Blower door testing is a way to check the "leakiness" of a home. By depressurizing (pulling air out of a home) and measuring the rate at which air leaks in through openings in the building envelope, we are able to assess how much energy (and money) is escaping through air leaks. Knowing the total amount of air leakage and where the leaks are located helps us determine the most effective strategy to improve your home.

Before we consider an energy retrofit job complete, we use the blower door as our final step to check our work and measure the improvement achieved by our services.

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Testimonials

We had Gary's team led by Paul Swenson improve the insulation and reduce the air losses at our 20 year old home.  The team was very professional, did a great job, and left things cleaner than they found them.  My wife wants them to come back again.  The house feels more comfortable, and even during the last major cold spell when the temperature fell to below 10 degrees, the house felt comfortable and the heating had no problem keeping up.  Even the bonus room, which is known as a cold spot in most homes, is pleasant to use as my office.  I...

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Sam M., Greensboro