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What is the HERS Index?

So you are looking for a new home and the term HERS Index keeps popping up—but what does it mean? The Home Energy Rating System or HERS Index is basically the formula in which home energy efficiency is measured. Developed and introduced by RESNET (Residential Energy Services Network) in 2006, the HERS Index is the nationally recognized system for inspecting and calculating a home’s energy performance.  At Davis Homes, we care about the livability of the home as much as the quality of construction. We go above and beyond what is required to give you the best construction coupled with the latest state of the art efficiency available. However, all of this begs the question: Why should I as a future homeowner really care about these numbers?

HERS Rating and Your Home–What does it all mean?

The HERS Index says a great deal about how much your home is worth, or how much you can expect to pay while living there. When you’re selling your home, a low HERS Index Score can drive up your resale price. When you’re buying a home it can help you anticipate the costs of energy bills and efficiency upgrades. A typical resale home in the United States is rated at 130 on the HERS Index, while a new Davis Homes home scores 70. What this means is that a home with a HERS Index score of 130 is over 45% less efficient than a new Davis home.

Calculating a HERS Rating.

Here’s how it works. A certified RESNET Home Energy Rater conducts an energy rating on a home to determine its energy performance, which produces a HERS Index score.  This score tells the homeowner how energy efficient their home is in comparison to other similar homes.

What is taken into consideration?

  • Ceilings and roofs.
  • All exterior walls.
  • Windows and doors, vents and ductwork.
  • HVAC systems, water heating system, and your thermostat.
  • Floors over areas which are not heated or cooled such as garages.
  • Attics, foundations and crawlspaces.

The Davis Difference.

While the average new construction home rates at 100 on the HERS scale, a Davis home generally earns a HERS rating of around 70 because we believe in producing the best home possible. We do this not because we are required to, we do it because it is the right thing to do. Here is what you can expect in your new Davis home:

  • Thermo-ply insulation.
  • Low e argon gas filled windows.
  • Extra insulation in walls, attics & basements.
  • Rigid foam insulation under the slab.
  • Complete home wrap.

Where’s the benefit?

The HERS Index score is important because it can tell a new homeowner what kind of bang they will get for their buck by giving an indication of what kind of energy costs to expect from a new home. Let’s say, for example, that there are two homes that you’re interested in. One is a pre-existing home with a HERS Index score of 130. The other is a Davis Home with a score of 70. You’ll know immediately that the Davis home scoring of 70 is significantly more energy efficient. That means lower utility costs making your decision an easier one. The savings extend beyond lower utility bills. When homeowners put their houses on the market, they, can use their HERS Index score to get a higher resale price. Ultimately, these numbers mean cost savings, more eco friendly living and assurance that your investment is a solid one for years to come.

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