Pre filters are rated MERV 2. An air filter’s MERV rating is a scale from 1-16 that describes the minimum efficiency of the air filter. 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… MERV stands for Minimum Efficiency Reporting Value. Run … Air Filter MERV Rating. MERV 13 filters are in short supply in some places. MERV 15 filters are not recommended for residential application. Though the coronavirus itself usually measures about a … All MERV 16, 213CBN, 413CBN, and 513CBN filters should be changed every 6 months. If you can’t find a MERV 13 filter, then it’s okay to use whatever one is available to you (eg, a MERV 11 or a MERV 9 filter) It does increase the noise level in the room, so if you need to shut it off to hear, that’s okay. MERV 10, 11, & 13 filters should be changed annually; however, if you run your fan 24/7, check the filters at 6 months. We do not have enough information to confirm that a MERV 15 will remove coronavirus. Our Media Air purifiers use MERV 11 filters. The good news is that researchers believe the coronavirus is pretty easy to trap in existing high-performance mechanical filters. Our Recommendations. 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. At LakeAir, we recommend MERV 10 filters as our “good” air filter. The LakeAir HEPA Air Purifiers are rated MERV 16 or better. 2. While there's no guarantee a strong air filter will protect you from the coronavirus, clean air helps keep your immune system strong. MERV 13 filters capture airborne viruses and bacteria from coughs and sneezes. Some filters may need to be changed more often and others less often. Please consult with a HVAC professional to find out what MERV rating your system is equipped to handle. The MERV rating system is intended to be used to determine the filter’s ability to remove particulates from the air. Four types of residential HVAC filters were investigated in this study. Air Purifiers, Fans, and Filters: A COVID-19 Explainer for Schools. These are just recommendations. https://www.inc.com/melissa-santoyo/covid-19-air-supply-hvac-air-filters.html 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. 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 furnace filter frames use a M 10 rated level air filter. It does not have a Clean Air Delivery Rate (CADR) which is the standard for measuring the effectiveness of air cleaners. 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