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Monday, October 21, 2013

Homeowners who want to improve indoor air quality (IAQ) have several options to mitigate the problems associated with bad indoor air. The first step in selecting the best air purifier for your home is to identify the issues you face.

Most Common Residential IAQ Issues

Airborne particulates

Dust, pet dander, and pollen often top the list for the need for better indoor air. While the filter for your home's forced-air system traps some of the particulates, smaller ones pass through the filter. The top air purifiers are whole-house systems that can trap all but the smallest particles.

Some central air cleaners use UV lights that are installed near the evaporator coil and /or in your drip pan, helping to keep these areas free of mold and bacteria. Learn more about airborne particles and eliminating the risk of mold growing inside your home's ductwork.


Some gases can be removed with the best air purifiers that use a charcoal filter. Volatile organic compounds (VOCs) come from a wide variety of products like new upholstery, flooring, paint and cleaning products and charcoal filters will absorb some of them.

Not all harmful gases can be eliminated by these charcoal filters, but offending gases can be diluted with heat recovery ventilators (HRVs). These devices employ technology that recovers the energy from outgoing air and transfers it to the incoming air to keep energy bills lower. You'll have fresh indoor air with lower concentrations of VOCs and other gases.


Humidity or the lack of it can cause physical distress. If isolated zones in your home are too humid in the summer, a dehumidifier will help remove what your air conditioner doesn't. Adding humidity in the winter with a humidifier may also improve IAQ.

Both Carrier and Bryant make HRVs and whole-house air purifier systems that will improve your IAQ on an ongoing basis. For help choosing the best system for your home, contact We provide trusted HVAC services for Chicagoland, northwestern Indiana and southwestern Michigan homeowners.

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