Here is the full MERV rating chart: The most prevalent MERV ratings are MERV 4, 6, 8, 10, 12, 14, and 16: A Higher MERV rating automatically means a better filter. You can see from the MERV scale above that MERV 10 filter will filter out 85% of 3.0-10.0 μm particles. MERV 12 filter, for comparison, will filter out 90% of the same particles.

Feb 24, 2025 · Minimum Efficiency Reporting Values, or MERVs, report a filter's ability to capture larger particles between 0.3 and 10 microns (µm). The rating is derived from a test method developed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) [see www.ashrae.org].

Oct 7, 2024 · Which MERV-rated air filter should you be using? Here we list and explain everything you need to know about MERV ratings, ranging from 1-20.

MERV 6 Filter Overview. If you want a combination of above average air filtration and affordability, then a MERV 6 air filter is the best choice. MERV means Minimum Efficiency Reporting Value and is a measurement of an air filter’s effectiveness. MERV ratings go from 1 to 20 with the number’s increasing with the filter’s efficacy.

Oct 19, 2024 · Using an air filter with a MERV rating of about 5 to 8 is appropriate for most residential homes. MERV 5 – MERV 8 filters provide good filtration and will remove most pollen, mold spores, and dust mites. Using MERV 5-8 filters will keep your HVAC system more efficient than using higher-rated filters, as long as you replace your filters regularly.

Apr 29, 2022 · For example, a MERV 6 filter will trap about 50% of pollen but only about 25% of mold spores. A MERV 10 filter will trap more than 85% of pollen and about 75% of mold spores. This chart is an overview of MERV Ratings and what pollutants each tier removes.

Minimum Efficiency Reporting Value, commonly known as MERV, is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) to report the effectiveness of air filters in more detail than other ratings.

May 24, 2023 · An air filter’s minimum efficiency reporting value (MERV) rating measures how effectively the filter stops dust and other contaminants from passing through the filter and into the air stream. MERV ratings are from 1-16, and filters with higher MERV ratings trap small particles more effectively than filters with lower MERV ratings.

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MERV 6 is the lowest MERV rating offered by AirFilters.com. Though not recommended for allergy and asthma sufferers, filters with a MERV 6 rating are 8 times more efficient than the regular cheap fiberglass filters.