Trane has unveiled its EarthWise™ Intelligent Variable Air Systems. The manufacturer claims the system is a key part of a cost-effective, energy-saving building design that can improve HVAC system efficiency by 20% to 30% when compared to a traditional VAV system.
Onset has released its HOBO UX120 Thermocouple Logger, a four-channel LCD data logger for measuring and recording temperature in a broad range of monitoring applications. The new logger records temperatures over a broad range (-260⁰ to 1,820⁰ C) and can accept up to four J, K, T, E, R, S, B, or N type probes.
The SVG3 Digital Micron Vacuum Gauge includes a large dual display with rate indicator, alarms, timers, a rubberized case, and rugged strap and hook that hangs at an angle to make reading the display easy. The dual display indicates live vacuum measurement in microns of mercury on the top line, and the rate of micron change, or the alarm stopwatch on the bottom line.
The Emergency Command Center (ECC) is a mass notification system capable of integrating with virtually any brand of fire alarm system. According to Fire-Light Alarms by Honeywell, this provides an economical solution for communicating critical messages, general announcements, and more, throughout a facility.
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.