diff --git a/homeassistant/components/moehlenhoff_alpha2/binary_sensor.py b/homeassistant/components/moehlenhoff_alpha2/binary_sensor.py
index 8acc88d8314..5cdca72fa55 100644
--- a/homeassistant/components/moehlenhoff_alpha2/binary_sensor.py
+++ b/homeassistant/components/moehlenhoff_alpha2/binary_sensor.py
@@ -27,6 +27,7 @@ async def async_setup_entry(
         Alpha2IODeviceBatterySensor(coordinator, io_device_id)
         for io_device_id, io_device in coordinator.data["io_devices"].items()
         if io_device["_HEATAREA_ID"]
+        and io_device["_HEATAREA_ID"] in coordinator.data["heat_areas"]
     )
 
 
diff --git a/homeassistant/components/moehlenhoff_alpha2/sensor.py b/homeassistant/components/moehlenhoff_alpha2/sensor.py
index e41c6b041f6..2c2e44f451d 100644
--- a/homeassistant/components/moehlenhoff_alpha2/sensor.py
+++ b/homeassistant/components/moehlenhoff_alpha2/sensor.py
@@ -25,7 +25,7 @@ async def async_setup_entry(
         Alpha2HeatControlValveOpeningSensor(coordinator, heat_control_id)
         for heat_control_id, heat_control in coordinator.data["heat_controls"].items()
         if heat_control["INUSE"]
-        and heat_control["_HEATAREA_ID"]
+        and heat_control["_HEATAREA_ID"] in coordinator.data["heat_areas"]
         and heat_control.get("ACTOR_PERCENT") is not None
     )