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Air-Source Heat Pumps

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.

Earning the ENERGY STAR means products meet strict energy efficiency guidelines set by the US Environmental Protection Agency and the Department of Energy. ENERGY STAR qualified heat pumps have a higher seasonal efficiency rating (SEER) and heating seasonal performance factor (HSPF) than standard models, which makes them about 20% percent more efficient than standard new models and 20-50% more efficient then what you may have in your home. Remember, saving energy prevents pollution.

By choosing ENERGY STAR and taking steps to optimize the performance of your heating and cooling equipment, you are helping to prevent global warming and promoting cleaner air while enhancing the comfort of your home. You may also be interested to know: Though these products can be more expensive to purchase up front, the cost difference will be paid back over time through lower energy bills.

When buying new equipment, sizing and installation are as important as product quality. Make sure to find a good contractor.

You can get better heating and cooling performance at home with ENERGY STAR home sealing (insulation and air sealing) and duct sealing.

Consider regular maintenance to maintain your heating and cooling system performance.

Finding Qualified Equipment

The Consortium for Energy Efficiency (CEE) and the American Refrigeration Institute (ARI) have developed an online database which can be used to find qualifying ENERGY STAR equipment. All equipment listed in this online database meets the specification requirements for ENERGY STAR. This online database is solely maintained and operated by CEE and ARI. To help understand how to use this online database, we have created a quick guide (118KB) to help you with the various fields used in this online database. Search CEE-ARI Online Database. 

Find a Contractor

The Air Conditioning Contractors of America (ACCA) online Contractor Locator includes a special designation to identify contractors who sell and are knowledgeable about ENERGY STAR qualified HVAC equipment. ACCA is a non-profit association whose goal is to help the best Heating, Ventilation, Air-conditioning and Refrigeration (HVACR) contractors serve their customers. Look for the “Ask About ENERGY STAR” logo in the contractor search results. Please note that these contractors are not certified, endorsed, or otherwise approved by the U.S. EPA. Click here for ACCA Contractor locator. 

Air-Source Heat Pumps Information Resources

Residential vs. Non-Residential Air-Source Heat Pumps 

Residential: models with heating and/or cooling output capacities less than 65,000 Btuh, and that use a single-phase electric supply. Minimum efficiency levels for this equipment are established by the National Appliance Energy Conservation Act (NAECA). The energy-efficiency metrics for residential models are: 

  • Cooling mode: Seasonal Energy Efficiency Ratio (SEER) 
  • Heating mode (heat pumps only): Heating Seasonal Performance Factor (HSPF) 

Non-residential: models with heating and/or cooling output capacities equal to or greater than 65,000 Btuh and that use a a single-phase electric supply, and all models that require a three-phase electric supply. Minimum efficiency levels for this equipment are established by the Energy Policy Act of 1992 (EPAct). The energy efficiency metrics for non-residential models are: 

  • Cooling mode: Energy Efficiency Ratio (EER) 
  • Heating mode (heat pumps only): Coefficient of Performance (COP) 

Information Source: List of ENERGY STAR Qualified Products 

Information Source: California Energy Commission database 

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