12in Dia
12in Dia
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when they install my new a.c.they did not replace my old ductwork. the old duckwork is much smaller then new d?
the new duck work is 12 inc.dia.about 6ft. long connects to the old ductwork 4inc by 12in would this cause any problem.i had water in my ducts, which cause mold on registers. had it cleaned. what would cause the water in the system. drip pan also leaked,been replaced?
your missing insulation on your metal duct witch is causing condensation and water old metal duct has r-4 flex duct r-8 time to upgrade your ducting