Out With the Mold, In With the New.(indoor air quality)(Brief Article)

UVC and healthier HVAC systems

Since indoor air quality (IAQ) first emerged as an important issue some 20 years ago, SBS (Sick Building Syndrome) and BRI (Building-Related Illness) incidents have become more rather than less commonplace. The problem is that very small biological particles, including mold and bacteria, can reproduce in a facility's cooling coil plenum and drain pan, just downstream of the filter bank. This problem is well-known and is typically dealt with by chemical cleaning of the coils, drain pans, and ductwork downstream of the coil. However, a new and more effective control strategy has recently emerged: the use of high output ultraviolet lights …