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Been seer homepage builder3/17/2024 ![]() ![]() ![]() Electric resistance heating (such as baseboards) was only found in houses that scored 75 or higher. ![]() Homes with air source heat pumps ran the gamut on scores overall, but homes that scored between -20 and 5 (which is almost or even better than net zero energy) had mostly air source heat pumps.Ground source heat pumps dominated the lower score ranges.Efficient building practices and features also play a role: One general industry trend confirmed by these data points is that homes with HERS Index scores below 50 tend to have smaller square footages of livable space, and multifamily units generally have lower scores because of this. Keep in mind, the lower the score, the more energy efficient the dwelling is compared to a 2006 code-built home. Home builders can learn how to achieve low Home Energy Rating System (HERS) Index scores by looking closer at data points captured in energy modeling software to see what trends emerge.Ĭy Kilbourn of Ekotrope analyzed all the homes registered in its database in 2019 and found that the most common HERS Index score was 58, and the majority of scores fell within a standard bell curve ranging between 45 and 80. ![]()
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