How Long Does a 10x20x2 Air Filter Last in Real Homes?
The packaging says 90 days. Our real-world testing says otherwise. At HVACClarity.com, we tracked 10x20x2 air filter performance across 47 households over 18 months—and found most needed replacement between 30 and 45 days, not the 60-90 days manufacturers claim. The difference? Lab conditions don’t account for your dog, your dusty basement, or your August AC … Read more