Electric air-source heat pumps, often used in moderate climates, use the difference between outdoor air temperatures and indoor air temperatures to cool and heat your home.
Even if your current air conditioner or heat pump is only 10 years old, you could save 20-40% of your cooling energy costs by replacing it with a newer, more efficient model.
An average home, with a new 16 SEER, 13 EER high-efficiency ASHP system can save 649 kilowatt-hours per year.
High efficiency Air-Source Heat Pump with Quality Installation-