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.
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 MERV 11 good enough?
In most cases, a MERV 11 air filter isn’t too high for residential use. Generally speaking, anything under a MERV 13 air filter should provide very efficient air purification in a home without impacting airflow.
Is MERV 12 good enough?
The higher the MERV rating, the more efficient the air filter is at catching harmful pollutants in your home’s air. … 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.Is MERV 12 bad for 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.
Does MERV 11 filter coronavirus?
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. … By itself, using an upgraded HVAC filter is not enough to protect people from COVID-19.
Can I replace MERV 11 with MERV 12?
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. As you can see, they’re pretty close. That’s why you’re just as good going with a MERV 11 as with a MERV 12. You will get decent results from either.
Can I use MERV 11 in my furnace?
For residential furnaces, filters range from 4 to 12 on the MERV scale. … If your family has health or allergy issues, then you may want to look for a high-efficiency filter that’s MERV 11 or higher.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.
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.
Article first time published onIs there a big difference between MERV 11 and 13?
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.
Do I need a MERV 11 filter?
A home with no pets, smoke, or allergies will do just fine with a MERV value of 1-7. If you have pets or someone in your home has significant allergy problems, you may want to consider a higher MERV value, between 8-10. Homes with smokers or a wood-burning fireplace should have a filter in the MERV 11-13.
Is MERV 11 good for allergies?
Our MERV 11 furnace filters are great for anyone with allergies. Not only do they filter out more contaminants than the MERV 8 filter, but they are an affordable option.
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.
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 13 too high for residential?
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.
How often do you change a MERV 11 filter?
The basic recommendation for furnace filters replacement is every 3-4 months for MERV 8, every 6 months MERV 10 and 11 and every year for MERV 16. There are other several factors to consider when determining when to change your home air filter.
Does air filtration help with Covid?
When used properly, air cleaners and HVAC filters can help reduce airborne contaminants including viruses in a building or small space. By itself, air cleaning or filtration is not enough to protect people from COVID-19.
What MERV level is HEPA?
All HEPA filters have a rating of a MERV 17 or higher. A HEPA filter with a MERV 17 rating will trap 99.97% of air particles that are 0.3-1.0 micron in size and an even better % of particles below 0.3 microns and above (HEPA filters are rated at their worst performance).
Are MERV 13 filters good for face masks?
MERV-13 filters are engineered to effectively block impurities down to sub-micron levels (. 3 microns) with 99.97% efficiency. These filters offer the highest level of face mask insert filtration available, while maintaining breathability. … Thus, MERV-13 is considered by most to be the optimal face mask filter.
What happens if I don't change the air filter in my refrigerator?
If you neglect your fridge air filter, it can get clogged up with particulates. Not only is this unhealthy, but it can also cause your electric bills to go up. When the air filter is impacted, the machine has to work harder to pull in and circulate air.
How often do MERV 13 filters need to be changed?
For 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.
How often do car air filters need to be replaced?
In general, your vehicle’s engine air filter should be inspected/serviced once a year or every 15,000 to 30,000 miles, but this can vary based on the vehicle and your driving environment. If you’re consistently driving through extremely dusty terrain or on unpaved roads, you may need more frequent changes.
What MERV rating can my HVAC handle?
The EPA recommends MERV ratings of 9-12 because it is the most effective at keeping your home’s air clean. A filter with this rating will prevent particulates as small as 1 micron from entering your HVAC system. This rating qualifies as HEPA (high-efficiency particulate absorption) level.
What does MERV 11 mean in air filters?
MERV 11 air filters block at least 65% to 79% of airborne particles in the 1.0 to 3.0-micron size range. And, they’ll provide 85% or better filtration of particles in the 3.0 to 10.0-micron range.
Is a MERV 10 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.
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.
Do HVAC filters remove pollen?
HEPA filters are great at removing large particles from the air, including: dust mites. pollen.
What is best MERV rating for allergies?
Ideally you want to choose a MERV rating of 17 or higher, which are most effective at blocking the particles that cause allergy symptoms.
What MERV rating should I use for allergies?
MERV ratings of 9-11 mean at least 90% particulate resistance. If you suffer from extreme allergies, you’ll want to look for a filter with at least a MERV rating of nine. These filters capture particles as small as one micron. MERV ratings of 12-16 are reserved for rooms that need absolute cleanliness.
