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.

• Up to 16 SEER and 8.5 HSPF ratings
• Two-stage compressor runs at a lower speed most of the time to keep you comfortable all year long' while reducing energy costs' humidity and sound levels
• Heavy-duty compressor sound blanket lowers operating noise' so you can enjoy peace and quiet
• Quiet Shift™ technology reduces operating sounds when the unit goes into defrost mode to remove frost and ice buildup' so you get better performance with minimal noise and less maintenance
• Dual-Fuel system offers an ideal combination of energy sources' electric and gas' pairing a heat pump and matching gas furnace together to maintain comfort
• Rigorous run-testing of each unit in our factory helps ensure the most reliable performance in your home
• Comfort Alert 2 diagnostics factory installed