diff --git a/homeassistant/components/moehlenhoff_alpha2/climate.py b/homeassistant/components/moehlenhoff_alpha2/climate.py
index 23a39084f9f..063628d6d32 100644
--- a/homeassistant/components/moehlenhoff_alpha2/climate.py
+++ b/homeassistant/components/moehlenhoff_alpha2/climate.py
@@ -46,6 +46,7 @@ class Alpha2Climate(CoordinatorEntity[Alpha2BaseCoordinator], ClimateEntity):
     _attr_hvac_modes = [HVACMode.HEAT, HVACMode.COOL]
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_preset_modes = [PRESET_AUTO, PRESET_DAY, PRESET_NIGHT]
+    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator: Alpha2BaseCoordinator, heat_area_id: str) -> None:
         """Initialize Alpha2 ClimateEntity."""