True on the expensive side but better then burning oil. The going cost is about 4-5k in New England for a Mitsubishi or Fujitsui installed. These were invented in Japan where the market demands reliability and efficiency and they definitely deliver on that.
I have been warm all day by not creating heat but pumping it in from outside. The technology is certainly intriguing and when you have a unit your like how is this thing pumping out crazy heat right now...