diff --git a/homeassistant/components/toon/climate.py b/homeassistant/components/toon/climate.py
index cc51bb03fec..16fbdbdd356 100644
--- a/homeassistant/components/toon/climate.py
+++ b/homeassistant/components/toon/climate.py
@@ -51,6 +51,7 @@ class ToonThermostatDevice(ToonDisplayDeviceEntity, ClimateEntity):
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
+    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,