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 ...

Replacing your furnace or AC air filter is simple. This guide will walk you through everything you need to know to do the job right. 📦 PRODUCTS IN THIS VIDEO 📦 • Basic MERV 8 Air Filters • ...

Changing your furnace filter is one of those home maintenance chores that's easy to forget until you've got a problem. Typically located in tucked-away spots like a basement, crawlspace, or attic, ...