Can I Use MERV 12 Instead of 11? - A Comprehensive Guide

Are you wondering if you can use a MERV 12 filter instead of a MERV 11 filter? If so, you're in the right place. In this article, we'll discuss the differences between MERV 8, 10, 11, and 12 filters and help you decide which one is right for your home. MERV stands for Minimum Efficiency Reporting Value. It's a standard rating system used to measure the effectiveness of air filters.

The higher the MERV rating, the more efficient the filter is at trapping harmful contaminants in your home's air. MERV 9-12 rated filters in this range can trap more than 85% of particles with a size of 3, 0-10 or 0 microns. A MERV 9 will trap less than 50% of particles with a size of 1, 0-3 or 0 microns, the MERV 10 will stop at 64%, the MERV 11 will reach 79% and the MERV 12 is capable of capturing up to 89%. The MERV 12 air filter traps about 89% of particles from the size of 1 to 3 microns and more than 90% of those of the size of 3 to 10 microns.

MERV 11 air filters are slightly more expensive than a standard filter, but paying a few dollars more per filter is usually worth the added efficiency. If you suffer from extreme allergies, you'll want to look for a filter with at least a MERV rating of nine. The same goes for homes with smokers or pets, as MERV 11 air filters better eliminate odors. To help you decide which type of filter is right for your home, let's take a look at a comparison chart that highlights the differences between MERV 8 and MERV 11 filters:

MERV Rating Particle Size Efficiency Particles Trapped
MERV 8 50-65% 1.0-3.0 microns
MERV 11 85-90% 1.0-3.0 microns

As you can see from the chart above, MERV 11 filters are much more efficient than MERV 8 filters when it comes to trapping particles in your home's air. However, it's important to note that using an air filter with a MERV rating that is too high can damage the compressor, heat exchanger and air conditioner coil. In conclusion, if you're looking for an air filter that will provide maximum protection against harmful contaminants in your home's air, then you should consider using a MERV 11 filter.

Although these filters are slightly more expensive than standard filters, they are worth the added cost due to their superior efficiency. So if you're still wondering if you can use a MERV 12 instead of an 11 - yes, you can! But keep in mind that it may not be necessary for your particular situation.

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