diff --git a/pkgs/development/python-modules/moehlenhoff-alpha2/default.nix b/pkgs/development/python-modules/moehlenhoff-alpha2/default.nix
new file mode 100644
index 000000000000..5fca6510acb4
--- /dev/null
+++ b/pkgs/development/python-modules/moehlenhoff-alpha2/default.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  aiohttp,
+  xmltodict,
+  pytestCheckHook,
+  pytest-asyncio,
+}:
+
+buildPythonPackage rec {
+  pname = "moehlenhoff-alpha2";
+  version = "1.4.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "j-a-n";
+    repo = "python-moehlenhoff-alpha2";
+    tag = version;
+    hash = "sha256-bvT7kWFPIEQUgUxLGydd2e7SBA7vPV+YAzDqYLE7X+o=";
+  };
+
+  build-system = [
+    setuptools
+  ];
+
+  dependencies = [
+    aiohttp
+    xmltodict
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+    pytest-asyncio
+  ];
+
+  pythonImportsCheck = [
+    "moehlenhoff_alpha2"
+  ];
+
+  meta = {
+    description = "Python client for the Moehlenhoff Alpha2 underfloor heating system";
+    homepage = "https://github.com/j-a-n/python-moehlenhoff-alpha2";
+    changelog = "https://github.com/j-a-n/python-moehlenhoff-alpha2/releases/tag/${version}";
+    license = lib.licenses.gpl3Only;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index d3245ce4a391..fcb31858a7ee 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -3693,7 +3693,8 @@
       ];
     "moehlenhoff_alpha2" =
       ps: with ps; [
-      ]; # missing inputs: moehlenhoff-alpha2
+        moehlenhoff-alpha2
+      ];
     "mold_indicator" =
       ps: with ps; [
       ];
@@ -7359,6 +7360,7 @@
     "modbus"
     "modem_callerid"
     "modern_forms"
+    "moehlenhoff_alpha2"
     "mold_indicator"
     "monarch_money"
     "monoprice"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8db987a86b67..4e9f5f12e5c3 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9443,6 +9443,8 @@ self: super: with self; {
 
   moderngl-window = callPackage ../development/python-modules/moderngl-window { };
 
+  moehlenhoff-alpha2 = callPackage ../development/python-modules/moehlenhoff-alpha2 { };
+
   mohawk = callPackage ../development/python-modules/mohawk { };
 
   molbar = callPackage ../development/python-modules/molbar { };