What is the primary purpose of a HERS rater?

The primary purpose of a HERS rater is to evaluate a home's energy efficiency and provide a rating based on its design and energy performance. HERS raters conduct thorough assessments of residential properties, utilizing standardized testing methods to analyze various aspects of home performance, such as insulation levels, HVAC efficiency, and air leakage. This evaluation leads to the generation of a HERS Index score, which provides homeowners and builders with a quantifiable measure of a home's energy efficiency compared to a reference home. The rating system aids in identifying areas for improvement, helping homeowners make informed decisions that can lead to increased energy efficiency and reduced energy costs.

The role of a HERS rater is distinct from those involved in designing new homes, selling energy-efficient products, or calculating energy bills. While HERS raters may work alongside architects and builders, their focus remains on the assessment and rating of existing homes, rather than the design process or retail aspects of energy-efficient solutions. This distinction underscores the importance of HERS raters in promoting energy efficiency through objective measurement and evaluation.