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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 .
If you are looking to supplement the work of your air purifier or see if you can get by without one, we recommended trying these steps to help reduce indoor air irritants:
Seasonal Affective Disorder (SAD) is more common in winter due to the lack of sunlight, causing sleep disturbances. Dry air in winter can lead to discomfort and increased risk of illness. 3 Winter ...
Risks from the Covid-19 pandemic and increasingly intense wildfire seasons sparked interest in air purifiers as a tool to keep indoor air healthy. But experts say they can be just as important to ...
Low humidity may occur in hot, dry desert climates, or indoors in artificially heated spaces. In winter, especially when cold outside air is heated indoors, the humidity may drop to as low as 10–20%. A relative humidity of 30% to 50% is recommended for most homes. [1]
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.
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Air conditioning equipment will reduce the absolute humidity of the air processed by the system if the surface of the evaporator coil is significantly cooler than the dew point of the surrounding air. An air conditioner designed for an occupied space will typically achieve a 30% to 60% relative humidity in the occupied space.