diff --git a/pkgs/servers/home-assistant/custom-components/mypyllant/package.nix b/pkgs/servers/home-assistant/custom-components/mypyllant/package.nix
new file mode 100644
index 000000000000..e16c0fb998c8
--- /dev/null
+++ b/pkgs/servers/home-assistant/custom-components/mypyllant/package.nix
@@ -0,0 +1,52 @@
+{
+  buildHomeAssistantComponent,
+  fetchFromGitHub,
+  lib,
+
+  # dependencies
+  mypyllant,
+  voluptuous,
+
+  # tests
+  aioresponses,
+  polyfactory,
+  pytest-cov-stub,
+  pytest-homeassistant-custom-component,
+  pytest-xdist,
+  pytestCheckHook,
+}:
+
+buildHomeAssistantComponent rec {
+  owner = "signalkraft";
+  domain = "mypyllant";
+  version = "0.9.9";
+
+  src = fetchFromGitHub {
+    owner = "signalkraft";
+    repo = "mypyllant-component";
+    tag = "v${version}";
+    hash = "sha256-6T8SGAP2535VqZmvSeITpMIa0SBJhnWsOKM1Y66WhHE=";
+  };
+
+  dependencies = [
+    mypyllant
+    voluptuous
+  ];
+
+  nativeCheckInputs = [
+    aioresponses
+    polyfactory
+    pytest-cov-stub
+    pytest-homeassistant-custom-component
+    pytest-xdist
+    pytestCheckHook
+  ];
+
+  meta = {
+    description = "Unofficial Home Assistant integration for interacting with myVAILLANT";
+    changelog = "https://github.com/signalkraft/mypyllant-component/releases/tag/${src.tag}";
+    homepage = "https://github.com/signalkraft/mypyllant-component";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ urbas ];
+  };
+}