You'll want to do everything you can to warm up your home in winter, but should you cover your crawl space vents? Let's look ...
If you block a crawl space vent it can work well ... If you do have a basement, ask yourself should you insulate a basement ceiling? It will bring several benefits if you do.
They can also talk with you about what would be required to permanently seal your crawl space, from vapor barriers to foam ...
For the long term, add insulation to attics, basements, and crawl spaces. Insulation will maintain higher temperatures in ...