Continental Fan’s UDVL Upblast Roof Ventilators are designed to provide aerodynamically efficient performance and a low silhouette design. The ventilators are constructed with a heavy duty welded steel base, galvanized butterfly damper section, and a spark resistant cast aluminum airfoil axial impeller.
Coolerado has launched its M50 Downflow air conditioning unit delivering an Energy Efficiency Ratio (EER) above 40 when used as stand-alone and above 21 when working in concert with DX Roof Top Units (RTU). The company claims the M50 Downflow line was designed for easy installation on commercial roof curbs.
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.