Average HERS index score of homes in the U.S. 2024, in selected states

Published by
Fernando de Querol Cumbrera,
May 21, 2025

Minnesota and Massachusetts were among the U.S. states with the lowest average Home Energy Rating System (HERS) index scores of the certifications issued in 2024, which indicates a higher level of energy efficiency. Meanwhile, Indiana and North Carolina had less energy efficient homes, given that their HERS-certified homes had, on average, higher scores. With an average score of **, Texas had the highest number of homes rated by the HERS index.

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Average Home Energy Rating System (HERS) index score of homes in the United States in 2024, in selected states

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Release date

January 2025

Region

United States

Survey time period

2024

Special properties

In the HERS index, 150 is the worst possible score, indicating that a home is energy inefficient. A home with a score of 100 indicates meets the standards for a new home. While a score of 0 is a net zero energy home.

Supplementary notes

Only countries with at least 6,000 HERS scores issued that year.

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