Rotobrush® International LLC has developed RotoFresh®. RotoFresh is an odor neutralizer that is designed for use in the air duct system. The gel is packaged in a tub that can placed in the return air ducts or near the source of the odor, and combats foul odors caused by mold, mildew, smoke, sewers, and toxic chemicals and other odors that can develop over time.
Camfil has released an entirely new filter technology for the efficient removal of both particulate and odors. Camfil City-Flo XL was engineered to meet the high air quality standards of today’s green buildings. It is ideal for use in offices, retail locations, the hospitality industry, schools, and other public facilities.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.