diff --git a/homeassistant/components/flexit_bacnet/climate.py b/homeassistant/components/flexit_bacnet/climate.py
index 7740bed73e1..0d8a381a014 100644
--- a/homeassistant/components/flexit_bacnet/climate.py
+++ b/homeassistant/components/flexit_bacnet/climate.py
@@ -62,13 +62,17 @@ class FlexitClimateEntity(FlexitEntity, ClimateEntity):
     ]
 
     _attr_supported_features = (
-        ClimateEntityFeature.PRESET_MODE | ClimateEntityFeature.TARGET_TEMPERATURE
+        ClimateEntityFeature.PRESET_MODE
+        | ClimateEntityFeature.TARGET_TEMPERATURE
+        | ClimateEntityFeature.TURN_OFF
+        | ClimateEntityFeature.TURN_ON
     )
 
     _attr_target_temperature_step = PRECISION_HALVES
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_max_temp = MAX_TEMP
     _attr_min_temp = MIN_TEMP
+    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator: FlexitCoordinator) -> None:
         """Initialize the Flexit unit."""