diff --git a/homeassistant/components/comelit/climate.py b/homeassistant/components/comelit/climate.py
index 2c2d31514a5..877afd1414e 100644
--- a/homeassistant/components/comelit/climate.py
+++ b/homeassistant/components/comelit/climate.py
@@ -91,11 +91,16 @@ class ComelitClimateEntity(CoordinatorEntity[ComelitSerialBridge], ClimateEntity
     _attr_hvac_modes = [HVACMode.AUTO, HVACMode.COOL, HVACMode.HEAT, HVACMode.OFF]
     _attr_max_temp = 30
     _attr_min_temp = 5
-    _attr_supported_features = ClimateEntityFeature.TARGET_TEMPERATURE
+    _attr_supported_features = (
+        ClimateEntityFeature.TARGET_TEMPERATURE
+        | ClimateEntityFeature.TURN_OFF
+        | ClimateEntityFeature.TURN_ON
+    )
     _attr_target_temperature_step = PRECISION_TENTHS
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_has_entity_name = True
     _attr_name = None
+    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,