What type of air filters capture and trap the most particles leaving the air cleaner?

The most effective air purifiers equipped with a HEPA filter are capable of capturing 99.97 percent of particles as small as 0.3 microns. That means they are efficient at capturing dust particles and can even capture dust mites that are much smaller and often too small to see with the naked eye. CADR indicates the volume of filtered air delivered by an air purifier per unit of time, with three separate scores for smoke, pollen and dust, representing different particle sizes. The most efficient way to filter home air is through your home's forced air heating system or central air conditioning system.

Growing concern about indoor air pollutants, from dust to smoke to viruses, has made air purifiers increasingly popular. What Air Purifiers Don't Do An air purifier can eliminate allergens only while they are floating in the air. Some air purifiers control dust better than others, depending on the technology and filter system. Filtering air filters pass air through a filter, where polluting particles or gases are sequestered, and return clean air to the room.

Multiple studies of room air purifiers show that the use of HEPA filters results in reductions of 50 percent or more in particulate matter. The EPA does not recommend the routine use of DIY air purifiers as a permanent alternative to products of known performance (such as commercially available portable air purifiers). These particle counters can detect how polluted the air is and automatically adjust the cleaning speed of the air cleaner accordingly. Some air filters are hybrids that combine both methods, and some include activated carbon elements to combat odor.

Air purifiers cannot eliminate larger allergens, dust mites and pet hair, for example, that settle on furniture and carpets, unless they are altered and redistributed in The best way to improve indoor air quality is to eliminate sources of pollutants and ventilate with air fresh and clean exterior. Imagine a stack of oven filters about 8 inches thick and you have the idea of an extended media filter. If pollen or related allergies prevent you from opening windows, operate the air conditioner or forced air cooling system with a clean air filter. HVAC systems in large buildings typically filter air before it is distributed throughout the building, so consider upgrading HVAC filters as appropriate for your specific building and HVAC system (consult an HVAC professional).

DIY air purifiers can provide some benefits for reducing concentrations of viruses and other indoor air pollutants, but research is limited and there are several important considerations explained below.

Dianne Katzenberger
Dianne Katzenberger

Hardcore pop culture specialist. Extreme entrepreneur. Typical zombie specialist. Passionate twitter geek. Award-winning coffee maven.

Leave Message

All fileds with * are required