Tag Archives: HERS Index

Defining the HERS Index

Green Building

Defining the HERS Index

The Home Energy Rating System (HERS) Index was established by the Residential Energy Services Network (RESNET), a California-based nonprofit, in 2006. In simple terms, the HERS Index compares a new home to a “reference home” of identical size that meets the minimum requirements of the 2006 International Energy Conservation Code (IECC). To calculate a home’s HERS Index, a rater inputs data about the house into one of four RESNET-accredited software programs. The reference home built to the minimum 2006 IECC requirements gets a score of….

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