1.Power: AC/220V/50Hz 2.Wind volume: 500m3/h 3.Static pressure: 80Pa 4.Heat exchange efficiency: 71-78% 5.Rated power: 280W Energy Recover Ventilator. The venting of air conditioner and the new air coming into the room should first enter into this equipment. The venting air and new air do the heat exchanger. Use the energy of venting to pretreat the new air. In summer and winter, the new air can ...