Is there a MERV 12 filter?

What is the highest MERV filter available?

In fact, we covered these in a blog post last month titled, A Home Air Filter Buying Guide for Your HVAC System. But even among filters of the same type, there can be a wide variance of quality and efficiency.

What is a MERV 12 filter?

Filters with a MERV rating between 9 and 12 capture much smaller particulates, including pet dander and auto emissions. It provides efficient air filtration with a spot dust efficiency between 35% and 75%. They are a good option for anyone dealing with mild to moderate allergies or respiratory issues like asthma.

Is MERV 12 too high?

While the highest MERV ratings are the most effective for air quality, they can harm your HVAC system. A higher MERV rating means a higher resistance, which means less airflow.

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MERV Minimum Particle Size
9–12 3.0–1.0 μm
13–16 1.0–0.3 μm
17–20 < 0.3 μm

Will a MERV 13 filter hurt my furnace?

MERV 13 air filters are the highest-rated air filters for home use. Any air filter with a rating higher than 13 will restrict air flow to the point of which could cause damage to your HVAC system, resulting in an added expense to fix it.

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Can I replace MERV 11 filter with MERV 12?

In general no. In order to use a Merv 12 to replace a Merv 11, you need to know if you system can handle the extra pressure drop caused by the higher efficiency Merv 12. My heat pump/ ventilation system cannot support the pressure drop of a Merv 12.

Is a MERV 12 filter good?

A filter with a MERV rating of around 10 to 12 is sufficient to remove most allergy-causing particles from your home’s air. Most air filters that are able to remove common allergens will have the word “allergy” or “allergen” on their packaging.

Can I use MERV 12 instead of 11?

MERV 12 filters trap 80 to 89 percent of average particles of 1.0 to 3.0 microns, with an average particle size efficiency of 90 percent or better. As you can see, they’re pretty close. That’s why you’re just as good going with a MERV 11 as with a MERV 12. You will get decent results from either.

Is MERV 12 bad?

High MERV filters, specifically MERV 12 to MERV 16 filters, stop more and smaller particles of pollutants, allergens and other junk that leads to bad indoor air quality (IAQ). That’s a fact. The terms “more” and “smaller” are both important when discussing healthy IAQ in your home.

How long do MERV 12 filters last?

Your furnace’s owner’s manual will specify the best MERV rating for your furnace, and in general, filters with a MERV rating of 6 through 9 should be changed every 90 days, while those with a MERV rating of 10 through 12 should be changed every 60 days.

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What is the difference between MERV 12 and 13?


MERV VALUE The filter will trap Average Particle Size Efficiency 0.3 – 1.0 Micron The filter will trap Average Particle Size Efficiency 1.0 – 3.0 Micron
MERV 12 80% – 89%
MERV 13 Less than 75% 90% or better
MERV 14 75% – 84% 90% or better
MERV 15 85% – 94% 90% or better