Optional Cooling, Cooling And Heating Optional Capacity：9000Btu/h, 12000Btu/h, 18000Btu/h, 22000Btu/h Optional Voltage：220-240/50/1, 115/60/1, 208-230/60/1 Optional Refrigerant: R22, R410A Features： 1)Blue-fin Protec ...Read More