Is MERV 11 or 13 better?
MERV 11 furnace filters have a particle arrestance of a little over 90%. In comparison, MERV 13 HVAC filters have a particle arrestance of around 98%. Naturally, it is significantly more efficient. MERV 11 rated air filters are ideal for those who live in a moderately polluted area, have mild allergies, or own a pet.
What is the difference between MERV 11 and 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%.
What is the difference between MERV 8 and MERV 11?
MERV 8 vs MERV 11 AIR FLOW Fine air particles are 2.5 microns and smaller. At that size, the air particles can get into lung tissue and enter the bloodstream. MERV 11 air filters can filter out a large percentage of fine particles, but a MERV 8 air filter can’t.
What is a MERV rating?
Minimum Efficiency Reporting Values, or MERVs, report a filter’s ability to capture larger particles between 0.3 and 10 microns (µm). This value is helpful in comparing the performance of different filters.
Will MERV 13 filter coronavirus?
What kind of filter should I use in my home HVAC system to help protect my family from COVID-19? 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.
Will MERV 11 filter hurt my furnace?
The short answer is that it can, but it’s not really an issue except under extreme circumstances. Most modern HVAC systems have no problem working with higher MERV filters, which is why millions of homeowners depend on them.
Is MERV 11 OK for my furnace?
Increased usage can lead to more wear and tear, so make sure to regularly maintain your furnace. MERV 11 filters however, are not considered to be too high for residential use. Anything higher than a MERV 11 is designed for commercial or households with family members suffering from respiratory issues.
Do MERV 13 filters stop Covid 19?