Add new climate feature flags to venstar (#109436)

homeassistant/components/venstar/climate.py

@@ -108,6 +108,7 @@ class VenstarThermostat(VenstarEntity, ClimateEntity):
     _attr_hvac_modes = [HVACMode.HEAT, HVACMode.COOL, HVACMode.OFF, HVACMode.AUTO]
     _attr_precision = PRECISION_HALVES
     _attr_name = None
+    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,
@@ -130,6 +131,8 @@ class VenstarThermostat(VenstarEntity, ClimateEntity):
             ClimateEntityFeature.TARGET_TEMPERATURE
             | ClimateEntityFeature.FAN_MODE
             | ClimateEntityFeature.PRESET_MODE
+            | ClimateEntityFeature.TURN_OFF
+            | ClimateEntityFeature.TURN_ON
         )
 
         if self._client.mode == self._client.MODE_AUTO: