Easylife Series DC Inverter EVI Heat Pumps is a multifuntional unit of heating, cooling and DHW. It creatively combines environmentally friendly R32 refrigerant with extremely cost-effective EVI full frequency conversion technology, especially the A+++ ERP energy label, which can operate stably in extremely cold areas of -30°C. The color LCD control panel, free wifi function, and +/-0.1°C precise temperature control bring the ultimate smart home experience to users.