More states are adopting this new energy rating system
from Door & Window Market Magazine
A new energy rating system is making waves across the U.S. as another state will be adopting the method as a pathway to getting residential building permits approved. Illinois is adopting Residential Energy Services Network's Home Energy Rating System Index as a way to gauge a home's energy performance pursuant to a building permit. HERS is a type of diagnostic testing using specialized equipment, such as a blower door test, duct leakage tester, combustion analyzer and infrared cameras to determine the extent of air leaks and safety issues among other things.
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