how to evaluate air purifier?
How to evaluate air purifier? Before you resort to buying an air purifier, try some simple steps to reduce indoor air irritants,including: Vacuum often and thoroughly with a vacuum with HEPA filtration. Ban smoking indoors. Maintain your heating and cooling equipment and change air filters regularly. Minimize use of candles and wood fires. Use exhaust fans in kitchen, bath, and laundry areas. Don't store chemicals, solvents, glues, or pesticides near your living quarters. If pollen or related allergies keep you from opening windows, run your air conditioner or forced-air cooling system with a clean air filter. The Pros and Cons Pros: They’re portable—most room air purifiers weigh from 10 to 20 pounds, have a handle, and stand on the floor or on a table, while heavier models might have wheels. Many have a high-efficiency particulate air (HEPA) filter, which can capture ultrafine particles. Keep in mind: Most HEPA filters need to be replaced annually, an expense...