Are there any “warning signs” that indoor air problems are developing?
Yes. There are a number of indicators that signal the potential presence of indoor air quality problems. The occupants of the building will probably provide the first clues when maintenance and cleaning procedures are not in place. Headaches, fatigue, shortness of breath, sinus congestion, coughing, sneezing, eye/nose/throat irritation, skin irritation, dizziness or nausea with any consistency or regularity are all symptoms that can be related to indoor air quality problems. Your doctor can rule out or diagnose seasonal allergies, however, you are in charge of your health and your home. If you know or suspect that your symptoms are worse when at specific locations, you should suggest to have the building evaluated for indoor air problems. Other indicators include visible growth of moulds or mildew, or persistent odours from moulds or mildew; fumes or other chemical odours; water standing in and around the building or the heating and air conditioning equipment; visible contamination in