diff --git a/pkgs/development/python-modules/py-aosmith/default.nix b/pkgs/development/python-modules/py-aosmith/default.nix
new file mode 100644
index 000000000000..28faca5e96fb
--- /dev/null
+++ b/pkgs/development/python-modules/py-aosmith/default.nix
@@ -0,0 +1,42 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchFromGitHub
+, poetry-core
+, aiohttp
+}:
+
+buildPythonPackage rec {
+  pname = "py-aosmith";
+  version = "1.0.6";
+  pyproject = true;
+
+  disabled = pythonOlder "3.10";
+
+  src = fetchFromGitHub {
+    owner = "bdr99";
+    repo = "py-aosmith";
+    rev = "refs/tags/${version}";
+    hash = "sha256-4KODe+urqYMbN0+tNwQnvO3A9Zc/Xdo4uhJErn3BYS4=";
+  };
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = [
+    aiohttp
+  ];
+
+  pythonImportsCheck = [ "py_aosmith" ];
+
+  # upstream has no tests
+  doCheck = false;
+
+  meta = {
+    description = "Python client library for A. O. Smith water heaters";
+    homepage = "https://github.com/bdr99/py-aosmith";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 3375151ae042..f5b8ab19c446 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -183,7 +183,8 @@
     "anwb_energie" = ps: with ps; [
     ];
     "aosmith" = ps: with ps; [
-    ]; # missing inputs: py-aosmith
+      py-aosmith
+    ];
     "apache_kafka" = ps: with ps; [
       aiokafka
     ];
@@ -5752,6 +5753,7 @@
     "androidtv_remote"
     "anova"
     "anthemav"
+    "aosmith"
     "apache_kafka"
     "apcupsd"
     "api"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ff27104128fb..de8c6853d8b0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8572,6 +8572,8 @@ self: super: with self; {
 
   python-youtube = callPackage ../development/python-modules/python-youtube { };
 
+  py-aosmith = callPackage ../development/python-modules/py-aosmith { };
+
   py-deprecate = callPackage ../development/python-modules/py-deprecate { };
 
   py-ecc = callPackage ../development/python-modules/py-ecc { };