- Brand:Â DucaneBase Unit of Measure:Â UNCooling Capacity:Â 3.0 Ton CoolingEfficiency:Â 92.0 AFUEGross Weight:Â 133Heating Capacity:Â 66,000 BtuhHeight:Â 35Length:Â 20.5Manufacturer Name:Â Allied Air EnterprisesVoltage:Â 120V 1ph 60 HzVolume:Â 0.36Width:Â 32.5