Continental Fan’s new EC Motorized Impellers combine the efficiency of a backward curved impeller with the advanced technology of an electronically commutated (EC) external rotor motor. According to the company, the reduced power consumption of the high efficiency motor directly translates to savings.
Mammoth has launched a new water source heat pump line, HydroBank MS, designed specifically for developer, new construction, and replacement markets where compact design and a low first cost are primary considerations. The company says its new HydroBank MS design is characterized by its small cabinet size and by features that make it easy to install and service.
Rosenberg introduced its new electronically commutated Unobox fans for data center cooling retrofits. The company has now expanded the Unobox line to include standard AC models for use in harsh environments or where variable frequency drives are already employed.
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.