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?

Filters within a MERV rating of 17-20 are almost never necessary in a residential home. A MERV rating of 13-16 is considered hospital level air quality, so it is unlikely your home needs any more than that.

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.

Will MERV 12 hurt my furnace?

The short answer is this: The best MERV rating for your heating and air conditioning equipment is the MERV recommended by the manufacturer. It’s usually in the range of 8-12 MERV. … When in doubt, choose a MERV 8 to MERV 10 filter rated for high airflow, so it won’t damage your furnace or air handler.

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What does MERV 12 mean on air filters?

A filter with a MERV rating of nine to 12 captures particles greater than one micrometer. This includes most dust and common pollutants. … A filter with a MERV rating of 13 to 16 captures particles greater than 0.3 micrometers. This includes bacteria, droplets from sneezing, smoke, and most other sources of pollution.

What is the difference between MERV 11 and MERV 12?

Luckily, MERV 11-rated filters handle those particles — such as pet hair and dust mites — with ease. … 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.

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.

Is MERV 12 or 13 better?

Filters with a MERV 13-16 value are the most restrictive and can trap the smallest particles like bacteria, tobacco smoke, and burning wood. … MERV 13-16 filters are capable of trapping 90% or more of particles in the 1.0-10.0 micron range.

Is MERV 13 too restrictive?

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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What is the difference between MERV 8 and MERV 12?

MERV 5–8 (good): These filters are better at catching small particles (3–10 microns) like mold spores, hair spray, dust mites and animal dander. MERV 9–12 (better): The best option for residential use. … Particles this small include bacteria, tobacco smoke and even the contaminants in sneezes.

Are Aerostar filters good?

Aerostar MERV 13 Pleated Furnace Filters

It’s suitable for people with allergies, and especially for the ones suffering from asthma. The efficiency of this product is mainly because of the high MERV rating and its sturdy construction.

What is MERV rating for Covid?

What kind of filter should I use in my home HVAC system to help protect my family from COVID-19? Minimum Efficiency Reporting Values, or MERV, reports a filter’s ability to capture particles. Filters with MERV-13 or higher ratings can trap smaller particles, including viruses.

What is the best MERV rating for home use?

As a general rule, residences do not use higher than MERV 8 filters. We do recommend that everyone uses filters that have at least an 8 MERV rating. These filters will remove the majority of pollutants from your indoor air.

Is MERV 11 or 13 better?

A MERV 11 rated furnace filter can trap the majority of harmful contaminants that are present in the air. … A MERV 13 filter is capable of filtering out all particle impurities like dust, lint, pollen, mold, dust mites, pet dander, smog, and smoke. On top of this, it can also trap bacteria and viruses.

Is MERV 11 bad for HVAC?

A MERV 11 air filter has a higher efficiency rating. … In particular, using an air filter with a MERV rating that’s too high can damage the compressor, heat exchanger, and air conditioner coil. In most cases, a MERV 11 air filter isn’t too high for residential use.

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Does MERV 12 filter smoke?

Controls all of the contaminants listed for MERV 1-12 above, in addition to bacteria, tobacco smoke, automobile fumes, sneeze particles, insecticide dust, copier ink fumes, pet dander, and cosmetic dust.