This K-12 building automation troubleshooting experience turned into a case of “show and tell” that nobody wants at their own school, so take notes on both the causes and the solutions.

Belimo University has launched a new online HVAC sensor training.

Carrier is offering an electronically commutated motor (ECM) direct-drive fan option for the Aero® 39M commercial air handler product line. According to company officials, adding the new ECM fan option enables customers to further improve the system’s energy efficiency. Onboard electronics determine the position of the rotor, which then provides an electronic pulse to actuate the motor windings.

Greenheck has expanded its line of life safety dampers with the Model SMD-401EF smoke damper.

Bonomi North America is introducing a new series of NSF-Certified butterfly valves with factory-installed electric or pneumatic actuators for potable water applications with high flow requirements. The new N500 Series wafer and N501 lug body valves feature ductile iron body construction with EDPM rubber seats. They are available with stainless steel disc (N500S/N501S) or nylon-coated disc (N500N/N501N). All are approved to NSF /ANSI 61,372. Sizes range from 2 in through 12 in.

Belimo Americas has released an advanced butterfly valve designed specifically for the HVAC industry. The company says its newly designed butterfly valve and PR actuator assembly was developed with a focus on ease of installation, application flexibility, and longevity.