Growing health risks fuel rise in fresh air systems

Home Inspector with Electrospec Home Inspection Services

(NC)-Respiratory disease is steadily on the rise in Canada. In fact, asthma has increased by 160 per cent over the last 15 years according to the Asthma Society of Canada. One household out of four has a family member who suffers from asthma, allergies, or another chronic respiratory disease.

The Environmental Protection Agency (EPA) points to poor indoor air quality as the culprit for this increase. Did you know the air inside your home and at work can be up to 100 times more polluted than the surrounding outdoor air and people spend up to 90 per cent of their time indoors?

These alarming facts are just some of the reasons why so many Canadians today are turning to air purification systems to help control the level of indoor air pollution in their homes.

There are many types and sizes of air cleaners on the market, ranging from relatively inexpensive tabletop models to sophisticated whole-house systems. Some air cleaners are highly effective at particle removal, while others, including most tabletop models, are effective in only very limited areas, such as a bedroom or living room.



What makes your indoor air quality system effective?

The effectiveness of a system depends on how well it collects pollutants from indoor air throughout the home and how much fresh air it draws through the cleaning or filtering element. The most important factors in determining the effectiveness of an air quality system are its ability to eliminate excess humidity and control indoor air pollution levels. The best way to achieve these goals is to increase the amount of outdoor air coming indoors through ventilation. Proper ventilation allows pollutants that are not eliminated by filtration, such as volatile organic compounds, carbon monoxide and other harmful gases, to escape the home.


New Canadian Technology

The most recent innovation in the industry is an air exchanger manufactured by Canadian-based Venmar Ventilation. Venmar is the first manufacturer of ventilation systems to offer a unit that integrates heat recovery ventilation technology with HEPA filtration at an affordable price.

"With our system you can get the best of both worlds," says Gerry Gagnon, Product and Market Manager for Venmar. "It works to provide fresh air through ventilation and at the same time ensures the best indoor air quality by trapping airborne allergens such as pollen, dust, pet dander, mold and bacteria through its HEPA filter. The HEPA filter traps and removes up to 99.97% of airborne allergens and assists in distributing fresh air throughout the home.


Health Developments

Licensed as a medical device by Health Canada, Venmar's HEPA series units have been found to substantially contribute to improving indoor air quality in dwellings, and may improve the quality of life of individuals with serious respiratory diseases. Individuals who acquire one of these specialized units under prescription may be able to deduct the purchase price from their income tax.


More information on indoor air quality is available at

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