Air source heat pump Good performance, reliable Easy installation, long life, high COP value Competitive price... CE,3C Air source heat pumpSpecifications Heating capacity ... DN32mmNet weight: 146kgMeasurement: 820X690X1080mmFeatures:Widely used, such as commercial building, hotel, hopital, school, workshop, super market and ... temperature adaptabilityRefrigerant: R22/R417A/134A Air source heat pump