A heat pump works like air conditioning in reverse. In fact, in the summer the heat pump operates in reverse to give you central air conditioning.
You get an energy efficient heating system as well as an energy efficient cooling system all in one.
I would not build a new home or replace an old heating system with anything but a heat pump, unless I lived in an extremely frigid climate.
The only real complaint I ever received was ...continued
Stay warm...stay cool!
Carl Heldmann