What Does Merv Mean For Filters

MERV may look like a misspelling of the name Marv, simply these four letters are vital for agreement the air filters in HVAC systems designed to trap particles from circulating through a building. Not all filters are the same: the simple panel filter on your HVAC cabinet is designed to stop large contaminants like dust and lint from getting into the system, while the HEPA filters used in hospitals are powerful enough to finish the movement of leaner and viruses. MERV is the rating that explains the filtration power of the filter. The higher the MERV rating, the tighter the filter weave.

Minimum Efficiency Reporting Value

MERV is an acronym for Minimum Efficiency Reporting Value, which is a standard rating of the overall effectiveness of a filter. It specifically measures how fine the filtration is, i.e. how small the particles are that the filter can trap.

The MERV rating scale is from ane to twenty. In most homes and other residential buildings, MERV filters autumn in the 1 to 13 range, although the filters used in HVAC system to benefit air quality are rarely lower than MERV 8. Ratings of xiv to xx are used in health care and industrial facilities that require extremely fine filtration.

"Why Not Purchase the Highest MERV Filter I Can Beget?"

This question is the reason you need to rely on professional HVAC services in Staten Island, NY. It's tempting to think higher MERV is automatically the ameliorate selection, no matter the purpose. Merely at that place's a downside to a tighter filter weave, such as HEPA filters with MERV xiv. A tight weave puts more resistance against airflow. The harmful particles may not get through, but the air won't get through either! This tin exist disastrous for the HVAC organisation, since it raises pressure level in the ventilation organization and damages the blower fan. Plus, cooled and heated air won't exist able to attain the rooms.

To detect the air filtration organization for your dwelling house that volition eliminate the specific contaminants y'all're dealing with while still allowing the HVAC system to work as intended, you'll need to work with indoor air quality experts.

The simplest filters, such as the plastic washable ones found in window air conditioners, are MERV 1–4. The 5–7 range is considered "amend residential," and includes the panel filters and pleated filters used in HVAC systems. These are the blazon you lot can change yourself every few months. They don't clean your air, but they volition protect the interior of your Air-conditioning and heater.

The best residential filters get-go with MERV 8. These filters can cease particles from 1.0 to 3.0 microns in size. In many homes, this is sufficient for handling most typical contaminants, from dust to automobile emissions and lead dust. Going above MERV 14 puts the filter in the commercial category, and most residential HVAC systems can't handle them.

You probably accept many other questions you want answered near the best air filtration and purification for your dwelling. Call our experts and nosotros'll be glad to answer them and schedule filter installation.

Serving Staten Island's Heating and A/C needs since 1955—Bob Mims Heating & Air Conditioning. Schedule air filter service with u.s.a..

Tags: Air Filters, Air Filtration, Staten Island
Monday, July 29th, 2019 at eleven:00 am | Categories: Indoor Air Quality |