Technical Systems (TSI), a division of RAE Corporation, has announced the availability of its Series 35 Evaporative Cooled Chillers. The company says the chillers have been specifically designed to provide-highly efficient cooling for commercial and industrial-duty applications.
Mitsubishi Electric says it has made significant enhancements to its Variable Refrigerant Flow (VRF) zoning R2-Series and Y-Series cooling and heating systems. Leading efficiencies, a smaller footprint, and improved heating startup make these outdoor units ideal for commercial applications, according to the company.
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.