- Brand:Â DucaneBase Unit of Measure:Â EACooling Capacity:Â 3.0 Ton CoolingEfficiency:Â Not RatedGross Weight:Â 31Heating Capacity:Â No Heating CapacityHeight:Â 23.13Length:Â 25.75Manufacturer Name:Â Allied Air EnterprisesVoltage:Â No VoltageVolume:Â 0.29Width:Â 21.25