- Brand:Â DucaneBase Unit of Measure:Â EACooling Capacity:Â 3.0 Ton CoolingEER Efficiency:Â 11Efficiency:Â 14.0 SEERGross Weight:Â 332Heating Capacity:Â No Heating CapacityHeight:Â 42.5Length:Â 48.75Manufacturer Name:Â Allied Air EnterprisesVoltage:Â 208/230v 1ph 60 hzVolume:Â 1.93Width:Â 48