diff --git a/custom_components/hon/binary_sensor.py b/custom_components/hon/binary_sensor.py
index 4e340d3..ac56888 100644
--- a/custom_components/hon/binary_sensor.py
+++ b/custom_components/hon/binary_sensor.py
@@ -216,6 +216,12 @@ BINARY_SENSORS: dict[str, tuple[HonBinarySensorEntityDescription, ...]] = {
             name="Ch2O Cleaning",
             on_value=1,
         ),
+        HonBinarySensorEntityDescription(
+            key="defrostStatus",
+            name="Defrost Status",
+            icon="mdi:snowflake-melt",
+            on_value=1,
+        ),
     ),
     "REF": (
         HonBinarySensorEntityDescription(