Quote Originally Posted by az city View Post
Yeah I have been surprised at how cheap they are to run. Getting used to planning when you want to draw the energy has been anpther thing. It took me two weeks at Christmas to get the system set up. It also took the house a long time to get warm initially and running the heat pump continually seemed scary at first.
I'm surprised it gets that cold in Phoenix. But then, I've only been there in the summer, when the heat pumps work the other way round.