Q. This week: My five year old second home has a five foot tall crawl space with a concrete floor (copper and PVC pipes and ductwork are down there, and a suspended 80,000 BTU transverse furnace).

Q. My house has four crawl space foundation vents that have flaps that can be opened or closed. The furnace people said to keep the vents closed all the time to prevent condensation from forming on ...

Older homes in the South were typically built over a crawl space rather than a finished basement. Even today, many homes don't include a finished basement because of our damp, Southern soils. What you ...

Q : You have often said that crawl space vents need to be opened in the winter. Why is that? I always thought they should be closed to keep my water pipes from freezing. A: I used to think the same ...

Close those crawl-space vents to keep cold air out. Older homes in the South were typically built over a crawl space rather ...

My dad tells me I should cover my crawlspace vents when the temperature drops below 25 degrees. My concern in so doing is that we might be inviting problems. Specifically we have had rat problems, ...

Q: I read your online response about crawl space vents. I found it very informative. I reside on the coast. My house is located on a lagoon off the inner coastal waterway. The crawl space floor is ...

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., ...

Q-We have a crawl space under our house that we use for occasional storage. A number of vents were installed that go through the foundation to allow cross ventilation in this crawl space. We were told ...

Q: You have often said that crawl-space vents need to be opened in the winter. Why is that? I always thought they should be closed to keep my water pipes from freezing. A. I used to think the same ...