermostat/climate.py
index 9a8d6177214861..396d347c3c9dbb 100644
--- a/homeassistant/components/generic_thermostat/climate.py
+++ b/homeassistant/components/generic_thermostat/climate.py
@@ -4,7 +4,7 @@
 
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_PRESET_MODE,
     CURRENT_HVAC_COOL,
@@ -127,7 +127,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     )
 
 
-class GenericThermostat(ClimateDevice, RestoreEntity):
+class GenericThermostat(ClimateEntity, RestoreEntity):
     """Representation of a Generic Thermostat device."""
 
     def __init__(
diff --git a/homeassistant/components/geniushub/climate.py b/homeassistant/components/geniushub/climate.py
index 2221b8706c855c..70d08dc2d1fa69 100644
--- a/homeassistant/components/geniushub/climate.py
+++ b/homeassistant/components/geniushub/climate.py
@@ -1,7 +1,7 @@
 """Support for Genius Hub climate devices."""
 from typing import List, Optional
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -45,7 +45,7 @@ async def async_setup_platform(
     )
 
 
-class GeniusClimateZone(GeniusHeatingZone, ClimateDevice):
+class GeniusClimateZone(GeniusHeatingZone, ClimateEntity):
     """Representation of a Genius Hub climate device."""
 
     def __init__(self, broker, zone) -> None:
diff --git a/homeassistant/components/heatmiser/climate.py b/homeassistant/components/heatmiser/climate.py
index 553ae8f4bc3b83..b3f3363818c3be 100644
--- a/homeassistant/components/heatmiser/climate.py
+++ b/homeassistant/components/heatmiser/climate.py
@@ -9,7 +9,7 @@
     HVAC_MODE_HEAT,
     HVAC_MODE_OFF,
     PLATFORM_SCHEMA,
-    ClimateDevice,
+    ClimateEntity,
 )
 from homeassistant.components.climate.const import SUPPORT_TARGET_TEMPERATURE
 from homeassistant.const import (
@@ -64,7 +64,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     )
 
 
-class HeatmiserV3Thermostat(ClimateDevice):
+class HeatmiserV3Thermostat(ClimateEntity):
     """Representation of a HeatmiserV3 thermostat."""
 
     def __init__(self, therm, device, uh1):
diff --git a/homeassistant/components/hisense_aehw4a1/climate.py b/homeassistant/components/hisense_aehw4a1/climate.py
index da18419c2642f4..23a3a0c1416d40 100644
--- a/homeassistant/components/hisense_aehw4a1/climate.py
+++ b/homeassistant/components/hisense_aehw4a1/climate.py
@@ -5,7 +5,7 @@
 from pyaehw4a1.aehw4a1 import AehW4a1
 import pyaehw4a1.exceptions
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     FAN_AUTO,
     FAN_HIGH,
@@ -144,7 +144,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     async_add_entities(entities, True)
 
 
-class ClimateAehW4a1(ClimateDevice):
+class ClimateAehW4a1(ClimateEntity):
     """Representation of a Hisense AEH-W4A1 module for climate device."""
 
     def __init__(self, device):
diff --git a/homeassistant/components/hive/climate.py b/homeassistant/components/hive/climate.py
index 202cea7bf8e477..33c8fed4ecad41 100644
--- a/homeassistant/components/hive/climate.py
+++ b/homeassistant/components/hive/climate.py
@@ -1,5 +1,5 @@
 """Support for the Hive climate devices."""
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -51,7 +51,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities(devs)
 
 
-class HiveClimateEntity(HiveEntity, ClimateDevice):
+class HiveClimateEntity(HiveEntity, ClimateEntity):
     """Hive Climate Device."""
 
     def __init__(self, hive_session, hive_device):
diff --git a/homeassistant/components/homekit_controller/climate.py b/homeassistant/components/homekit_controller/climate.py
index 2262fa54770629..f06063c5fd2467 100644
--- a/homeassistant/components/homekit_controller/climate.py
+++ b/homeassistant/components/homekit_controller/climate.py
@@ -11,7 +11,7 @@
 from homeassistant.components.climate import (
     DEFAULT_MAX_HUMIDITY,
     DEFAULT_MIN_HUMIDITY,
-    ClimateDevice,
+    ClimateEntity,
 )
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_COOL,
@@ -59,13 +59,13 @@ def async_add_service(aid, service):
         if service["stype"] != "thermostat":
             return False
         info = {"aid": aid, "iid": service["iid"]}
-        async_add_entities([HomeKitClimateDevice(conn, info)], True)
+        async_add_entities([HomeKitClimateEntity(conn, info)], True)
         return True
 
     conn.add_listener(async_add_service)
 
 
-class HomeKitClimateDevice(HomeKitEntity, ClimateDevice):
+class HomeKitClimateEntity(HomeKitEntity, ClimateEntity):
     """Representation of a Homekit climate device."""
 
     def get_characteristic_types(self):
diff --git a/homeassistant/components/homematic/climate.py b/homeassistant/components/homematic/climate.py
index b4ab277a75be87..243e1782a370af 100644
--- a/homeassistant/components/homematic/climate.py
+++ b/homeassistant/components/homematic/climate.py
@@ -1,7 +1,7 @@
 """Support for Homematic thermostats."""
 import logging
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_AUTO,
     HVAC_MODE_HEAT,
@@ -48,7 +48,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities(devices, True)
 
 
-class HMThermostat(HMDevice, ClimateDevice):
+class HMThermostat(HMDevice, ClimateEntity):
     """Representation of a Homematic thermostat."""
 
     @property
diff --git a/homeassistant/components/homematicip_cloud/climate.py b/homeassistant/components/homematicip_cloud/climate.py
index c5fb978e690f1c..3d01f5d69fd313 100644
--- a/homeassistant/components/homematicip_cloud/climate.py
+++ b/homeassistant/components/homematicip_cloud/climate.py
@@ -8,7 +8,7 @@
 from homematicip.device import Switch
 from homematicip.functionalHomes import IndoorClimateHome
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -57,7 +57,7 @@ async def async_setup_entry(
         async_add_entities(entities)
 
 
-class HomematicipHeatingGroup(HomematicipGenericDevice, ClimateDevice):
+class HomematicipHeatingGroup(HomematicipGenericDevice, ClimateEntity):
     """Representation of a HomematicIP heating group.
 
     Heat mode is supported for all heating devices incl. their defined profiles.
diff --git a/homeassistant/components/honeywell/climate.py b/homeassistant/components/honeywell/climate.py
index ece8257a713184..5969dcdcc2793e 100644
--- a/homeassistant/components/honeywell/climate.py
+++ b/homeassistant/components/honeywell/climate.py
@@ -7,7 +7,7 @@
 import somecomfort
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
@@ -145,7 +145,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     )
 
 
-class HoneywellUSThermostat(ClimateDevice):
+class HoneywellUSThermostat(ClimateEntity):
     """Representation of a Honeywell US Thermostat."""
 
     def __init__(
diff --git a/homeassistant/components/iaqualink/climate.py b/homeassistant/components/iaqualink/climate.py
index 36f3303774af2a..2c26b2bc363072 100644
--- a/homeassistant/components/iaqualink/climate.py
+++ b/homeassistant/components/iaqualink/climate.py
@@ -10,7 +10,7 @@
     AQUALINK_TEMP_FAHRENHEIT_LOW,
 )
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     DOMAIN,
     HVAC_MODE_HEAT,
@@ -39,7 +39,7 @@ async def async_setup_entry(
     async_add_entities(devs, True)
 
 
-class HassAqualinkThermostat(AqualinkEntity, ClimateDevice):
+class HassAqualinkThermostat(AqualinkEntity, ClimateEntity):
     """Representation of a thermostat."""
 
     @property
diff --git a/homeassistant/components/incomfort/climate.py b/homeassistant/components/incomfort/climate.py
index 464ff98994101e..274308efe064c1 100644
--- a/homeassistant/components/incomfort/climate.py
+++ b/homeassistant/components/incomfort/climate.py
@@ -1,7 +1,7 @@
 """Support for an Intergas boiler via an InComfort/InTouch Lan2RF gateway."""
 from typing import Any, Dict, List, Optional
 
-from homeassistant.components.climate import DOMAIN as CLIMATE_DOMAIN, ClimateDevice
+from homeassistant.components.climate import DOMAIN as CLIMATE_DOMAIN, ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     SUPPORT_TARGET_TEMPERATURE,
@@ -24,7 +24,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     )
 
 
-class InComfortClimate(IncomfortChild, ClimateDevice):
+class InComfortClimate(IncomfortChild, ClimateEntity):
     """Representation of an InComfort/InTouch climate device."""
 
     def __init__(self, client, heater, room) -> None:
diff --git a/homeassistant/components/intesishome/climate.py b/homeassistant/components/intesishome/climate.py
index a3a06a52c9c94b..ecd00bde986ddd 100644
--- a/homeassistant/components/intesishome/climate.py
+++ b/homeassistant/components/intesishome/climate.py
@@ -5,7 +5,7 @@
 from pyintesishome import IHAuthenticationError, IHConnectionError, IntesisHome
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     HVAC_MODE_COOL,
@@ -129,7 +129,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
         await controller.stop()
 
 
-class IntesisAC(ClimateDevice):
+class IntesisAC(ClimateEntity):
     """Represents an Intesishome air conditioning device."""
 
     def __init__(self, ih_device_id, ih_device, controller):
diff --git a/homeassistant/components/izone/climate.py b/homeassistant/components/izone/climate.py
index b17313925a8f73..69c005b345becd 100644
--- a/homeassistant/components/izone/climate.py
+++ b/homeassistant/components/izone/climate.py
@@ -4,7 +4,7 @@
 
 from pizone import Controller, Zone
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     FAN_AUTO,
     FAN_HIGH,
@@ -100,7 +100,7 @@ def wrapped_f(*args, **kwargs):
     return wrap
 
 
-class ControllerDevice(ClimateDevice):
+class ControllerDevice(ClimateEntity):
     """Representation of iZone Controller."""
 
     def __init__(self, controller: Controller) -> None:
@@ -399,7 +399,7 @@ async def async_turn_on(self) -> None:
         await self.wrap_and_catch(self._controller.set_on(True))
 
 
-class ZoneDevice(ClimateDevice):
+class ZoneDevice(ClimateEntity):
     """Representation of iZone Zone."""
 
     def __init__(self, controller: ControllerDevice, zone: Zone) -> None:
diff --git a/homeassistant/components/knx/climate.py b/homeassistant/components/knx/climate.py
index ab590540543f1a..a3d5ac046a4076 100644
--- a/homeassistant/components/knx/climate.py
+++ b/homeassistant/components/knx/climate.py
@@ -5,7 +5,7 @@
 from xknx.devices import Climate as XknxClimate, ClimateMode as XknxClimateMode
 from xknx.knx import HVACOperationMode
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_AUTO,
     HVAC_MODE_COOL,
@@ -192,7 +192,7 @@ def async_add_entities_config(hass, config, async_add_entities):
     async_add_entities([KNXClimate(climate)])
 
 
-class KNXClimate(ClimateDevice):
+class KNXClimate(ClimateEntity):
     """Representation of a KNX climate device."""
 
     def __init__(self, device):
diff --git a/homeassistant/components/lcn/climate.py b/homeassistant/components/lcn/climate.py
index 12fff2f479b8ae..9634dcf8fb375b 100644
--- a/homeassistant/components/lcn/climate.py
+++ b/homeassistant/components/lcn/climate.py
@@ -2,7 +2,7 @@
 
 import pypck
 
-from homeassistant.components.climate import ClimateDevice, const
+from homeassistant.components.climate import ClimateEntity, const
 from homeassistant.const import ATTR_TEMPERATURE, CONF_ADDRESS, CONF_UNIT_OF_MEASUREMENT
 
 from . import LcnDevice
@@ -38,7 +38,7 @@ async def async_setup_platform(
     async_add_entities(devices)
 
 
-class LcnClimate(LcnDevice, ClimateDevice):
+class LcnClimate(LcnDevice, ClimateEntity):
     """Representation of a LCN climate device."""
 
     def __init__(self, config, address_connection):
diff --git a/homeassistant/components/lightwave/climate.py b/homeassistant/components/lightwave/climate.py
index 8e842624b16fd1..0518e91dda992b 100644
--- a/homeassistant/components/lightwave/climate.py
+++ b/homeassistant/components/lightwave/climate.py
@@ -5,7 +5,7 @@
     HVAC_MODE_HEAT,
     HVAC_MODE_OFF,
     SUPPORT_TARGET_TEMPERATURE,
-    ClimateDevice,
+    ClimateEntity,
 )
 from homeassistant.components.climate.const import CURRENT_HVAC_HEAT, CURRENT_HVAC_OFF
 from homeassistant.const import ATTR_TEMPERATURE, CONF_NAME, TEMP_CELSIUS
@@ -29,7 +29,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     async_add_entities(entities)
 
 
-class LightwaveTrv(ClimateDevice):
+class LightwaveTrv(ClimateEntity):
     """Representation of a LightWaveRF TRV."""
 
     def __init__(self, name, device_id, lwlink, serial):
diff --git a/homeassistant/components/maxcube/climate.py b/homeassistant/components/maxcube/climate.py
index 19bbf8bf0006d7..ccfd44af4f70bc 100644
--- a/homeassistant/components/maxcube/climate.py
+++ b/homeassistant/components/maxcube/climate.py
@@ -9,7 +9,7 @@
     MAX_DEVICE_MODE_VACATION,
 )
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -72,11 +72,11 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         add_entities(devices)
 
 
-class MaxCubeClimate(ClimateDevice):
-    """MAX! Cube ClimateDevice."""
+class MaxCubeClimate(ClimateEntity):
+    """MAX! Cube ClimateEntity."""
 
     def __init__(self, handler, name, rf_address):
-        """Initialize MAX! Cube ClimateDevice."""
+        """Initialize MAX! Cube ClimateEntity."""
         self._name = name
         self._rf_address = rf_address
         self._cubehandle = handler
diff --git a/homeassistant/components/melcloud/climate.py b/homeassistant/components/melcloud/climate.py
index e2d1fdd984d814..bc2ac7f10262d2 100644
--- a/homeassistant/components/melcloud/climate.py
+++ b/homeassistant/components/melcloud/climate.py
@@ -13,7 +13,7 @@
 )
 import voluptuous as vol
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     DEFAULT_MAX_TEMP,
     DEFAULT_MIN_TEMP,
@@ -100,7 +100,7 @@ async def async_setup_entry(
     )
 
 
-class MelCloudClimate(ClimateDevice):
+class MelCloudClimate(ClimateEntity):
     """Base climate device."""
 
     def __init__(self, device: MelCloudDevice):
diff --git a/homeassistant/components/melissa/climate.py b/homeassistant/components/melissa/climate.py
index 4b033811f43186..abbc15c936fd8b 100644
--- a/homeassistant/components/melissa/climate.py
+++ b/homeassistant/components/melissa/climate.py
@@ -1,7 +1,7 @@
 """Support for Melissa Climate A/C."""
 import logging
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     FAN_AUTO,
     FAN_HIGH,
@@ -49,7 +49,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     async_add_entities(all_devices)
 
 
-class MelissaClimate(ClimateDevice):
+class MelissaClimate(ClimateEntity):
     """Representation of a Melissa Climate device."""
 
     def __init__(self, api, serial_number, init_data):
diff --git a/homeassistant/components/mill/climate.py b/homeassistant/components/mill/climate.py
index d904538451c149..814694b0f77467 100644
--- a/homeassistant/components/mill/climate.py
+++ b/homeassistant/components/mill/climate.py
@@ -4,7 +4,7 @@
 from mill import Mill
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -85,7 +85,7 @@ async def set_room_temp(service):
     )
 
 
-class MillHeater(ClimateDevice):
+class MillHeater(ClimateEntity):
     """Representation of a Mill Thermostat device."""
 
     def __init__(self, heater, mill_data_connection):
diff --git a/homeassistant/components/modbus/climate.py b/homeassistant/components/modbus/climate.py
index 5cfd9c36967c56..5498ed617385cf 100644
--- a/homeassistant/components/modbus/climate.py
+++ b/homeassistant/components/modbus/climate.py
@@ -7,7 +7,7 @@
 from pymodbus.pdu import ExceptionResponse
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_AUTO,
     SUPPORT_TARGET_TEMPERATURE,
@@ -115,7 +115,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     )
 
 
-class ModbusThermostat(ClimateDevice):
+class ModbusThermostat(ClimateEntity):
     """Representation of a Modbus Thermostat."""
 
     def __init__(
diff --git a/homeassistant/components/mqtt/climate.py b/homeassistant/components/mqtt/climate.py
index 91e30c7b1b1733..8cc6a3ffbdbe70 100644
--- a/homeassistant/components/mqtt/climate.py
+++ b/homeassistant/components/mqtt/climate.py
@@ -6,7 +6,7 @@
 from homeassistant.components import climate, mqtt
 from homeassistant.components.climate import (
     PLATFORM_SCHEMA as CLIMATE_PLATFORM_SCHEMA,
-    ClimateDevice,
+    ClimateEntity,
 )
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
@@ -273,7 +273,7 @@ class MqttClimate(
     MqttAvailability,
     MqttDiscoveryUpdate,
     MqttEntityDeviceInfo,
-    ClimateDevice,
+    ClimateEntity,
 ):
     """Representation of an MQTT climate device."""
 
diff --git a/homeassistant/components/mysensors/climate.py b/homeassistant/components/mysensors/climate.py
index b00a0d0d9d54df..c318ccf7ec614f 100644
--- a/homeassistant/components/mysensors/climate.py
+++ b/homeassistant/components/mysensors/climate.py
@@ -1,6 +1,6 @@
 """MySensors platform that offers a Climate (MySensors-HVAC) component."""
 from homeassistant.components import mysensors
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
@@ -43,7 +43,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     )
 
 
-class MySensorsHVAC(mysensors.device.MySensorsEntity, ClimateDevice):
+class MySensorsHVAC(mysensors.device.MySensorsEntity, ClimateEntity):
     """Representation of a MySensors HVAC."""
 
     @property
diff --git a/homeassistant/components/nest/climate.py b/homeassistant/components/nest/climate.py
index 92442479091d81..9a84010a3bc8ec 100644
--- a/homeassistant/components/nest/climate.py
+++ b/homeassistant/components/nest/climate.py
@@ -4,7 +4,7 @@
 from nest.nest import APIError
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
@@ -88,7 +88,7 @@ async def async_setup_entry(hass, entry, async_add_entities):
     async_add_entities(all_devices, True)
 
 
-class NestThermostat(ClimateDevice):
+class NestThermostat(ClimateEntity):
     """Representation of a Nest thermostat."""
 
     def __init__(self, structure, device, temp_unit):
diff --git a/homeassistant/components/netatmo/climate.py b/homeassistant/components/netatmo/climate.py
index eb4ec52c0f9229..8de2694095e825 100644
--- a/homeassistant/components/netatmo/climate.py
+++ b/homeassistant/components/netatmo/climate.py
@@ -7,7 +7,7 @@
 import requests
 import voluptuous as vol
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -156,7 +156,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     return
 
 
-class NetatmoThermostat(ClimateDevice):
+class NetatmoThermostat(ClimateEntity):
     """Representation a Netatmo thermostat."""
 
     def __init__(self, data, room_id):
diff --git a/homeassistant/components/nexia/climate.py b/homeassistant/components/nexia/climate.py
index fafa267c91418a..b22b185a44cf47 100644
--- a/homeassistant/components/nexia/climate.py
+++ b/homeassistant/components/nexia/climate.py
@@ -13,7 +13,7 @@
 )
 import voluptuous as vol
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HUMIDITY,
     ATTR_MAX_HUMIDITY,
@@ -133,7 +133,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     async_add_entities(entities, True)
 
 
-class NexiaZone(NexiaThermostatZoneEntity, ClimateDevice):
+class NexiaZone(NexiaThermostatZoneEntity, ClimateEntity):
     """Provides Nexia Climate support."""
 
     def __init__(self, coordinator, zone):
diff --git a/homeassistant/components/nuheat/climate.py b/homeassistant/components/nuheat/climate.py
index c1d591c03eb439..417beecee9a2df 100644
--- a/homeassistant/components/nuheat/climate.py
+++ b/homeassistant/components/nuheat/climate.py
@@ -11,7 +11,7 @@
     nuheat_to_fahrenheit,
 )
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     CURRENT_HVAC_HEAT,
@@ -77,7 +77,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     async_add_entities([entity], True)
 
 
-class NuHeatThermostat(ClimateDevice):
+class NuHeatThermostat(ClimateEntity):
     """Representation of a NuHeat Thermostat."""
 
     def __init__(self, thermostat, temperature_unit):
diff --git a/homeassistant/components/oem/climate.py b/homeassistant/components/oem/climate.py
index b2ecf5a7997770..734fe12d0f5449 100644
--- a/homeassistant/components/oem/climate.py
+++ b/homeassistant/components/oem/climate.py
@@ -5,7 +5,7 @@
 import requests
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -59,7 +59,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities((ThermostatDevice(therm, name),), True)
 
 
-class ThermostatDevice(ClimateDevice):
+class ThermostatDevice(ClimateEntity):
     """Interface class for the oemthermostat module."""
 
     def __init__(self, thermostat, name):
diff --git a/homeassistant/components/opentherm_gw/climate.py b/homeassistant/components/opentherm_gw/climate.py
index a7e7eedef34d06..64625541352723 100644
--- a/homeassistant/components/opentherm_gw/climate.py
+++ b/homeassistant/components/opentherm_gw/climate.py
@@ -3,7 +3,7 @@
 
 from pyotgw import vars as gw_vars
 
-from homeassistant.components.climate import ENTITY_ID_FORMAT, ClimateDevice
+from homeassistant.components.climate import ENTITY_ID_FORMAT, ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_COOL,
     CURRENT_HVAC_HEAT,
@@ -51,7 +51,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     async_add_entities(ents)
 
 
-class OpenThermClimate(ClimateDevice):
+class OpenThermClimate(ClimateEntity):
     """Representation of a climate device."""
 
     def __init__(self, gw_dev, options):
diff --git a/homeassistant/components/plugwise/climate.py b/homeassistant/components/plugwise/climate.py
index aef1dd78197ac2..8e2e525217a8c9 100644
--- a/homeassistant/components/plugwise/climate.py
+++ b/homeassistant/components/plugwise/climate.py
@@ -5,7 +5,7 @@
 import haanna
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_COOL,
     CURRENT_HVAC_HEAT,
@@ -88,7 +88,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities(devices, True)
 
 
-class ThermostatDevice(ClimateDevice):
+class ThermostatDevice(ClimateEntity):
     """Representation of the Plugwise thermostat."""
 
     def __init__(self, api, name, min_temp, max_temp):
diff --git a/homeassistant/components/proliphix/climate.py b/homeassistant/components/proliphix/climate.py
index 44e31e24fb0556..fc44dfba75ba4e 100644
--- a/homeassistant/components/proliphix/climate.py
+++ b/homeassistant/components/proliphix/climate.py
@@ -2,7 +2,7 @@
 import proliphix
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_COOL,
     HVAC_MODE_HEAT,
@@ -41,7 +41,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities([ProliphixThermostat(pdp)], True)
 
 
-class ProliphixThermostat(ClimateDevice):
+class ProliphixThermostat(ClimateEntity):
     """Representation a Proliphix thermostat."""
 
     def __init__(self, pdp):
diff --git a/homeassistant/components/radiotherm/climate.py b/homeassistant/components/radiotherm/climate.py
index acbd6fe7e5ee5d..c5e7f2f956eb40 100644
--- a/homeassistant/components/radiotherm/climate.py
+++ b/homeassistant/components/radiotherm/climate.py
@@ -4,7 +4,7 @@
 import radiotherm
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_COOL,
     CURRENT_HVAC_HEAT,
@@ -125,7 +125,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities(tstats, True)
 
 
-class RadioThermostat(ClimateDevice):
+class RadioThermostat(ClimateEntity):
     """Representation of a Radio Thermostat."""
 
     def __init__(self, device, hold_temp):
diff --git a/homeassistant/components/schluter/climate.py b/homeassistant/components/schluter/climate.py
index d91020c7c2bd3e..88630cb99dbffc 100644
--- a/homeassistant/components/schluter/climate.py
+++ b/homeassistant/components/schluter/climate.py
@@ -8,7 +8,7 @@
     PLATFORM_SCHEMA,
     SCAN_INTERVAL,
     TEMP_CELSIUS,
-    ClimateDevice,
+    ClimateEntity,
 )
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
@@ -63,7 +63,7 @@ async def async_update_data():
     )
 
 
-class SchluterThermostat(ClimateDevice):
+class SchluterThermostat(ClimateEntity):
     """Representation of a Schluter thermostat."""
 
     def __init__(self, coordinator, serial_number, api, session_id):
diff --git a/homeassistant/components/sensibo/climate.py b/homeassistant/components/sensibo/climate.py
index 08e2212e2a2168..93d992d1d894c1 100644
--- a/homeassistant/components/sensibo/climate.py
+++ b/homeassistant/components/sensibo/climate.py
@@ -8,7 +8,7 @@
 import pysensibo
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_COOL,
     HVAC_MODE_DRY,
@@ -135,7 +135,7 @@ async def async_assume_state(service):
     )
 
 
-class SensiboClimate(ClimateDevice):
+class SensiboClimate(ClimateEntity):
     """Representation of a Sensibo device."""
 
     def __init__(self, client, data, units):
diff --git a/homeassistant/components/smartthings/climate.py b/homeassistant/components/smartthings/climate.py
index 83a1af981db826..e9c0e749ca8848 100644
--- a/homeassistant/components/smartthings/climate.py
+++ b/homeassistant/components/smartthings/climate.py
@@ -5,7 +5,7 @@
 
 from pysmartthings import Attribute, Capability
 
-from homeassistant.components.climate import DOMAIN as CLIMATE_DOMAIN, ClimateDevice
+from homeassistant.components.climate import DOMAIN as CLIMATE_DOMAIN, ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     ATTR_TARGET_TEMP_HIGH,
@@ -144,7 +144,7 @@ def get_capabilities(capabilities: Sequence[str]) -> Optional[Sequence[str]]:
     return None
 
 
-class SmartThingsThermostat(SmartThingsEntity, ClimateDevice):
+class SmartThingsThermostat(SmartThingsEntity, ClimateEntity):
     """Define a SmartThings climate entities."""
 
     def __init__(self, device):
@@ -323,7 +323,7 @@ def temperature_unit(self):
         return UNIT_MAP.get(self._device.status.attributes[Attribute.temperature].unit)
 
 
-class SmartThingsAirConditioner(SmartThingsEntity, ClimateDevice):
+class SmartThingsAirConditioner(SmartThingsEntity, ClimateEntity):
     """Define a SmartThings Air Conditioner."""
 
     def __init__(self, device):
diff --git a/homeassistant/components/spider/climate.py b/homeassistant/components/spider/climate.py
index 846ed6a1ac668f..78c77f3679a0d7 100644
--- a/homeassistant/components/spider/climate.py
+++ b/homeassistant/components/spider/climate.py
@@ -2,7 +2,7 @@
 
 import logging
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_COOL,
     HVAC_MODE_HEAT,
@@ -41,7 +41,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities(devices, True)
 
 
-class SpiderThermostat(ClimateDevice):
+class SpiderThermostat(ClimateEntity):
     """Representation of a thermostat."""
 
     def __init__(self, api, thermostat):
diff --git a/homeassistant/components/stiebel_eltron/climate.py b/homeassistant/components/stiebel_eltron/climate.py
index ce16b10f548856..d8c32575b1703a 100644
--- a/homeassistant/components/stiebel_eltron/climate.py
+++ b/homeassistant/components/stiebel_eltron/climate.py
@@ -1,7 +1,7 @@
 """Support for stiebel_eltron climate platform."""
 import logging
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_AUTO,
     HVAC_MODE_HEAT,
@@ -61,7 +61,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities([StiebelEltron(name, ste_data)], True)
 
 
-class StiebelEltron(ClimateDevice):
+class StiebelEltron(ClimateEntity):
     """Representation of a STIEBEL ELTRON heat pump."""
 
     def __init__(self, name, ste_data):
diff --git a/homeassistant/components/tado/climate.py b/homeassistant/components/tado/climate.py
index 5e1bfa94dec81f..cdcc32f7ac2283 100644
--- a/homeassistant/components/tado/climate.py
+++ b/homeassistant/components/tado/climate.py
@@ -1,7 +1,7 @@
 """Support for Tado thermostats."""
 import logging
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_OFF,
     FAN_AUTO,
@@ -163,7 +163,7 @@ def create_climate_entity(tado, name: str, zone_id: int, zone: dict):
     return entity
 
 
-class TadoClimate(TadoZoneEntity, ClimateDevice):
+class TadoClimate(TadoZoneEntity, ClimateEntity):
     """Representation of a Tado climate entity."""
 
     def __init__(
diff --git a/homeassistant/components/tesla/climate.py b/homeassistant/components/tesla/climate.py
index 5ba6f182c0a934..31269155d91492 100644
--- a/homeassistant/components/tesla/climate.py
+++ b/homeassistant/components/tesla/climate.py
@@ -4,7 +4,7 @@
 
 from teslajsonpy.exceptions import UnknownPresetMode
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT_COOL,
     HVAC_MODE_OFF,
@@ -37,7 +37,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
     )
 
 
-class TeslaThermostat(TeslaDevice, ClimateDevice):
+class TeslaThermostat(TeslaDevice, ClimateEntity):
     """Representation of a Tesla climate."""
 
     def __init__(self, tesla_device, controller, config_entry):
diff --git a/homeassistant/components/tfiac/climate.py b/homeassistant/components/tfiac/climate.py
index 6d23018e89750b..1e9bb86d8fd5e1 100644
--- a/homeassistant/components/tfiac/climate.py
+++ b/homeassistant/components/tfiac/climate.py
@@ -6,7 +6,7 @@
 from pytfiac import Tfiac
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     FAN_AUTO,
     FAN_HIGH,
@@ -73,7 +73,7 @@ async def async_setup_platform(hass, config, async_add_devices, discovery_info=N
     async_add_devices([TfiacClimate(hass, tfiac_client)])
 
 
-class TfiacClimate(ClimateDevice):
+class TfiacClimate(ClimateEntity):
     """TFIAC class."""
 
     def __init__(self, hass, client):
diff --git a/homeassistant/components/toon/climate.py b/homeassistant/components/toon/climate.py
index fac9cf4ffc2108..f3c3d9a69bf951 100644
--- a/homeassistant/components/toon/climate.py
+++ b/homeassistant/components/toon/climate.py
@@ -3,7 +3,7 @@
 import logging
 from typing import Any, Dict, List, Optional
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -43,7 +43,7 @@ async def async_setup_entry(
     async_add_entities([ToonThermostatDevice(toon_client, toon_data)], True)
 
 
-class ToonThermostatDevice(ToonDisplayDeviceEntity, ClimateDevice):
+class ToonThermostatDevice(ToonDisplayDeviceEntity, ClimateEntity):
     """Representation of a Toon climate device."""
 
     def __init__(self, toon_client, toon_data: ToonData) -> None:
diff --git a/homeassistant/components/touchline/climate.py b/homeassistant/components/touchline/climate.py
index 984e454ae02b13..218a6a420ffbf8 100644
--- a/homeassistant/components/touchline/climate.py
+++ b/homeassistant/components/touchline/climate.py
@@ -5,7 +5,7 @@
 from pytouchline import PyTouchline
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     SUPPORT_TARGET_TEMPERATURE,
@@ -32,7 +32,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities(devices, True)
 
 
-class Touchline(ClimateDevice):
+class Touchline(ClimateEntity):
     """Representation of a Touchline device."""
 
     def __init__(self, touchline_thermostat):
diff --git a/homeassistant/components/tuya/climate.py b/homeassistant/components/tuya/climate.py
index 8537e61a3ae7bf..fdcd4f0debd144 100644
--- a/homeassistant/components/tuya/climate.py
+++ b/homeassistant/components/tuya/climate.py
@@ -1,5 +1,5 @@
 """Support for the Tuya climate devices."""
-from homeassistant.components.climate import ENTITY_ID_FORMAT, ClimateDevice
+from homeassistant.components.climate import ENTITY_ID_FORMAT, ClimateEntity
 from homeassistant.components.climate.const import (
     FAN_HIGH,
     FAN_LOW,
@@ -46,11 +46,11 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         device = tuya.get_device_by_id(dev_id)
         if device is None:
             continue
-        devices.append(TuyaClimateDevice(device))
+        devices.append(TuyaClimateEntity(device))
     add_entities(devices)
 
 
-class TuyaClimateDevice(TuyaDevice, ClimateDevice):
+class TuyaClimateEntity(TuyaDevice, ClimateEntity):
     """Tuya climate devices,include air conditioner,heater."""
 
     def __init__(self, tuya):
diff --git a/homeassistant/components/velbus/climate.py b/homeassistant/components/velbus/climate.py
index 8810f945ba984f..6ef91d65c91e8b 100644
--- a/homeassistant/components/velbus/climate.py
+++ b/homeassistant/components/velbus/climate.py
@@ -3,7 +3,7 @@
 
 from velbus.util import VelbusException
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     SUPPORT_TARGET_TEMPERATURE,
@@ -27,7 +27,7 @@ async def async_setup_entry(hass, entry, async_add_entities):
     async_add_entities(entities)
 
 
-class VelbusClimate(VelbusEntity, ClimateDevice):
+class VelbusClimate(VelbusEntity, ClimateEntity):
     """Representation of a Velbus thermostat."""
 
     @property
diff --git a/homeassistant/components/venstar/climate.py b/homeassistant/components/venstar/climate.py
index 7de6427b5d8506..261339f70dd43c 100644
--- a/homeassistant/components/venstar/climate.py
+++ b/homeassistant/components/venstar/climate.py
@@ -4,7 +4,7 @@
 from venstarcolortouch import VenstarColorTouch
 import voluptuous as vol
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     ATTR_TARGET_TEMP_HIGH,
@@ -96,7 +96,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities([VenstarThermostat(client, humidifier)], True)
 
 
-class VenstarThermostat(ClimateDevice):
+class VenstarThermostat(ClimateEntity):
     """Representation of a Venstar thermostat."""
 
     def __init__(self, client, humidifier):
diff --git a/homeassistant/components/vera/climate.py b/homeassistant/components/vera/climate.py
index 520c3b516df34f..9b8601e45d193b 100644
--- a/homeassistant/components/vera/climate.py
+++ b/homeassistant/components/vera/climate.py
@@ -5,7 +5,7 @@
 from homeassistant.components.climate import (
     DOMAIN as PLATFORM_DOMAIN,
     ENTITY_ID_FORMAT,
-    ClimateDevice,
+    ClimateEntity,
 )
 from homeassistant.components.climate.const import (
     FAN_AUTO,
@@ -49,7 +49,7 @@ async def async_setup_entry(
     )
 
 
-class VeraThermostat(VeraDevice, ClimateDevice):
+class VeraThermostat(VeraDevice, ClimateEntity):
     """Representation of a Vera Thermostat."""
 
     def __init__(self, vera_device, controller):
diff --git a/homeassistant/components/vicare/climate.py b/homeassistant/components/vicare/climate.py
index 1b101cc7612527..ce88ea8e3e7053 100644
--- a/homeassistant/components/vicare/climate.py
+++ b/homeassistant/components/vicare/climate.py
@@ -3,7 +3,7 @@
 
 import requests
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     CURRENT_HVAC_HEAT,
     CURRENT_HVAC_IDLE,
@@ -97,7 +97,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     )
 
 
-class ViCareClimate(ClimateDevice):
+class ViCareClimate(ClimateEntity):
     """Representation of the ViCare heating climate device."""
 
     def __init__(self, name, api, heating_type):
diff --git a/homeassistant/components/wink/climate.py b/homeassistant/components/wink/climate.py
index 85d477313f164a..28be557c65e4e8 100644
--- a/homeassistant/components/wink/climate.py
+++ b/homeassistant/components/wink/climate.py
@@ -3,7 +3,7 @@
 
 import pywink
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
@@ -80,7 +80,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
             add_entities([WinkAC(climate, hass)])
 
 
-class WinkThermostat(WinkDevice, ClimateDevice):
+class WinkThermostat(WinkDevice, ClimateEntity):
     """Representation of a Wink thermostat."""
 
     @property
@@ -381,7 +381,7 @@ def max_temp(self):
         return return_value
 
 
-class WinkAC(WinkDevice, ClimateDevice):
+class WinkAC(WinkDevice, ClimateEntity):
     """Representation of a Wink air conditioner."""
 
     @property
diff --git a/homeassistant/components/xs1/climate.py b/homeassistant/components/xs1/climate.py
index 19d5ae1e904e96..c57c0857817752 100644
--- a/homeassistant/components/xs1/climate.py
+++ b/homeassistant/components/xs1/climate.py
@@ -3,7 +3,7 @@
 
 from xs1_api_client.api_constants import ActuatorType
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     HVAC_MODE_HEAT,
     SUPPORT_TARGET_TEMPERATURE,
@@ -42,7 +42,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     add_entities(thermostat_entities)
 
 
-class XS1ThermostatEntity(XS1DeviceEntity, ClimateDevice):
+class XS1ThermostatEntity(XS1DeviceEntity, ClimateEntity):
     """Representation of a XS1 thermostat."""
 
     def __init__(self, device, sensor):
diff --git a/homeassistant/components/zhong_hong/climate.py b/homeassistant/components/zhong_hong/climate.py
index 62f5b9acbaff32..fc5a56880278be 100644
--- a/homeassistant/components/zhong_hong/climate.py
+++ b/homeassistant/components/zhong_hong/climate.py
@@ -5,7 +5,7 @@
 from zhong_hong_hvac.hub import ZhongHongGateway
 from zhong_hong_hvac.hvac import HVAC as ZhongHongHVAC
 
-from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateDevice
+from homeassistant.components.climate import PLATFORM_SCHEMA, ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_HVAC_MODE,
     HVAC_MODE_COOL,
@@ -113,7 +113,7 @@ def stop_listen(event):
     hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, stop_listen)
 
 
-class ZhongHongClimate(ClimateDevice):
+class ZhongHongClimate(ClimateEntity):
     """Representation of a ZhongHong controller support HVAC."""
 
     def __init__(self, hub, addr_out, addr_in):
diff --git a/homeassistant/components/zwave/climate.py b/homeassistant/components/zwave/climate.py
index 4ee9b8b9cc9e1e..9c9c1ed6128296 100644
--- a/homeassistant/components/zwave/climate.py
+++ b/homeassistant/components/zwave/climate.py
@@ -3,7 +3,7 @@
 import logging
 from typing import Optional, Tuple
 
-from homeassistant.components.climate import ClimateDevice
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
@@ -149,7 +149,7 @@ def get_device(hass, values, **kwargs):
     return None
 
 
-class ZWaveClimateBase(ZWaveDeviceEntity, ClimateDevice):
+class ZWaveClimateBase(ZWaveDeviceEntity, ClimateEntity):
     """Representation of a Z-Wave Climate device."""
 
     def __init__(self, values, temp_unit):
diff --git a/tests/components/climate/test_init.py b/tests/components/climate/test_init.py
index 4345ecedcf7691..b5ec45d3aa056f 100644
--- a/tests/components/climate/test_init.py
+++ b/tests/components/climate/test_init.py
@@ -10,6 +10,7 @@
     HVAC_MODE_OFF,
     SET_TEMPERATURE_SCHEMA,
     ClimateDevice,
+    ClimateEntity,
 )
 
 from tests.common import async_mock_service
@@ -45,7 +46,7 @@ async def test_set_temp_schema(hass, caplog):
     assert calls[-1].data == data
 
 
-class MockClimateDevice(ClimateDevice):
+class MockClimateEntity(ClimateEntity):
     """Mock Climate device to use in tests."""
 
     @property
@@ -67,7 +68,7 @@ def hvac_modes(self) -> List[str]:
 
 async def test_sync_turn_on(hass):
     """Test if async turn_on calls sync turn_on."""
-    climate = MockClimateDevice()
+    climate = MockClimateEntity()
     climate.hass = hass
 
     climate.turn_on = MagicMock()
@@ -78,10 +79,24 @@ async def test_sync_turn_on(hass):
 
 async def test_sync_turn_off(hass):
     """Test if async turn_off calls sync turn_off."""
-    climate = MockClimateDevice()
+    climate = MockClimateEntity()
     climate.hass = hass
 
     climate.turn_off = MagicMock()
     await climate.async_turn_off()
 
     assert climate.turn_off.called
+
+
+def test_deprecated_base_class(caplog):
+    """Test deprecated base class."""
+
+    class CustomClimate(ClimateDevice):
+        def hvac_mode(self):
+            pass
+
+        def hvac_modes(self):
+            pass
+
+    CustomClimate()
+    assert "ClimateDevice is deprecated, modify CustomClimate" in caplog.text