Trane Air Cleaners

Last Updated: 04/2/2006 Site always under construction. Please address comments about this site to: reclaimer@sigecom.net Copyrighted 2003 By: E. L. Walters

"Indoor Air Facts - Residential Air Cleaners"

Air cleaning is one of three methods of reducing pollutants in indoor air. In order of effectiveness, the three methods are:

Removal of the source or control of its emissions
Ventilation
Air cleaning.

Air cleaning can be used as an adjunct to source control and ventilation. However, air cleaning alone cannot adequately remove all of the pollutants typically found in indoor air.

Many factors need to be considered in determining whether use of an air cleaner is appropriate in a particular setting. Therefore, the decision whether or not to use an air cleaner is left to the individual. EPA has not taken a position either for or against the use of these devices in the home.

Air cleaners may reduce the health effects from some particles - small solid or liquid substances suspended in air, such as dust or light spray mists.

Some air cleaners, under the right conditions, can effectively remove certain respirable-size particles (for example, tobacco smoke particles). These invisible particles are of concern because they can be inhaled deeply into the lungs. Removing such particles may reduce associated health effects in exposed people. These effects may range from eye and lung irritation to more serious effects such as cancer and decreased lung function.

Some controversy exists about whether air cleaners can reduce the allergic reactions produced by larger particles such as pollen, house dust allergens, some molds, and animal dander. Most of these particles are found where they settle on surfaces in the home, rather than in the air. They cannot be removed by an air cleaner unless disturbed and re-suspended in the air.

Air cleaners that do not contain special media, such as activated carbon or alumina, will not remove gaseous pollutants, including radon, or reduce their associated health effects. Whether air cleaners that contain these media are effective in reducing health risks from gaseous pollutants cannot be adequately assessed at this time. In addition, the effectiveness of air cleaners in reducing the health risks from radon progeny (decay products) cannot be adequately evaluated at present. The removal of gaseous pollutants and radon and its progeny is not addressed further in this fact sheet. Health effects from these pollutants may be serious, however, and they are of concern in indoor air.

Should You Use An Air Cleaner?

Will Air Cleaning Reduce Health Effects?

Some air cleaners may be installed in the ducts which are part of central heating or air-conditioning systems in homes. Portable air cleaners stand alone in a room.

Types of air cleaners include:

Mechanical filters, similar to, and including, the typical furnace filter.
Electronic air cleaners (for example, electrostatic precipitators) which trap charged particles using an electrical field.
Ion generators which act by charging the particles in a room. The charged particles are then attracted to walls, floors, draperies, etc. or a charged collector. "Hybrid" devices, which contain two or more of the particle removal devices discussed above.
The New TRANE CleanEffects Air Cleaner.

Will Air Cleaning Reduce Health Effects?

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The Aprilaire� Spacegard Media Air Cleaner

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