“Sanitizing and deodorizing indoor environments are increasingly important as our homes, work, medical, recreational and travel spaces have become better insulated and less ventilated. These indoor spaces are increasingly concentrating chemicals, microorganisms, allergens and odors that contaminate both air and surfaces.1 The result can be unhealthy and unpleasant conditions often referred to as “sick building” syndrome. These health risks are well documented by the Environmental Protection Agency and scientific studies.2,3 We experience them as an increase in fatigue, headaches, irritated eyes and throat, coughing, dizziness, allergies, asthma, and bacterial and viral infections, among other symptoms.”

 

The above is an excerpt from the introduction of an excellent article that runs through many different air quality technologies, the full article can be found here:

http://www.hydroxylnews.com/hydroxyl-news/understanding-how-new-indoor-air-treatment-systems-optimize-indoor-environmental-quality-and-safety/