Zhenxin new energy air source DC inverter ERP A+++ heat pump water heater with R32 refrigerant and recirculation heating method, high energy efficiency ratio. It is very popular all over the world, especially in Europe and North America. The voltage adaptation capabilities of 220V~240V inverter-1N or 380V~420V inverter-3N, It also has an efficient A+++ energy rating, the energy-saving capabilities up to 70%. We also have Wi-Fi App intelligent control functions and operate normally within the temperature range of -35℃~48℃; Awarded ISO9001, CE, ERP A+++ certificates.