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What Is HERS Rating, And What’s In It For You?

Posted on: February 22nd, 2013 by

If you’re planning on buying a new home or renovating your current Texas home, the HERS (Home Energy Rating System) Index is something you should know about. Calculated based on a number of factors, the HERS rating lets you check a home’s energy efficiency at a glance.

The HERS Index was developed by the Residential Energy Services Network (RESNET) to address common causes of energy inefficiency, such as incorrectly installed windows, leaky ductwork, and poor insulation in walls and ceilings.

This rating system compares an existing home or a home’s building plans to a HERS Reference Home, a theoretical building that just barely meets the minimum 2006 International Energy Conservation Code. The reference home has a HERS Index of 100.

A lower HERS Index indicates greater energy efficiency. A 1-point decrease in a home’s HERS Index means 1 percent less energy used compared to the HERS Reference Home. To qualify for Energy Star certification, a home must have a HERS Index of at least 85, making it 15 percent more efficient than the HERS Reference Home.

Choosing a home with a low HERS rating or renovating your existing home to improve its HERS rating can benefit you in several ways.

  • Greater comfort — Energy-efficient homes are easier to cool in summer and heat in winter, and they’re free from irritating drafts.
  • More home for less money — Better energy efficiency means lower “operating costs” for your home. That gives you more value for the purchase price or mortgage cost.
  • Increased equity — Your energy-efficient home will have a greater market value than a less efficient home.
  • The prospect of a better mortgage — Through the Energy Efficient Mortgage (EEM) program, you may qualify for more favorable terms on your mortgage by choosing an energy-efficient home.
  • Reduced ecological footprint — The less electricity, natural gas, and other energy sources you use, the less you contribute to carbon pollution.

To learn more about the HERS rating and other methods of calculating your home’s energy efficiency, contact us at AirRite Air Conditioning Company, Inc. We’ve been serving the Arlington, North Richland Hills, Benbrook, and surrounding areas reliably since 1955.

Our goal is to help educate our customers in the Fort Worth and Arlington, Texas area about energy and home comfort issues (specific to HVAC systems).  For more information about HERS rating and other HVAC topics, download our free Home Comfort Resource guide.

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