The Virginia Residential Building Code allows two options for verifying air tightness in new construction. The first option is a Blower Door Test and the second is just a visual inspection, which as you can imagine, is the most commonly used method as it is generally...
Say hello to the 2012 Virginina Energy Conservation Code. And with it, stricter air leakage requirements with a decrease in allowable air exchange rates. Air exchange rate is the rate at which air flows into and out of a given space through penetrations and openings...
Icicles hanging off the roof may make your home look like it’s straight out of a winter wonderland backdrop but they are a sure sign of energy loss in your home. Icicles often form after the creation of ice dams on the roof. Ice dams are created when snow on the roof...
