Ground Source Heat Pump for cold area 1. -25 DC low temp. use 2.multifunction, cool,heat 3. 4.5 COP, R410a 4. CE ... of various public places. 2.five modesCooling, heating, hot water ,cooling and hot water,heating and hot water. 3.High efficiency and energy ... °C~45°C. 2012 MACON 16Kw DC inverter ground source heat pump,DC inverter geothermal cooling heating hot water Heat Pump