Many heat pumps operate only at full power' but the Ducane 4HP16 has two different stages of heating and cooling. During mild weather' the two-stage compressor runs mostly at low capacity' using less energy. Longer' slower operating cycles also allow for more even temperatures' quieter operation and better humidity control.
|MODEL||Cooling Cap. MBtuH||SEER||Heating Cap.MBtuH||HSPF||Refrigerant Charge Oz.||Line Size||Dimensions HxWxD||Weight Lbs.|