Contractors need to get the value of a Blower Door test, not just for code compliance but also for home health. Blower Door testing is the only way to confirm that a home is tight enough to control indoor Air Quality.
An Energy Star H.E.R.S. rater is a technician trained and equipped to measure the efficiency of your home. Through pressure testing, careful measurement and very precise metering a rater determines the performance of your building. Visit energy home basics.com
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