diff --git a/homeassistant/components/eurotronic_cometblue/__init__.py b/homeassistant/components/eurotronic_cometblue/__init__.py
index dd4e8d35741849..c26c0ba4a74db8 100644
--- a/homeassistant/components/eurotronic_cometblue/__init__.py
+++ b/homeassistant/components/eurotronic_cometblue/__init__.py
@@ -18,6 +18,7 @@
 PLATFORMS: list[Platform] = [
     Platform.BUTTON,
     Platform.CLIMATE,
+    Platform.NUMBER,
     Platform.SENSOR,
 ]
 
diff --git a/homeassistant/components/eurotronic_cometblue/icons.json b/homeassistant/components/eurotronic_cometblue/icons.json
index ce5f503321444f..5b418f4b2dbff9 100644
--- a/homeassistant/components/eurotronic_cometblue/icons.json
+++ b/homeassistant/components/eurotronic_cometblue/icons.json
@@ -4,6 +4,17 @@
       "sync_time": {
         "default": "mdi:calendar-clock"
       }
+    },
+    "number": {
+      "comfort_setpoint": {
+        "default": "mdi:thermometer-chevron-up"
+      },
+      "eco_setpoint": {
+        "default": "mdi:thermometer-chevron-down"
+      },
+      "offset": {
+        "default": "mdi:thermometer-check"
+      }
     }
   }
 }
diff --git a/homeassistant/components/eurotronic_cometblue/number.py b/homeassistant/components/eurotronic_cometblue/number.py
new file mode 100644
index 00000000000000..45aa5b468ffb18
--- /dev/null
+++ b/homeassistant/components/eurotronic_cometblue/number.py
@@ -0,0 +1,136 @@
+"""Comet Blue number integration."""
+
+from __future__ import annotations
+
+from collections.abc import Callable
+from dataclasses import dataclass
+from typing import Any
+
+from eurotronic_cometblue_ha import AsyncCometBlue
+
+from homeassistant.components.number import (
+    NumberDeviceClass,
+    NumberEntity,
+    NumberEntityDescription,
+)
+from homeassistant.const import PRECISION_HALVES, EntityCategory, UnitOfTemperature
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from .climate import MAX_TEMP, MIN_TEMP
+from .coordinator import CometBlueConfigEntry, CometBlueDataUpdateCoordinator
+from .entity import CometBlueBluetoothEntity
+
+PARALLEL_UPDATES = 1
+
+
+@dataclass(frozen=True, kw_only=True)
+class CometBlueRequiredKeysMixin:
+    """Mixin for required keys."""
+
+    cometblue_key: str
+    set_fn: Callable[[AsyncCometBlue], Any]
+
+
+@dataclass(frozen=True, kw_only=True)
+class CometBlueNumberEntityDescription(
+    NumberEntityDescription, CometBlueRequiredKeysMixin
+):
+    """Describes a Comet Blue number entity."""
+
+
+DESCRIPTIONS = [
+    CometBlueNumberEntityDescription(
+        key="offset",
+        cometblue_key="tempOffset",
+        translation_key="offset",
+        device_class=NumberDeviceClass.TEMPERATURE,
+        entity_category=EntityCategory.CONFIG,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        set_fn=lambda x: x.set_temperature_async,
+        native_min_value=-5.0,
+        native_max_value=5.0,
+        native_step=PRECISION_HALVES,
+        entity_registry_enabled_default=False,
+    ),
+    CometBlueNumberEntityDescription(
+        key="eco_setpoint",
+        cometblue_key="targetTempLow",
+        translation_key="eco_setpoint",
+        device_class=NumberDeviceClass.TEMPERATURE,
+        entity_category=EntityCategory.CONFIG,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        set_fn=lambda x: x.set_temperature_async,
+        native_min_value=MIN_TEMP,
+        native_max_value=MAX_TEMP,
+        native_step=PRECISION_HALVES,
+        entity_registry_enabled_default=True,
+    ),
+    CometBlueNumberEntityDescription(
+        key="comfort_setpoint",
+        cometblue_key="targetTempHigh",
+        translation_key="comfort_setpoint",
+        device_class=NumberDeviceClass.TEMPERATURE,
+        entity_category=EntityCategory.CONFIG,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+        set_fn=lambda x: x.set_temperature_async,
+        native_min_value=MIN_TEMP,
+        native_max_value=MAX_TEMP,
+        native_step=PRECISION_HALVES,
+        entity_registry_enabled_default=True,
+    ),
+]
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: CometBlueConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the client entities."""
+
+    coordinator = entry.runtime_data
+    entities: list[CometBlueNumberEntity] = [
+        CometBlueNumberEntity(coordinator, description) for description in DESCRIPTIONS
+    ]
+
+    async_add_entities(entities)
+
+
+class CometBlueNumberEntity(CometBlueBluetoothEntity, NumberEntity):
+    """Representation of a number."""
+
+    entity_description: CometBlueNumberEntityDescription
+
+    def __init__(
+        self,
+        coordinator: CometBlueDataUpdateCoordinator,
+        description: CometBlueNumberEntityDescription,
+    ) -> None:
+        """Initialize CometBlueNumberEntity."""
+
+        super().__init__(coordinator)
+        self.entity_description = description
+        self._attr_unique_id = f"{coordinator.address}-{description.key}"
+
+    @property
+    def native_value(self) -> float | None:
+        """Return the entity value to represent the entity state."""
+        return self.coordinator.data.temperatures.get(
+            self.entity_description.cometblue_key
+        )
+
+    async def async_set_native_value(self, value: float) -> None:
+        """Update to the device."""
+
+        await self.coordinator.send_command(
+            self.entity_description.set_fn(self.coordinator.device),
+            {
+                "values": {
+                    # manual temperature always needs to be set, otherwise TRV will turn OFF
+                    "manualTemp": self.coordinator.data.temperatures["manualTemp"],
+                    self.entity_description.cometblue_key: value,
+                }
+            },
+        )
+        await self.coordinator.async_request_refresh()
diff --git a/homeassistant/components/eurotronic_cometblue/strings.json b/homeassistant/components/eurotronic_cometblue/strings.json
index e69f84a6776809..9722914a088b6d 100644
--- a/homeassistant/components/eurotronic_cometblue/strings.json
+++ b/homeassistant/components/eurotronic_cometblue/strings.json
@@ -35,6 +35,17 @@
       "sync_time": {
         "name": "Sync time"
       }
+    },
+    "number": {
+      "comfort_setpoint": {
+        "name": "Comfort setpoint"
+      },
+      "eco_setpoint": {
+        "name": "Eco setpoint"
+      },
+      "offset": {
+        "name": "Setpoint offset"
+      }
     }
   }
 }
diff --git a/tests/components/eurotronic_cometblue/snapshots/test_number.ambr b/tests/components/eurotronic_cometblue/snapshots/test_number.ambr
new file mode 100644
index 00000000000000..a41636fa7ae92e
--- /dev/null
+++ b/tests/components/eurotronic_cometblue/snapshots/test_number.ambr
@@ -0,0 +1,184 @@
+# serializer version: 1
+# name: test_number_state[number.comet_blue_aa_bb_cc_dd_ee_ff_comfort_setpoint-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': list([
+      None,
+    ]),
+    'area_id': None,
+    'capabilities': dict({
+      'max': 28.5,
+      'min': 7.5,
+      'mode': <NumberMode.AUTO: 'auto'>,
+      'step': 0.5,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'number',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'number.comet_blue_aa_bb_cc_dd_ee_ff_comfort_setpoint',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': 'Comfort setpoint',
+    'options': dict({
+    }),
+    'original_device_class': <NumberDeviceClass.TEMPERATURE: 'temperature'>,
+    'original_icon': None,
+    'original_name': 'Comfort setpoint',
+    'platform': 'eurotronic_cometblue',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'comfort_setpoint',
+    'unique_id': 'aa:bb:cc:dd:ee:ff-comfort_setpoint',
+    'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+  })
+# ---
+# name: test_number_state[number.comet_blue_aa_bb_cc_dd_ee_ff_comfort_setpoint-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'temperature',
+      'friendly_name': 'Comet Blue aa:bb:cc:dd:ee:ff Comfort setpoint',
+      'max': 28.5,
+      'min': 7.5,
+      'mode': <NumberMode.AUTO: 'auto'>,
+      'step': 0.5,
+      'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'number.comet_blue_aa_bb_cc_dd_ee_ff_comfort_setpoint',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '21.0',
+  })
+# ---
+# name: test_number_state[number.comet_blue_aa_bb_cc_dd_ee_ff_eco_setpoint-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': list([
+      None,
+    ]),
+    'area_id': None,
+    'capabilities': dict({
+      'max': 28.5,
+      'min': 7.5,
+      'mode': <NumberMode.AUTO: 'auto'>,
+      'step': 0.5,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'number',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'number.comet_blue_aa_bb_cc_dd_ee_ff_eco_setpoint',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': 'Eco setpoint',
+    'options': dict({
+    }),
+    'original_device_class': <NumberDeviceClass.TEMPERATURE: 'temperature'>,
+    'original_icon': None,
+    'original_name': 'Eco setpoint',
+    'platform': 'eurotronic_cometblue',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'eco_setpoint',
+    'unique_id': 'aa:bb:cc:dd:ee:ff-eco_setpoint',
+    'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+  })
+# ---
+# name: test_number_state[number.comet_blue_aa_bb_cc_dd_ee_ff_eco_setpoint-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'temperature',
+      'friendly_name': 'Comet Blue aa:bb:cc:dd:ee:ff Eco setpoint',
+      'max': 28.5,
+      'min': 7.5,
+      'mode': <NumberMode.AUTO: 'auto'>,
+      'step': 0.5,
+      'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'number.comet_blue_aa_bb_cc_dd_ee_ff_eco_setpoint',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '17.0',
+  })
+# ---
+# name: test_number_state[number.comet_blue_aa_bb_cc_dd_ee_ff_setpoint_offset-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': list([
+      None,
+    ]),
+    'area_id': None,
+    'capabilities': dict({
+      'max': 5.0,
+      'min': -5.0,
+      'mode': <NumberMode.AUTO: 'auto'>,
+      'step': 0.5,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'number',
+    'entity_category': <EntityCategory.CONFIG: 'config'>,
+    'entity_id': 'number.comet_blue_aa_bb_cc_dd_ee_ff_setpoint_offset',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': 'Setpoint offset',
+    'options': dict({
+    }),
+    'original_device_class': <NumberDeviceClass.TEMPERATURE: 'temperature'>,
+    'original_icon': None,
+    'original_name': 'Setpoint offset',
+    'platform': 'eurotronic_cometblue',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'offset',
+    'unique_id': 'aa:bb:cc:dd:ee:ff-offset',
+    'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+  })
+# ---
+# name: test_number_state[number.comet_blue_aa_bb_cc_dd_ee_ff_setpoint_offset-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'temperature',
+      'friendly_name': 'Comet Blue aa:bb:cc:dd:ee:ff Setpoint offset',
+      'max': 5.0,
+      'min': -5.0,
+      'mode': <NumberMode.AUTO: 'auto'>,
+      'step': 0.5,
+      'unit_of_measurement': <UnitOfTemperature.CELSIUS: '°C'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'number.comet_blue_aa_bb_cc_dd_ee_ff_setpoint_offset',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '0.0',
+  })
+# ---
diff --git a/tests/components/eurotronic_cometblue/test_number.py b/tests/components/eurotronic_cometblue/test_number.py
new file mode 100644
index 00000000000000..e7804b094439a4
--- /dev/null
+++ b/tests/components/eurotronic_cometblue/test_number.py
@@ -0,0 +1,93 @@
+"""Test the eurotronic_cometblue number platform."""
+
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.number import (
+    ATTR_VALUE,
+    DOMAIN as NUMBER_DOMAIN,
+    SERVICE_SET_VALUE,
+)
+from homeassistant.const import ATTR_ENTITY_ID, Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from . import FIXTURE_MAC
+from .conftest import setup_with_selected_platforms
+
+from tests.common import MockConfigEntry, snapshot_platform
+
+
+def _number_entity_id(entity_registry: er.EntityRegistry, key: str) -> str:
+    """Resolve a number entity id by unique id."""
+    unique_id = f"{FIXTURE_MAC}-{key}"
+    entity_id = entity_registry.async_get_entity_id(
+        "number", "eurotronic_cometblue", unique_id
+    )
+    assert entity_id is not None
+    return entity_id
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default")
+async def test_number_state(
+    hass: HomeAssistant,
+    entity_registry: er.EntityRegistry,
+    snapshot: SnapshotAssertion,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test number entity state and registry data."""
+    await setup_with_selected_platforms(hass, mock_config_entry, [Platform.NUMBER])
+
+    await snapshot_platform(hass, entity_registry, snapshot, mock_config_entry.entry_id)
+
+
+async def test_number_disabled_by_default_entities(
+    hass: HomeAssistant,
+    entity_registry: er.EntityRegistry,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test disabled-by-default number entities are not available."""
+    await setup_with_selected_platforms(hass, mock_config_entry, [Platform.NUMBER])
+
+    entity_id = _number_entity_id(entity_registry, "offset")
+
+    assert (entry := entity_registry.async_get(entity_id))
+    assert entry.disabled_by is not None
+    assert hass.states.get(entity_id) is None
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default")
+@pytest.mark.parametrize(
+    ("entity_id", "value", "default_value"),
+    [
+        ("number.comet_blue_aa_bb_cc_dd_ee_ff_eco_setpoint", 18.5, 17.0),
+        ("number.comet_blue_aa_bb_cc_dd_ee_ff_comfort_setpoint", 23.0, 21.0),
+        ("number.comet_blue_aa_bb_cc_dd_ee_ff_setpoint_offset", -1.5, 0.0),
+    ],
+)
+async def test_set_number_value(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    entity_id: str,
+    value: float,
+    default_value: float,
+) -> None:
+    """Test setting writable number entities."""
+    await setup_with_selected_platforms(hass, mock_config_entry, [Platform.NUMBER])
+
+    # check the default values
+    assert (state := hass.states.get(entity_id))
+    assert float(state.state) == default_value
+
+    await hass.services.async_call(
+        NUMBER_DOMAIN,
+        SERVICE_SET_VALUE,
+        {
+            ATTR_ENTITY_ID: entity_id,
+            ATTR_VALUE: value,
+        },
+        blocking=True,
+    )
+
+    assert (state := hass.states.get(entity_id))
+    assert float(state.state) == value