Greenheck’s new ceiling exhaust fan Models SP-80 and SP-110 feature energy efficient EC motor technology. According to the company, they have been designed for nearly silent operation. An adjustable low-cfm setting allows precise adjustment to prevent over-ventilating and maximize efficiency, while an adjustable time delay sets how long the fan will run on high speed before returning to a continuous lower speed.
Baltimore Aircoil Company has launched the new Series 1500 Cooling Tower. The company says its Series 1500 Cooling Tower is one of the most serviceable units without compromising performance and fit. The cooling tower has capacity increases of up to 13%, new configurations almost doubling the tonnage range, reduced sound solutions, 26% reduction in annual maintenance costs, and reliable year-round operation.
Strobic Air has expanded its fume exhaust offering to include the new Mono-Stack fan which incorporates efficient nozzle design and high plume dispersion for pollution abatement, re-entrainment prevention, odor control, and energy recovery.
Seresco USA Inc. has expanded its Protocol NP-Series line of indoor swimming pool dehumidifiers to accommodate sizes of 90- to 140-ton units. A recent 25% capacity expansion to Seresco’s Ottawa, Ontario-based manufacturing factory helped facilitate an additional production line and satisfy a 40% increased demand for the newly-cataloged item.
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.