If you notice a funny burn smell when the heat turns on, it may be a sign that your furnace needs maintenance. It could be something as minor as a dirty filter, but it could also be a serious problem ...

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Essential oils in a furnace filter can freshen up a home's aroma, but there are caveats. Here's what to know about successfully pulling off this hack.

Replacing the filter in your furnace or AC unit will improve your air quality and make your equipment last longer. Stock up during Amazon's annual sale. By Stan Horaczek Published Oct 7, 2025 3:03 AM ...

Bob is a service technician who is well trained and nationally certified. However, he has sometimes suffered from the same confusion that all technicians occasionally do — the facts that he gathers ...

Bob and Tim are at lunch after tuning up an oil burner. When they arrived at the job the home was cold and the oil burner was burning erratically if burning at all. They gave the system a tune-up, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

Even in the warmer months of the year, you should regularly monitor your furnace filter's condition -- and replace it as needed -- to keep your family safe and your furnace in good working condition.

A man kneels while pulling a dirty filter out of a furnace - Backyardproduction/Getty Images Changing your furnace filter is one of those home maintenance chores that's easy to forget until you've got ...