Taco’s newest Zone Sentry Zone Valve – with an inverted flare – is suited for retrofit and new construction work. According to the company, the zone valves improve the overall performance of any hydronic system that uses a zone valve. Taco’s zone valve line uses microcircuit-based logic to control a gear-driven electronic actuator that drives a ball valve-based body design.
The new JS Series BACnet thermostat from Jackson Systems combines the power of a space-mounted equipment controller with built-in temperature and humidity. The thermostats include a wide range of factory supplied programs for the following applications: two-pipe and four-pipe fan coil units, roof top units, heat pump units and packaged and split unitary systems.
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.