Home Energy Rating System (HERS) Rating

​HERS, the Home Energy Rating System, was developed by RESNET and rates the energy efficiency of a home. The rating involves analysis of the home’s construction plans and at least one onsite inspection. This information is used to estimate the home’s annual energy costs and give the home a score (known as the HERS Index) between 0 and 150. The lower the score, the more efficient the home.​

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