diff --git a/homeassistant/components/homematic/sensor.py b/homeassistant/components/homematic/sensor.py
index 4525d5a48fc..964ba15cd0a 100644
--- a/homeassistant/components/homematic/sensor.py
+++ b/homeassistant/components/homematic/sensor.py
@@ -67,6 +67,8 @@ HM_UNIT_HA_CAST = {
     "FREQUENCY": FREQUENCY_HERTZ,
     "VALUE": "#",
     "VALVE_STATE": PERCENTAGE,
+    "CARRIER_SENSE_LEVEL": PERCENTAGE,
+    "DUTY_CYCLE_LEVEL": PERCENTAGE,
 }
 
 HM_DEVICE_CLASS_HA_CAST = {