diff --git a/source/_integrations/comfoconnect.markdown b/source/_integrations/comfoconnect.markdown
index 85d74f8016b..cc64779139c 100644
--- a/source/_integrations/comfoconnect.markdown
+++ b/source/_integrations/comfoconnect.markdown
@@ -73,6 +73,7 @@ sensor:
       - outside_humidity
       - outside_temperature
       - power_usage
+      - preheater_power_usage
       - supply_fan_duty
       - supply_fan_speed
       - supply_humidity