5 Star Energy

These verifications are important because studies have shown that the heating and air conditioning ducts in the average home leak 30 percent of the conditioned air in the system. Another common problem is insulation which does not provide the R-rating listed on the label because of improper installation. HERS raters prevent these problems from costing homeowner’s money for years to come.

https://5star-energy.net/certified-hers-rater/