diff --git a/homeassistant/components/overkiz/climate_entities/hitachi_air_to_air_heat_pump_ovp.py b/homeassistant/components/overkiz/climate_entities/hitachi_air_to_air_heat_pump_ovp.py
index c1792a8e050..86cde4fc4db 100644
--- a/homeassistant/components/overkiz/climate_entities/hitachi_air_to_air_heat_pump_ovp.py
+++ b/homeassistant/components/overkiz/climate_entities/hitachi_air_to_air_heat_pump_ovp.py
@@ -95,6 +95,7 @@ class HitachiAirToAirHeatPumpOVP(OverkizEntity, ClimateEntity):
     _attr_target_temperature_step = 1.0
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_translation_key = DOMAIN
+    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self, device_url: str, coordinator: OverkizDataUpdateCoordinator
@@ -106,6 +107,8 @@ class HitachiAirToAirHeatPumpOVP(OverkizEntity, ClimateEntity):
             ClimateEntityFeature.TARGET_TEMPERATURE
             | ClimateEntityFeature.FAN_MODE
             | ClimateEntityFeature.PRESET_MODE
+            | ClimateEntityFeature.TURN_OFF
+            | ClimateEntityFeature.TURN_ON
         )
 
         if self.device.states.get(OverkizState.OVP_SWING):