Furnace air filters are more than just dust catchers — they help your system run efficiently and protect your indoor air quality. In this section, you’ll learn how to choose the right filter, how often to replace it, and what happens when filters get clogged. Whether you’re trying to save energy or just breathe easier, these guides will help you get the most from your HVAC system.
Are you having trouble finding your electric furnace filter location? Not all furnace manufacturers provide a place for a filter. It could be somewhere else. Locating your electric furnace filter is a process of starting at the return grille and working your way to the fan or blower in the furnace. Or, if you want…
The test I use to know if a furnace filter needs changing is to hold it up to a bright light. If you can see through the filter, put it back in the furnace. If you suspect the filter is dirty enough to restrict the air flow, then change it out to a new filter….
SC (standard capacity) Merv 8