Is merv 8 good enough for allergies?

The difference of merv 8 When you change from a cheap fiberglass air filter to a MERV 8 filter, you add a lot more protection. In MERV 8 you are now trapping and trapping the dangerous allergens that cause outbreaks for most allergy sufferers. Mites are the real reason most people are allergic to dust. A MERV 8 filter is enough for an ordinary home because these filters cover common allergens such as pollen and mold.

They also block products commonly used in homes, such as cleaning products and hairspray. Based on the characteristics mentioned above, a MERV 8 is considered superior filtration compared to air filters with a lower MERV rating. But is that enough leakage? In many cases, a MERV 8 air filter is more than adequate. However, if you are concerned about outdoor air pollution, family members with respiratory problems, pets are in the house, then choosing a higher merv rating might be a good idea.

MERV ratings of 5-8 mean 85-90% of particulates will be trapped in the filter. This is the most common type of filter recommended by HVAC technicians, but it does not capture all allergens. Even so, these filters can be up to eight times more effective than fiberglass filters. Are you thinking of using a MERV 8 filter? Before you buy one, there are a few things you should know.

While these filters trap pollen, dust, mold and other basic air pollutants, they're not ideal if you have allergies or pets. In addition, if you live close to smoke pollution, we recommend that you choose a filter with a higher MERV rating. In simple terms, it sets the minimum amount of particulate matter that a filter must capture to obtain a specific MERV rating. Use a MERV 8 to 13 filter, depending on your family's needs and environment, and start using an indoor air quality monitor to help you determine if a separate air purification system is needed.

It is also not too demanding on a typical HVAC system because as the MERV increases, the airflow it allows decreases. The MERV system has values ranging from 1 to 20, and the higher number means a more extensive filtration. To determine the MERV, the performance of an air filter is determined by measuring the particle counts upstream and downstream of the filter being tested. The same goes for households with smokers or pets, as Merv 11 air filters are better at eliminating odors.

MERVs 9 through 12 are commonly found in locations that need additional filtration due to the presence of small particle contaminants. If you're shopping in the United States, you've probably noticed that MERV 8 filters are the most common on shelves. Merv ratings quantify the ability to filter particles, and the particles in question are between 0.3 and 10 microns (source). If you're still unsure which MERV rated filter is best for your home, talk to an HVAC expert who will guide you to the right selection.

MERV 1 to 4: Effective in controlling larger particles such as sanding dust, spray paint dust, lint and carpet fibers. Filter technology has grown by leaps and bounds over the years, and MERV ratings are designed to help us determine the most effective and efficient air filter options for heating and cooling systems and more. The MERV rating system is designed to determine the filter's ability to remove particulate matter from the air. If you suffer from extreme allergies, you'll want to look for a filter with at least a MERV rating of nine.

Since a high MERV rating means more particulates will be removed from the air, you can first think about using air filters with the highest MERV rating. MERV ratings of 1 to 4 mean that the filter will only trap particles at least 10 microns in diameter, which could trap some larger pollen particles, but not most. .

AnnMarie Noland
AnnMarie Noland

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