At LakeAir, we recommend MERV 10 filters as our “good” air filter. Please consult with a HVAC professional to find out what MERV rating your system is equipped to handle. The LakeAir HEPA Air Purifiers are rated MERV 16 or better. Air Filter MERV Rating. Because our intention was to focus this study on high-efficiency HVAC filters, i.e., MERV 12 and higher, we selected MERV 12, MERV 13 and MERV 14 fil-ters because these high-efficiency filters are commonly used in homes. An air filter’s MERV rating is a scale from 1-16 that describes the minimum efficiency of the air filter. Four types of residential HVAC filters were investigated in this study. Similarly, if a building's HVAC system can't handle an extremely efficient filter like a HEPA or a MERV 13, then install the best filter that the system can handle. The “Box Fan with a MERV 13 Filter” should be a useful tool in the fight against Covid-19. A MERV 5 filter was selected as a com-parative filter. These are just recommendations. A MERV 15 Air Filters will remove 85-95% of particles the size of 0.3-1.0 microns. One thing we need to make clear – this device is not a HEPA air purifier. Pre filters are rated MERV 2. Our Recommendations. https://www.inc.com/melissa-santoyo/covid-19-air-supply-hvac-air-filters.html The MERV rating system is intended to be used to determine the filter’s ability to remove particulates from the air. He recommends all schools have at least a MERV-13 filter in place in their mechanical filtration systems. We do not have enough information to confirm that a MERV 15 will remove coronavirus. Air Purifiers, Fans, and Filters: A COVID-19 Explainer for Schools. MERV 10, 11, & 13 filters should be changed annually; however, if you run your fan 24/7, check the filters at 6 months. MERV stands for Minimum Efficiency Reporting Value. MERV 13 filters are in short supply in some places. All MERV 16, 213CBN, 413CBN, and 513CBN filters should be changed every 6 months. PEF to Cuomo: Install COVID-blocking air filters for all state workers ... and buildings owned and managed by the Office of General Services are already using MERV-13 rated filters… The furnace filter frames use a M 10 rated level air filter. Though the coronavirus itself usually measures about a … MERV 13 filters capture airborne viruses and bacteria from coughs and sneezes. Our Media Air purifiers use MERV 11 filters. Run … One final way to assist with flu and coronavirus prevention is to install a MERV 13 rated air or furnace filter in your home or business. It does not have a Clean Air Delivery Rate (CADR) which is the standard for measuring the effectiveness of air cleaners. MERV 15 filters are not recommended for residential application. While there's no guarantee a strong air filter will protect you from the coronavirus, clean air helps keep your immune system strong. Some filters may need to be changed more often and others less often. 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