Replacement Air Filter Sizing: Nominal vs. Actual
Air filters are sold by nominal size, not the size they actually measure. A filter labeled 20x25x1 is closer to 19.5 x 24.5 x 0.75 inches, and that gap is...
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Replacement Air Filter Sizing: Nominal vs. Actual
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Embrace the Change of Season: Why You Should Change Air Filters Every Fall
As the leaves begin to don their vibrant autumn colors and the air turns crisper, it's clear that fall has arrived. While many of us relish in the joys of...
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How to Change Your Home HVAC, Window AC & Condo Air Filters
Updated on 5/31/26: This guide covers how to replace air filters in return ducts, air handler cabinets, window AC units, and apartments. It explains what happens if you put a...
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How Do You Know What MERV Rating to Use?
What Does MERV Mean in Air Filters? MERV stands for Minimum Efficiency Reporting Value, which is a standard rating system used for how effectively air filters capture airborne particles. The...
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Can You Run Your Air Conditioner Without a Filter?
Ever wondered how long you can run your ac with a filter? Our suggestion: don’t. That one key element to your HVAC system can have a significant impact on its...
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MERV 8 vs MERV 11 Air Filters: Which Should I Use?
We all want our homes to be full of breathable, fresh, clean air. Most of us don't give our HVAC air filter a second thought, though - it sits there...
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Air Filters vs Air Purifiers
Improving the air quality and maintaining a safe living or working environment is important. In an effort to produce the cleanest air quality possible, you may be comparing your options...
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Air Filters vs Furnace Filters
Furnace and air filters are designed to serve the same purpose; filtering air being circulated to output cleaner air. Furnace filters are specifically made for HVAC systems whereas air filters...
