Derek ColeGM, Simmons One Hour Heating & Air · AI HVAC Answers

Understanding MERV Ratings: The Key to Cleaner Air

9 Feb 2025 · 0 min

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This content was created by Derek Cole. This content was uploaded by Derek Cole. This is a YouTube video titled "Understanding MERV Ratings: The Key to Cleaner Air" (created 2025-02-09) containing an explanatory segment by a single speaker (labeled SPEAKER A) that describes MERV ratings: higher MERV numbers indicate greater efficiency at capturing smaller/micronic particles but also increase airflow restriction. The clip appears to be an informational explanation about filter selection and air quality.

So filters are rated by a MERV rating, what they call MERV rating. So the higher the number, the more efficient it is at collecting some micronic particles or particles. You can't see things that get in your system that you want to get rid of that you don't want in your system. So the higher the number, the more efficient it is at collecting particles. The problem is the higher the number, the more restricts airflow.