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  2. Corsi–Rosenthal Box - Wikipedia

    en.wikipedia.org/wiki/Corsi–Rosenthal_Box

    Based on the cost of their design, this output amounted to $0.08 per CADR, or roughly ten times cheaper than commercial air purifiers, with quieter operation. [ 3 ] A study of a home-built air purifier to remove wildfire smoke, using a box fan and filter mounted in a window, showed that particulate matter between 1 and 10 μm in size was ...

  3. 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 .

  4. The 6 Best Air Purifiers for Any Room in the House - AOL

    www.aol.com/6-best-air-purifiers-room-191000792.html

    Airmega AP-1512HH True HEPA Air Purifier. Small but mighty, this little Coway air purifier is ideal for apartments, dorms, and close quarters. It is designed to clean spaces up to 361 square feet ...

  5. Commentary: A DIY air purifier that costs under $100 to make ...

    www.aol.com/news/commentary-diy-air-purifier...

    An ingenious open-source design lets anyone build an efficient air filtering system using filters, a fan, some duct tape, and cardboard. Commentary: A DIY air purifier that costs under $100 to ...

  6. The 6 Best Air Purifiers for Any Room in the House - AOL

    www.aol.com/lifestyle/6-best-air-purifiers-room...

    These quiet and effective air purifiers are the best of 2023. Check out the expert-recommended air purifiers that clean out allergens, mold spores, & more. The 6 Best Air Purifiers for Any Room in ...

  7. Air source heat pump - Wikipedia

    en.wikipedia.org/wiki/Air_source_heat_pump

    Air-to-air heat pumps provide hot or cold air directly to rooms, but do not usually provide hot water. Air-to-water heat pumps use radiators or underfloor heating to heat a whole house and are often also used to provide domestic hot water. An ASHP can typically gain 4 kWh thermal energy from 1 kWh electric energy.

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