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  2. HEPA - Wikipedia

    en.wikipedia.org/wiki/HEPA

    HEPA (/ ˈ h ɛ p ə /, high-efficiency particulate air) filter, [1] also known as high-efficiency particulate absorbing filter [citation needed] and high-efficiency particulate arrestance filter, [2] is an efficiency standard of air filters. [3] Filters meeting the HEPA standard must satisfy certain levels of efficiency.

  3. Air filter - Wikipedia

    en.wikipedia.org/wiki/Air_filter

    High efficiency particulate arrester (HEPA), [2] [3] originally called high-efficiency particulate absorber but also sometimes called high-efficiency particulate arresting or high-efficiency particulate arrestance, is a type of air filter. Filters meeting the HEPA standard have many applications, including use in clean rooms for IC fabrication ...

  4. Minimum efficiency reporting value - Wikipedia

    en.wikipedia.org/wiki/Minimum_Efficiency...

    Minimum Efficiency Reporting Value, commonly known as MERV, is a measurement scale designed in 1987 by the American Society of Heating, Refrigerating and Air-Conditioning Engineers ( ASHRAE) to report the effectiveness of air filters in more detail than other ratings. For example, often a high-efficiency particulate air ( HEPA) filter is ...

  5. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Air handling unit, used for heating, cooling, and filtering the air. Air cleaning and filtration removes particles, contaminants, vapors and gases from the air. The filtered and cleaned air then is used in heating, ventilation, and air conditioning. Air cleaning and filtration should be taken in account when protecting our building environments ...

  6. Boise’s air is not just bad — it’s dangerous. How ... - AOL

    www.aol.com/boise-air-not-just-bad-003021056.html

    Put a high-quality air filter in your furnace and air-conditioning system. ... MERV is short for minimum efficiency rating value. The higher the rating, the costlier the filter is likely to be. A ...

  7. Forced-air gas - Wikipedia

    en.wikipedia.org/wiki/Forced-air_gas

    Gas-fired forced-air furnaces have a burner in the furnace fuelled by natural gas. A blower forces cold air through a heat exchanger and then through duct-work that distributes the hot air through the building. [2] Each room has an outlet from the duct system, often mounted in the floor or low on the wall – some rooms will also have an ...

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