Following the energy crisis of the 1970s, we tended to insulate our homes and make them airtight. The results are? Our homes are more economical to heat and cool because heat losses and infiltrations are reduced to a minimum. The consequences are? Everything produced inside the home remains inside and accumulates resulting in the deterioration of indoor air quality.
More and more illnesses are associated with poor indoor air quality. We have only to think of the growing number of asthma and allergy cases. The air we breathe is contaminated by all types of gases, dust and bacteria. In addition, we consume oxygen and produce gases and humidity, while not renewing the oxygen consumed. Here are just a few example of product that contaminate the air we breathe.