What do MERV ratings really mean? And why should I care?
- Dan Dearden
- Sep 8, 2025
- 1 min read
Response by Dan Dearden, CAFS – Certified Air Filtration Specialist, Essential Air Products Founder, NovusAer Inventor
Did you know that most home filters don’t actually catch the smallest — and most harmful — particles? PM2.5 particles are tiny enough to slip through, and they can affect your health more than you realize.
In this video, we’ll explain what MERV ratings really mean, clear up some of the common myths, and show you how to tell if a filter is doing its job. You’ll learn how to cut through the marketing hype and make confident choices about the air your family breathes.
If you’re a homeowner, dealing with allergies, or just curious about keeping your indoor air as clean as possible, this guide will give you the facts you need.
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