Quick Answer: Does MERV 13 Restrict Air Flow?

What MERV rating is a HEPA filter?

Acronym for High-efficiency Particulate Air.

A HEPA filter is ranked between 17-20 MERV; the highest group in MERV ratings.

All HEPA filters are tested and certified to be at least 99.97% efficiency in removing particles as small as 0.3 microns..

Do more expensive air filters work better?

Yes, in general, the more expensive air filters are more effective, but a single person with no pets and allergies might not need as much filtration as a family of five with three pets and a child with asthma. Also consider how long your air filter will last.

How often should you change a MERV 11 filter?

every 6 monthsMERV 8 filters should be changed every 3-4 months, MERV 10 & 11 filters every 6 months and MERV 16 filters every year.

Is a 2 inch filter better than a 1 inch?

When it comes to a 1 inch vs 2 inch furnace filter you could use a 2 inch filter if your vent is deep enough and a 2 inch filter will generally last longer since it has more media.

How long does a MERV 8 filter last?

three to six monthsAnother factor driving the popularity of MERV 8 filters is that they are inexpensive and easily serviced. Depending on the manufacturer they can last three to six months and even up to a year in residential use.

Does higher MERV rating restrict airflow?

Most modern HVAC systems have no problem working with higher MERV filters. If your home has a very old HVAC system, or you use a higher MERV filter and never change it, you could run into airflow problems, but under normal circumstances, you won’t be stressing out your HVAC system that much with a higher MERV filter.

What does MERV 13 air filter mean?

As specified by NAFA, to be labeled as MERV 13, a filter must successfully remove at least 90% of E3 particles, 85% of E2 particles, and 50% of E1 particles. Our Catch All filter removes a minimum average of 97.2% of E3 particles, 85.5% of E2 particles, and 50.2% of E1 particles.

What MERV rating should I get for home?

about 5 to 8Using a filter with a MERV rating of about 5 to 8 is appropriate for most residential homes. MERV 5 – MERV 8 filters provide good filtration and will remove most pollen, mold spores, dust mites, and pet dander.

Does MERV 8 filter virus?

A MERV 8 filter traps pollen and dust, but also dust mites and mold spores. … Lastly, a MERV 13. It is so fine that it traps microscopic viruses and bacteria.

Is MERV 16 a HEPA?

While a MERV 16 filter captures >95% of particles in the entire size range tested (0.3-10.0 microns), a HEPA filter captures 99.97% of particles with a size of 0.3 microns. … HEPA filters can capture many airborne germs, and also nonliving pollutants such as fine particulate matter.

Is MERV 13 too high?

One factor to consider is air flow through the system. … In some cases, using an air filter that is too restrictive for your system may cause low air flow problems as well. MERV 13 is the highest MERV value safe for residential furnaces; the higher ratings are used primarily in commercial units.

Does Merv 8 restrict airflow?

Because they restrict airflow to your HVAC system. Pleated, high-MERV filters definitely capture a lot of pollutants, but they also restrict the movement of air into your blower or furnace. … We recommend avoiding the high-MERV 1″ filters (above MERV 8 is pretty restrictive).

What is a good MERV rating?

What do the MERV ratings mean? In general, air filters with higher MERV ratings remove a higher percentage of airborne contaminants, therefore improving your home’s indoor air quality. … 9-12 MERV – These filters are more efficient and usually offer the best indoor air quality improvement for residential applications.

Are MERV 13 filters bad for HVAC?

MERV 13 pleated filters are also constructed with synthetic media. Excellent filtration however, not suitable for most hvac systems due to air flow resistance. Check with your furnace manufacturer to ensure that your system is designed for this type of filter.

Is MERV 8 good enough?

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.

What is the best air filter for your home?

See our full list of Air Filter RatingsAprilaire. Allergy & Asthma 216.Aprilaire. Healthy Home 213 MERV 13.Aerostar. MERV 13.FilterBuy. MERV 11/Gold.Airx Filters. Health 202001-6 MERV 13.Accumulair. Diamond Filters – APR 1950.Rheem. Dust & Pollen FPR 4.3M Filtrete. 1085D MPR Micro Allergen Extra.More items…•

How often should you change a MERV 13 filter?

every 3 monthsFor Merv 8, 11 and 13 filters, we recommend that you change your filter at least every 3 months, however changing your filter every 2 months provides better filtration which provides healthier and cleaner air in your home.

Is MERV 7 good enough?

For most residential systems, experts suggest using an air filter with a MERV value between 7 and 12. These filters offer adequate filtration and remove common contaminants such as pollen, mold spores, dust, pet dander, and tobacco smoke.

What MERV rating is best for allergies?

Ideally you want to choose a MERV rating of 10 or higher, which are most effective at blocking the particles that cause allergy symptoms.