diff --git a/homeassistant/components/radiotherm/climate.py b/homeassistant/components/radiotherm/climate.py
index f5ea14e8f4e..4ab57fd6821 100644
--- a/homeassistant/components/radiotherm/climate.py
+++ b/homeassistant/components/radiotherm/climate.py
@@ -106,6 +106,7 @@ class RadioThermostat(RadioThermostatEntity, ClimateEntity):
     _attr_temperature_unit = UnitOfTemperature.FAHRENHEIT
     _attr_precision = PRECISION_HALVES
     _attr_name = None
+    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator: RadioThermUpdateCoordinator) -> None:
         """Initialize the thermostat."""
@@ -113,7 +114,10 @@ class RadioThermostat(RadioThermostatEntity, ClimateEntity):
         self._attr_unique_id = self.init_data.mac
         self._attr_fan_modes = CT30_FAN_OPERATION_LIST
         self._attr_supported_features = (
-            ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.FAN_MODE
+            ClimateEntityFeature.TARGET_TEMPERATURE
+            | ClimateEntityFeature.FAN_MODE
+            | ClimateEntityFeature.TURN_OFF
+            | ClimateEntityFeature.TURN_ON
         )
         if not isinstance(self.device, radiotherm.thermostat.CT80):
             return