Despite a pandemic and an economic slowdown, 2020 broke the record of the number of homes that were HERS® Rated. 2020 was a record year with 299,755 homes in the United States being HERS® rated and issued a HERS® Index Score. The top-performing state for percentage of new homes HERS® rated was Massachusetts with a whopping 87%. Based on data from the RESNET National Buildings Registry and U.S. Census Bureau, the following are the top ten states in terms of the percentage of new single family and duplex homes HERS® rated in 2020: