In this three-part session we will look at three major trend affecting Variable Capacity Heat Pump Systems around the world. Cold climate heat pumps have come a long way in the last ten years. We will look at NEEP cold climate heat pump list and the essential issues for good cold climate heat pump design. Also discussion on the new refrigerants, a big step forward for a more sustainale build environmentt, and ecent changes in the HSPF test procedures for heat pumps.
