diff --git a/2configs/home/ham/automation/fenster_auf.nix b/2configs/home/ham/automation/fenster_auf.nix
new file mode 100644
index 0000000..ccebd5b
--- /dev/null
+++ b/2configs/home/ham/automation/fenster_auf.nix
@@ -0,0 +1,33 @@
+let
+  min = 20;
+  fenster_offen = name: entity:
+    { alias = "${name} seit ${toString min} Minuten offen";
+      trigger = [
+          {
+            platform = "state";
+            entity_id = entity;
+            to = "on";
+            for.minutes = min;
+          }
+      ];
+      action =
+      [
+        {
+          service = "notify.firetv_wohnzimmer";
+          data = {
+            title = "${name} seit ${toString min} Minuten offen";
+            message = "Bitte einmal checken ob das ok ist :)";
+            data = {
+              interrupt = 1;
+              duration = 300;
+            };
+          };
+        }
+      ];
+    };
+in {
+  services.home-assistant.config.automation = [
+    (fenster_offen "Badezimmerfenster" "binary_sensor.badezimmer_fenster_contact")
+    (fenster_offen "Duschfenster" "binary_sensor.dusche_fenster_contact")
+  ];
+}