Duct Mastic vs. Tape: Why One Fails and One Lasts

Duct Mastic vs. Tape: Why One Fails and One Lasts

Last month, I was called out to a home in the suburbs for a comfort complaint—the upstairs bedrooms were 8 degrees warmer than the downstairs in summer, and the homeowner’s energy bill had jumped $40 a month. When I opened the attic to inspect the ductwork, I found something I see at least twice a … Read more