A HERS score is a numerical rating of the energy efficiency of a home. The Home Energy Rating System (HERS) Index was developed by the Residential Energy Services Network (RESNET). It uses an independent third-party to rate residential buildings, and scores are calculated based on factors such as insulation levels, air leakage, window performance, and …
A HERS test, or Home Energy Rating System test, assesses a home’s energy efficiency. The test is performed by a certified HERS rater and takes approximately two to four hours to complete, depending on the size of the home. The first step of the HERS test is to evaluate the home’s energy usage by looking …
A duct blaster test is used to determine how much air is leaking from your home’s ductwork. The test uses a device called a duct blower, which is connected to your ductwork and blows air through it. The amount of air that leaks out of the ductwork are measured and used to calculate the leakiness …
HERS raters are energy efficiency experts who help homeowners and builders make their homes more efficient. Efficiency is important because it saves money on utility bills, makes homes more comfortable, and reduces pollution. HERS raters use special software to assess a home’s energy performance. They take into account the home’s size, shape, orientation, and construction …
Lone Star Energy Efficiency
1107 Austin Hwy
P.O. Box 6731
San Antonio, TX 78209