VTCOOL inverter air to water house heating heat pump takes split type design which can sure the hydraulic components cannot be frozen during the winter time for house heating and cooling with inverter technology. With the adaption of R410A DC inverter technology, VTCOOL split type inverter air to water house heating heat pump units can adjust the output capacity automatically and control the room temperature accurately. The intelligent control system of inverter air to water heat pump means everyone in the family can control the unit. Thanks to the split design, the units are cost effective, space saving and quiet to run outside. All of these features work together to give you a more comfortable home.