HANTEMP Controls has extended its line of stainless steel flanges designed to simplify installation and maintenance processes. The EZWLD line of stainless steel flanges now includes threaded flanges, which the company says can be easily connected to other threaded refrigeration components.
Distech Controls has introduced the EC-Smart-Air, the latest addition to its Allure™ communicating sensor series. Designed for projects that require precise environmental sensing, the EC-Smart-Air is a three-in-one sensor, combining temperature, humidity, and CO2. Distech Controls says its latest offering allows for time and cost savings with a single device to be mounted, wired, and commissioned.
Lennox Commercial has expanded its light commercial Raider® rooftop unit line to include the new Raider 6-ton unit available in gas/electric and electric/electric configurations and the new 14 SEER units, available in 3-5 tons. The addition of the new Raider 6-ton rooftop unit rounds out the Raider portfolio.
The Grundfos line of LCSE split-coupled end suction pumps with integrated motor, drive, and control feature the MLE variable speed motor in ranges from 3 to 30 HP in 3,500 revolutions per minute (RPM) and 3 to 25 HP in 1,800 RPM. Available in 21 different models, the fully integrated, intelligent LCSE pumping system offers energy savings of up to 50%, according to the company.
Distech Controls introduced its ECx-Light-4DALI, a lighting control expansion module part of Distech Controls’ Smart Room Control solution. The Smart Room Control solution consists of a programmable HVAC controller, lighting (ON/OFF, dimming, and now DALI) and shades/sunblind (up/down and angle rotation) expansion modules, a multi-sensor (motion and luminosity), a personal remote control, room sensor, and a free mobile application.
The new SIL 3 capable Ashcroft® A-Series miniature pressure switch is now available in an explosion- proof configuration for hazardous areas. With 316 stainless steel construction, an IP67 rated enclosure, and an operating temperature range from -40°F to 192°F, the rugged dual-seal rated A-Series explosion-proof pressure switch stands up to the most extreme environmental conditions.
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.