Indoor Air Quality FAQ

Frequently Asked Questions

If someone in your family has allergies to airborne particulates, they should experience relief when a Fresh Air Exchange Whole Home HEPA WH-500C is installed. If you have a toddler at home, childhood ailments caused by airborne particles should be less of a problem. Older members of your family should breathe more easily. Health professionals widely acknowledge that health improves as the concentrations of indoor airborne particulates decrease.

Many allergies are caused by exposure to airborne allergens including pollen and fungus spores. A Fresh Air Exchange Whole Home HEPA WH-500C Filter captures an amazing 99.97% of the submicroscopic airborne particulates (0.3 microns) and even more of the larger particulates such as pet dander and dust mite feces. If airborne particulates cause your allergies, you should experience relief.

Yes. A Fresh Air Exchange Whole Home HEPA WH-500C can remove about 90% of respiratory damaging particles contained in tobacco smoke. But, smoking in any enclosed space will create gases which can harm others. No particulate filtration system will protect you from cigarette gases!

An improvement in air quality is often apparent within 12 hours of turning on the Fresh Air Exchange Whole Home HEPA WH-500 C Filter.

The Fresh Air Exchange Whole Home HEPA WH-500C is easily installed in any home with a forced air heating system. Should your home use a radiant heat source (electric baseboard or hot water, etc.) a basic air distribution system can be installed which will be very effective.

In an average 2500 square foot home (no basement) all the air in the house passes through the furnace approximately 3 times every hour. With the Fresh Air Exchange Whole Home HEPA WH-500C in a “BY-PASS” configuration, treating about 1/3 of this air continuously, close to 100% of the air in the house will be cleaned every hour. This means a Fresh Air Exchange Whole Home HEPA WH-500C will clean the air in an average home 24 times each day.

Fresh Air Exchange Whole Home HEPA WH-500C Filters contain their own blowers and are normally installed in a “BY-PASS” configuration. This means about 1/5 to 1/3 of the air about to pass through the furnace (or air conditioner) is drawn off, cleaned, and returned to the airstream before the furnace. It will have no effect on the efficiency of your heating system.

When your house is occupied (you’re not away on vacation), the maximum benefit is attained by running the Fresh Air Exchange Whole Home HEPA WH-500C continuously.

Yes. They keep your heating (or cooling) components free from dust and dirt. By trapping large airborne particles they will increase the life of the Fresh Air Exchange Whole Home HEPA WH-500C so that it can do what it does best – trap the very small particles that pass through the furnace filter.

Normally just a semi-annual check to make sure the fan and motor are operating properly. At the same time the pre-filter should be replace (if necessary). Every three to five years it will be necessary to replace the HEPA filter.

No! The Fresh Air Exchange Whole Home HEPA WH-500C Filter removes 99.7% plus of the larger particulates it filters. Visible dust in the home will be greatly reduced.

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Airborne Particulate Facts

The air in your home is much more likely to be polluted than the air outdoors. In fact, it is generally accepted that indoor air can be 50 times more polluted than outdoor air. Your family’s good health may very well depend on you protecting them from an unrelenting attack by the hundreds of millions of airborne particles in your home.

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