IAQ problems in U.S. schools
Research shows that one in five U.S. schools have IAQ problems, affecting more than 8 million students, according to the U.S. government research outlined in an article published in “IAQ Applications” by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE).
Problems can include drowsiness, lack of concentration, and headaches, which affect students’ comprehension and motivation.
Charlene Bayer, a researcher with Georgia Tech Research Institute, suggests that most IAQ problems in schools can be avoided by:
- Providing an adequate amount of outdoor air on a continuous basis;
- Controlling humidity in the space so that it is usually between 30% and 60% rh; and
- Providing a level of particulate filtration efficiency for outdoor air adequate to prohibit most mold spores and fungi from entering the hvac system.
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