“The higher the MERV rating the better.” Is this true?

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Not always, and here’s why: the higher the MERV rating, the higher the filtration capacity and that means the smaller the pores that allow air to flow through your air filter. Using a MERV 11 or 13 filter for your home’s HVAC system might create resistance in airflow and this can lead to the creation of pressure on your fan. Not to mention that filters with higher ratings will also have to be cleaned and changed more often.

According to MervFilters.com, choosing a MERV 11 or MERV 13 filter will not really improve the indoor air quality of your home. The common dirt, bacteria, and potentially harmful pollutants found at home can be filtered and prevented by a MERV 8 filter so don’t bother spending too much just because the rating is higher. Your home is better off with MERV 8 filters for your HVAC and air conditioning systems because filters with higher ratings are more used in commercial facilities like hospitals and schools. Merv 8 filters will do a fantastic job in keeping the air free from pet hair so you won’t have to worry about that as well.

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