diff --git a/pkgs/development/python-modules/aioairctrl/default.nix b/pkgs/development/python-modules/aioairctrl/default.nix
new file mode 100644
index 0000000000000..4a1de2c77dfba
--- /dev/null
+++ b/pkgs/development/python-modules/aioairctrl/default.nix
@@ -0,0 +1,41 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  setuptools,
+  wheel,
+  aiocoap,
+  pycryptodomex,
+}:
+
+buildPythonPackage rec {
+  pname = "aioairctrl";
+  version = "0.2.5";
+  pyproject = true;
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-BPUV79S2A0F6vZA2pd3XNLpmRHTp6RSoNXPcI+OJRbk=";
+  };
+
+  build-system = [
+    setuptools
+    wheel
+  ];
+
+  dependencies = [
+    aiocoap
+    pycryptodomex
+  ];
+
+  pythonImportsCheck = [ "aioairctrl" ];
+
+  doCheck = false; # no tests
+
+  meta = {
+    description = "Library for controlling Philips air purifiers (using encrypted CoAP)";
+    homepage = "https://github.com/kongo09/aioairctrl";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ justinas ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/custom-components/philips_airpurifier_coap/package.nix b/pkgs/servers/home-assistant/custom-components/philips_airpurifier_coap/package.nix
new file mode 100644
index 0000000000000..8681adeccc3e2
--- /dev/null
+++ b/pkgs/servers/home-assistant/custom-components/philips_airpurifier_coap/package.nix
@@ -0,0 +1,37 @@
+{
+  lib,
+  buildHomeAssistantComponent,
+  fetchFromGitHub,
+
+  aioairctrl,
+  getmac,
+}:
+
+buildHomeAssistantComponent rec {
+  owner = "kongo09";
+  domain = "philips_airpurifier_coap";
+  version = "0.28.0";
+
+  src = fetchFromGitHub {
+    inherit owner;
+    repo = "philips-airpurifier-coap";
+    rev = "v${version}";
+    hash = "sha256-yoaph/R3c4j+sXEC02Hv+ixtuif70/y6Gag5NBpKFLs=";
+  };
+
+  postPatch = ''
+    substituteInPlace custom_components/philips_airpurifier_coap/manifest.json --replace-fail 'getmac==0.9.4' 'getmac>=0.9.4'
+  '';
+
+  dependencies = [
+    aioairctrl
+    getmac
+  ];
+
+  meta = {
+    description = "Philips AirPurifier custom component for Home Assistant";
+    homepage = "https://github.com/kongo09/philips-airpurifier-coap";
+    license = lib.licenses.unfree; # See https://github.com/kongo09/philips-airpurifier-coap/issues/209
+    maintainers = with lib.maintainers; [ justinas ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 19a640eaf5ef6..359eb578f7b32 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -153,6 +153,8 @@ self: super: with self; {
 
   aio-pika = callPackage ../development/python-modules/aio-pika { };
 
+  aioairctrl = callPackage ../development/python-modules/aioairctrl { };
+
   aioacaia = callPackage ../development/python-modules/aioacaia { };
 
   aioairzone = callPackage ../development/python-modules/aioairzone { };