Q: I turned on my furnace for the first time this year, and it made the whole house smell musty. I checked the filter and found it caked with dust, so I replaced it with a new filter, and the indoor ...

If you were to let unfiltered air into your furnace, its performance would suffer as dust settled on the heat exchanger and other parts, and that would reduce the service life of your most important ...

Most disposable air filters last three to 12 months. Life span varies by model, but in general, the thicker the filter, the less often it needs changing. But the filter thickness you use is dictated ...

HomeServe Editorial reports that regular furnace tune-ups prevent costly repairs, improve efficiency, and extend the lifespan ...