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Merv 11 Air Filter Review

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Merv 11 Air Filter Background

Air filters are an important part of every residence’s HVAC (heating, ventilation, and air-conditioning) system, but of equally vital importance is the MERV rating of the installed air filter. MERV stands for Minimum Efficiency Reporting Value and is a standard that was developed by the American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE).

MERV ratings range from 1 to 16 and are a way of determining the efficiency of an air filter. The higher the MERV rating, the more thoroughly the air filter prevents unwanted particles from passing through it. Air filters with a MERV rating of 6 - 8 are good for the average home but more expensive homes, apartment buildings, and condominiums should use air filters with at least a MERV 11 rating.

MERV 11 Key Features

The reason that these buildings need Merv 11 air filters is that they can filter out pollutants as small as 1 - 3 microns in size. Such pollutants include:

  • Pollen
  • Dust mites
  • Car fumes and smog
  • Mold spores
  • Pet dander
  • Dust/lint
  • Debris
  • These pollutants can cause severe allergic reactions in susceptible individuals.

Performance of MERV 11 Air Filters

MERV 11 air filters 20 x 25 x 5 are perfect for high-end homes and apartments because they can stop pollutants and allergens from spreading to vulnerable individuals. This is important in preventing the propagation of illness and allergy. Allergens can spread quickly and affect multiple people, so it is important that they be filtered out before they proliferate.

MERV 11 air filters can stop this from happening because they can efficiently prevent particulates from spreading throughout the house or building. Pollutants and allergens will get trapped in the air filters and all the residents will be able to breathe easily without worry.

Recommended Users for MERV 11 Air Filters

Pet Owners

Pets with fur or feathers shed tiny particles of skin called dander. These skin particles contain proteins that can cause allergic reactions like coughing, sneezing, eczema, and stuffy/runny nose in allergic individuals. These particulates can circulate throughout the home unless a MERV 11 air filter 20 x 25 x 5 is installed to filter the dander out of the air.

This is of particular importance in apartments and condominiums where pet dander could circulate to allergic individuals who do not own any pets. MERV 11 air filters will prevent such an unfortunate and unwanted occurrence from happening.


An asthma attack can be triggered by dust mites, pet dander, pollen, or chemical fumes. Since an asthma attack is a serious and possibly life-threatening occurrence, especially when one is alone, a MERV 11 air filter is recommended to prevent an attack from happening. If a MERV 11 air filter 20 x 25 x 5 is installed, it will filter out any and all of the asthmatic triggers, reducing the risk of an attack.

Concluding Thoughts on MERV 11 Air Filters

The respiratory health of every individual is important and in a home or apartment, it can be affected by the circulation of air throughout the residence. A MERV 11 air filter will catch the pollutants and allergens that prevent people from breathing freely.

It does not matter if a person is particularly susceptible to pollutants and allergens, a MERV 11 air filter is useful for all residents of any house or apartment building. So, it is important to find out if your home or apartment has a MERV 11 air filter 20 x 25 x 5 installed. If it does not then ensuring that one gets installed should be a high priority for anyone who values their respiratory health and the respiratory health of their loved ones.