Withair® DC Inverter Heat Pump & Water Chiller System can work at -30℃ climate in winter, supply hot water up to 55℃ for heating room, and supply 5~7℃ cooling water for air conditioning.the unit connect fan coil unit, floor heating pipe to achieve cooling in Summer and heating in Winter. We carry a wide variety of Inverter Heat Pump & Chiller systems in several types and sizes from our Heat Pump and Chiller models, to our Cooling-Only models. We carry Inverter Heat Pump systems in a wide range capacity(single unit capacity: 8kW ~ 80kW).