How do you know?
How do you know which house is more energy efficient and can save you money? If you are in the market for a newly constructed home, you may wish there was one simple number to help. Well, there is. It's the HERS Index.
The HERS Index is the industry standard for measuring a home's energy efficiency. HERS – or Home Energy Rating System – was developed by RESNET and is the nationally recognized system for inspecting and calculating a home's energy performance. Certified RESNET home energy raters conduct inspections to verify a home's energy performance and determine what improvements can be made to increase it. Learn more about the RESNET HERS Index*.
Understanding the index
It's important to know that the lower a home's HERS score, the better. For example, an average existing home has a score of 130. So, a number like 74 can save you hundreds of dollars a year in energy costs.
What makes a home energy efficient?
There are a lot of things a HERS Rater is looking for, but it really all starts in the design phase. A HERS Rater works with the builder to design a home with energy efficiency in mind. Then during construction, the builder includes features like:
- effective insulation
- energy-efficient equipment such as heat pumps and water heaters
- high-performance windows
- energy-efficient appliances
- sealing and caulk to improve a home's infiltration
During construction and again upon completion, a HERS Rater performs diagnostic testing to ensure that the energy efficiency measures the builder has put into place will mean true energy savings for you.
How Georgia Power can help
Georgia Power works with local builders who have agreed to construct homes with greater energy efficiency than is required in a newly constructed standard-code home. Greater efficiency means money savings, year after year, over the lifetime of your home. It also means improved comfort, air quality and durability. All of these are benefits of a Georgia Power EarthCents® New Home. Learn more.
HERS is a registered trademark of Residential Energy Services Network*
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