The future of indoor air quality (IAQ). Part 2 covers microbial contamination of vents, cleaning to stop growth and the effects on your indoor air quality.
Does your HVAC system need preventative maintenance? See the surprising differences between what competing contractors have to say in this HVAC and Air Quality article.
Air quality guide that shows the relationship between indoor air contamination and patient infection rate in healthcare facilities. Includes additional important information on indoor air pollution.