When winter rolls around, close or cover foundation vents. We explain how to seal up crawl-space vents in winter for a more energy-efficient home.

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 ...

With winter in full swing, you may be looking for ways to keep your house warm. After all, relying solely on your home's ...

Is your house built over an unheated crawl space? And if so, are your crawl space vents open or closed right now? It turns out that the issue of crawl space vents is fairly complicated and even a ...

If you have a crawl space at your home, you know that it can commonly cause problems if not cared for properly. It could cause musty odors, high humidity levels indoors, and a cold feel underfoot. A ...

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 ...