by Mark Hansberger on February 5, 2015February 5, 2015 Fast Ways to Detect Costly Leaks in Ductwork The average home loses at least 20 percent of its conditioned air through leaky ductwork. In some cases, that number may be as high as 75 percent. Duct leakage is an existing factor in all […]Read More Filed Under: Ductwork Tagged With: Arizona– blower door– duct blaster– duct leakage– ductwork– hvac contractor– pressure pan– seal air leaks– Yuma