diff --git a/pkgs/development/python-modules/msmart-ng/default.nix b/pkgs/development/python-modules/msmart-ng/default.nix
new file mode 100644
index 000000000000..0612e47799d4
--- /dev/null
+++ b/pkgs/development/python-modules/msmart-ng/default.nix
@@ -0,0 +1,60 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+
+  # build-system
+  setuptools,
+  setuptools-scm,
+
+  # dependencies
+  httpx,
+  pycryptodome,
+
+  # tests
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  pname = "msmart-ng";
+  version = "2024.9.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "mill1000";
+    repo = "midea-msmart";
+    rev = version;
+    hash = "sha256-djo+sINurnrt0GO8045bgNstjh+yl+CE2GJ1vWivAqY=";
+  };
+
+  build-system = [
+    setuptools
+    setuptools-scm
+  ];
+
+  dependencies = [
+    httpx
+    pycryptodome
+  ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  disabledTestPaths = [
+    # network access
+    "msmart/tests/test_cloud.py"
+  ];
+
+  pythonImportsCheck = [ "msmart" ];
+
+  meta = with lib; {
+    changelog = "https://github.com/mill1000/midea-msmart/releases/tag/${version}";
+    description = "Python library for local control of Midea (and associated brands) smart air conditioners";
+    homepage = "https://github.com/mill1000/midea-msmart";
+    license = licenses.mit;
+    mainProgram = "msmart-ng";
+    maintainers = with maintainers; [
+      hexa
+      emilylange
+    ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/custom-components/default.nix b/pkgs/servers/home-assistant/custom-components/default.nix
index bd819ad0c36b..426c0320e3fe 100644
--- a/pkgs/servers/home-assistant/custom-components/default.nix
+++ b/pkgs/servers/home-assistant/custom-components/default.nix
@@ -38,6 +38,8 @@
 
   mass = callPackage ./mass { };
 
+  midea_ac = callPackage ./midea_ac { };
+
   midea_ac_lan = callPackage ./midea_ac_lan {};
 
   midea-air-appliances-lan = callPackage ./midea-air-appliances-lan {};
diff --git a/pkgs/servers/home-assistant/custom-components/midea_ac/default.nix b/pkgs/servers/home-assistant/custom-components/midea_ac/default.nix
new file mode 100644
index 000000000000..f188355099f9
--- /dev/null
+++ b/pkgs/servers/home-assistant/custom-components/midea_ac/default.nix
@@ -0,0 +1,31 @@
+{
+  lib,
+  buildHomeAssistantComponent,
+  fetchFromGitHub,
+  msmart-ng,
+}:
+
+buildHomeAssistantComponent rec {
+  owner = "mill1000";
+  domain = "midea_ac";
+  version = "2024.9.2";
+
+  src = fetchFromGitHub {
+    owner = "mill1000";
+    repo = "midea-ac-py";
+    rev = version;
+    hash = "sha256-PVR3yuyWMilmyOS341pS73c9ocOrFfJ9dwiKEYqCtM4=";
+  };
+
+  dependencies = [ msmart-ng ];
+
+  meta = with lib; {
+    description = "Home Assistant custom integration to control Midea (and associated brands) air conditioners via LAN";
+    homepage = "https://github.com/mill1000/midea-ac-py";
+    license = licenses.mit;
+    maintainers = with maintainers; [
+      hexa
+      emilylange
+    ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 704a4b4e87b2..d3037fc0e53f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8165,6 +8165,8 @@ self: super: with self; {
 
   msldap = callPackage ../development/python-modules/msldap { };
 
+  msmart-ng = callPackage ../development/python-modules/msmart-ng { };
+
   msoffcrypto-tool = callPackage ../development/python-modules/msoffcrypto-tool { };
 
   msprime = callPackage ../development/python-modules/msprime { };