How to deal with drafty doors and windows. The one thing you should do with your heating vents.

When it comes to heating residential or commercial spaces, size doesn’t always equal better or more efficient heating. While commercial or rooftop units may be an excellent source for building-wide ...

If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...