diff --git a/homeassistant/components/comfoconnect/sensor.py b/homeassistant/components/comfoconnect/sensor.py
index 8b34fe1fd72..d1003d59229 100644
--- a/homeassistant/components/comfoconnect/sensor.py
+++ b/homeassistant/components/comfoconnect/sensor.py
@@ -15,6 +15,7 @@ from pycomfoconnect import (
     SENSOR_HUMIDITY_OUTDOOR,
     SENSOR_HUMIDITY_SUPPLY,
     SENSOR_POWER_CURRENT,
+    SENSOR_PREHEATER_POWER_CURRENT,
     SENSOR_TEMPERATURE_EXHAUST,
     SENSOR_TEMPERATURE_EXTRACT,
     SENSOR_TEMPERATURE_OUTDOOR,
@@ -54,6 +55,7 @@ ATTR_EXHAUST_TEMPERATURE = "exhaust_temperature"
 ATTR_OUTSIDE_HUMIDITY = "outside_humidity"
 ATTR_OUTSIDE_TEMPERATURE = "outside_temperature"
 ATTR_POWER_CURRENT = "power_usage"
+ATTR_PREHEATER_POWER_CURRENT = "preheater_power_usage"
 ATTR_SUPPLY_FAN_DUTY = "supply_fan_duty"
 ATTR_SUPPLY_FAN_SPEED = "supply_fan_speed"
 ATTR_SUPPLY_HUMIDITY = "supply_humidity"
@@ -191,6 +193,13 @@ SENSOR_TYPES = {
         ATTR_ICON: "mdi:flash",
         ATTR_ID: SENSOR_POWER_CURRENT,
     },
+    ATTR_PREHEATER_POWER_CURRENT: {
+        ATTR_DEVICE_CLASS: DEVICE_CLASS_POWER,
+        ATTR_LABEL: "Preheater power usage",
+        ATTR_UNIT: POWER_WATT,
+        ATTR_ICON: None,
+        ATTR_ID: SENSOR_PREHEATER_POWER_CURRENT,
+    },
 }
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(