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2. The best air purifiers of 2025 - AOL

   www.aol.com/lifestyle/best-air-purifiers...

   One of tallest (nearly 24 inches) and heaviest (17.5 pounds) air purifiers tested, the Winix 5500-2 Air Purifier is ideal for small-to-medium rooms (up to 360 square feet), with a True HEPA filter ...

3. Corsi–Rosenthal Box - Wikipedia

   en.wikipedia.org/wiki/Corsi–Rosenthal_Box

   An example of a homemade unit. The Corsi–Rosenthal Box is a design for a do-it-yourself air purifier that can be built comparatively inexpensively. It consists of four [1] or five [2] [3] HVAC particulate air filters that form a cube and a box fan to draw air through the filters.

4. Dust collector - Wikipedia

   en.wikipedia.org/wiki/Dust_collector

   A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle high-volume dust loads, a dust collector system consists of a blower, dust filter, a filter-cleaning system, and a dust receptacle or dust removal system.

5. Electrostatic precipitator - Wikipedia

   en.wikipedia.org/wiki/Electrostatic_precipitator

   A study by the Canada Mortgage and Housing Corporation testing a variety of forced-air furnace filters found that ESP filters provided the best, and most cost-effective means of cleaning air using a forced-air system. [17] The first portable electrostatic air filter systems for homes was marketed in 1954 by Raytheon. [18]

6. Air purifier - Wikipedia

   en.wikipedia.org/wiki/Air_purifier

   An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .

7. 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 ...