Q: We purchased a house built in 1987. The crawlspace is sealed because it is used as a general return for the systems. There is a sump pump in the corner of the crawlspace. My questions: 1) Should ...
This is the first in a series of articles intended to provide a working knowledge of residential heating-cooling duct systems; an understanding of the major issues concerning efficiency, comfort, ...
Ducts are made of segments of sheet metal, or combinations of sheet metal, duct board and flex duct. Between the sections and at the elbows there are joints which are simply bent, crimped, or screwed ...
COLUMBIA, S.C. - Many building codes in the southeastern United States call for increased attic and crawl space ventilation to fight moisture and related IAQ problems. Craig DeWitt, Ph.D., P.E., ...
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