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  2. Air purifier - Wikipedia

    en.wikipedia.org/wiki/Air_purifier

    Ozone generators are designed to produce ozone and are sometimes sold as whole-house air cleaners. Unlike ionizers, ozone generators are intended to produce significant amounts of ozone, a strong oxidant gas which can oxidize many other chemicals. The only safe use of ozone generators is in unoccupied rooms, utilising "shock treatment ...

  3. Are air purifiers really worth it? We asked the experts - AOL

    www.aol.com/lifestyle/are-air-purifiers-worth-it...

    Air quality has hit dangerous levels, and many experts recommend using air purifiers in our homes. Like many of you, we are curious about whether an at-home purifier is worth it and how it works ...

  4. Clean air delivery rate - Wikipedia

    en.wikipedia.org/wiki/Clean_Air_Delivery_Rate

    Whole house air cleaners are not covered by the CADR specification because the measurement is performed in a standard 1,008-cubic-foot (28.5 m 3) room, the size of a typical house room, which has different airflow patterns than whole-house filters. Measurements are made with the filter running and not running, so particles that naturally fall ...

  5. The Best Air Purifiers To Clean The Air Inside Your Home - AOL

    www.aol.com/news/best-air-purifiers-clean-air...

    We asked experts about the importance of improving indoor air quality, then reviewed Consumer Reports to help you figure out what your home needs. The Best Air Purifiers To Clean The Air Inside ...

  6. Heating, ventilation, and air conditioning - Wikipedia

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

    Clean air delivery rate (CADR) is the amount of clean air an air cleaner provides to a room or space. When determining CADR, the amount of airflow in a space is taken into account. For example, an air cleaner with a flow rate of 30 cubic metres (1,000 cu ft) per minute and an efficiency of 50% has a CADR of 15 cubic metres (500 cu ft) per minute.

  7. Indoor air quality - Wikipedia

    en.wikipedia.org/wiki/Indoor_air_quality

    The use of air filters can trap some of the air pollutants. Portable room air cleaners with HEPA filters can be used if ventilation is poor or outside air has high level of PM 2.5. [122] Air filters are used to reduce the amount of dust that reaches the wet coils.