what is the difference between merv 8 and merv 11

what is the difference between merv 8 and merv 11

MERV 8 Air Filters vs MERV 11 Air Filters

MERV 8 air filters compared with MERV 11 air filters

They might look like they’re almost the identical factor, however MERV 8 air filters and MERV 11 air filters have some distinct variations. Transferring up simply three MERV score ranges can both be a sensible transfer that makes the air cleaner or a detrimental choice to your total HVAC system if you take into consideration MERV 8 vs MERV 11 air move capabilities.

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That’s why some thought must be put into deciding between these two widespread air filters. When you’re attempting to decide on between a MERV 8 air filter and a MERV 11 air filter, right here’s what it is advisable to know.

Is a MERV 8 Air Filter Good Sufficient?

MERV 8 air filters are quite common as a result of it’s a fairly well-rounded choice, so that you may suppose that they’re nice on value however unhealthy on efficiency. They’re inexpensive and may present above common air filtration in properties. We aren’t stunned that MERV 8 air filters are the highest-rated merchandise we promote.

Once we get requested, “what does MERV 8 imply,” we inform our prospects its skilled efficiency at an inexpensive value.

MERV 8 air filters are virtually as inexpensive as much less environment friendly merchandise, which makes them a superb worth.

Is MERV 11 Too Excessive?

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A MERV 11 air filter has a better effectivity score. That means, it could possibly seize finer particles and clear extra contaminants out of the air. However is MERV 11 too excessive in your wants?

  • Pollen
  • Mud mites
  • Mildew
  • Giant mud particles
  • Auto emissions
  • Positive air particles
  • Pet dander
  • Lint
  • Smoke
  • Smog
  • Micro organism

MERV 11 air filters are just a little dearer than a typical filter, however paying a number of {dollars} extra per filter is normally definitely worth the added effectivity. Some conditions warrant a better MERV 11 score. If anybody has an allergy or respiratory downside, go together with a MERV 11 air filter or perhaps a MERV 13 air filter. The identical case goes for properties with people who smoke or pets since MERV 11 air filters are higher at eradicating odors.


One factor to bear in mind is {that a} MERV 11 air filter might should be modified just a little extra steadily than a MERV 8 air filter. The higher an air filter is at trapping particles, the faster it’s going to get maxed out.

When you’re anxious concerning the results of inhaling tremendous air particles, that’s one more reason to decide on a MERV 11 air filter over a MERV 8 air filter. Positive air particles are 2.5 microns and smaller. At that measurement, the air particles can get into lung tissue and enter the bloodstream. MERV 11 air filters can filter out a big share of tremendous particles, however a MERV 8 air filter can’t.

shop MERV 11 rated air filters with Filterbuy

What’s the Distinction Between MERV 11 vs MERV 8 Air Filters?

We’ve gone over the most important execs and cons of MERV 8 vs MERV 11 air filters. When you’re new to air filter choice, you may nonetheless be uncertain which one is the highest choice regardless of the detailed rationalization above. This comparability desk helps spotlight the variations between MERV 8 and MERV 11 filters so it could be simpler to resolve which one will work finest.

Infographic that gives side by side comparison of MERV 8 air filter performance versus MERV 11 air filter performance

MERV Rankings Chart

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Choosing the right MERV score is a vital choice when it comes to total value, air high quality, product sturdiness. The suitable MERV score can finally enhance the lifespan of your HVAC system.

For the reason that MERV score system is normal, it makes evaluating filters with completely different MERV rankings just a little simpler. Use the MERV score chart under to take one final take a look at how MERV 8 and MERV 11 filters evaluate.

Infographic that shows the performance of MERV 1 through MERV 20 rated air filters

Extra About MERV Rankings

We’ve coated a whole lot of floor to this point in our comparability of MERV 8 vs. MERV 11 air filters, however there are nonetheless a number of widespread questions left to reply. Beneath we offer fast responses to a couple common questions on MERV rankings.

What does MERV stand for?

MERV stands for Minimal Effectivity Ranking Worth. It’s a standardized system that was created by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE), and is utilized by all air filter producers. The score values vary from 1 (the bottom effectivity) to twenty (the very best effectivity).

What MERV score ought to I get?

As famous above, the reply lies in a number of components. Every air filter has its execs and cons, however each MERV 8 air filters and MERV 11 air filters are acceptable for residential use.

What’s MERV score on filters?

Each air filter could have the MERV score printed on it someplace. The MERV score is there to let you know how environment friendly the air filter is in filtering out particles of sure sizes. This impacts the kinds of air pollution the air filter is ready to seize.

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