Changing your furnace filter is one of the most basic home maintenance tasks—but there’s more to it than just picking any filter off the shelf. If you’re missing a filter slot cover or seal, you could be letting unfiltered air bypass the filter entirely, leading to poor air quality and added strain on your system. In this video, I’ll walk you through: ✅ How to choose the right furnace filter for your home ✅ Why MERV ratings matter (and when to go higher or lower) ✅ A simple fix for the commonly