Hybrid heat pump water heater

[pswired]

Check out this post for reasons sense might be underreporting or misreporting HPWH usage:

Heat Pump Water Heater

I’ve been meaning to post about this for a while now. I set up my GE Geospring hybrid / heat pump water heater using dedicated circuit monitoring back when the feature was in beta. The usage pattern clearly showed why the Sense native detection was underreporting usage from the heater. When the heat pump switches on initially, there is a slug of cold water at the bottom of the tank that needs to be heated. This reduces the temperature of the heat pump condenser coils, and therefore the discharge…