Is MERV 12 too high?
9-12 MERV – These filters are more efficient and usually offer the best indoor air quality improvement for residential applications. Deep pleated filters fall into this category. Because they work so well at removing airborne pollutants, they must be regularly checked to ensure proper 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.
Can I use a MERV 12 filter in 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.
Can I use MERV 12 instead of MERV 11?
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 12 in my house?
A filter with a MERV rating of around 10 to 12 is sufficient to remove most allergy-causing particles from your home’s air. Most air filters that are able to remove common allergens will have the word “allergy” or “allergen” on their packaging.
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.
Does MERV 12 filter wildfire smoke?
Higher efficiency filters (MERV 9–12) will work even better, and a true high efficiency filter (MERV 13–16) can remove as much as 95% of the particles that pass through it.
What does MERV 12 filter out?
What is a MERV rating?
|MERV Rating||Average Particle Size Efficiency in Microns|
|10||1.0 – 3.0 50% – 64.9%, 3.0 – 10.0 85% or greater|
|12||1.0 – 3.0 80% – 89.9%, 3.0 – 10.0 90% or greater|
|14||0.3 – 1.0 75% – 84%, 1.0 – 3.0 90% or greater|
|16||0.3 – 1.0 75% or greater|
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.
What is the difference between MERV 12 and 13?
WHAT DOES MERV OR MERV RATING MEAN?
|MERV VALUE||The filter will trap Average Particle Size Efficiency 0.3 – 1.0 Micron||The filter will trap Average Particle Size Efficiency 1.0 – 3.0 Micron|
|MERV 12||–||80% – 89%|
|MERV 13||Less than 75%||90% or better|
|MERV 14||75% – 84%||90% or better|
|MERV 15||85% – 94%||90% or better|
What MERV rating is best for home use?
According to the ASHRAE, the best rating for residential HVAC systems is MERV 13. But before you upgrade your filter, make sure your specific system can accommodate that rating. A higher MERV rating often means lower airflow, which can cause the system to work harder—use more energy—to do its job.
Is MERV 10 better than MERV 12?
MERV rating 9-12
A MERV 9 will trap less than 50% of particles sized 1.0-3.0 microns, MERV 10 will stop up to 64%, MERV 11 will get up to 79%, and MERV 12 is capable of catching up to 89%.