Greenheck has added Model RBD-15 to its line of remote balancing dampers. Constructed of heavy gauge galvanized steel, Model RBD-15 is a multi-blade balancing damper rated for pressure differential up to 4 inch wg. and velocities up to 2,000 fpm.
Extech Instruments launched the BR250-4, a wireless inspection borescope designed to get into openings as small as 4.5mm while providing clear images on its detachable, wireless display. As part of Extech’s “BR” family of video inspection cameras, the new BR250-4 narrow-diameter camera aims to add a level of accessibility previously not available on general-purpose cameras.
Seresco USA Inc. introduced the NE-Series–Outdoor, a new generation of four to eight-ton packaged dehumidifiers. According to the company, the NE Series–Outdoor is 20% lighter and its 64-in by 60-in footprint is 55% smaller than earlier NE Series generations.
The new Metasys® 9.0 building automation system from Johnson Controls offers enhancements to the Metasys product line, including two new IP/Ethernet-based controllers and user interface (UI) features that make finding critical information and resolving issues easier, according to the manufacturer.
Johnson Controls says its new SMART Equipment Controllers (SEC) use a smart mobile device interface that gives engineers the flexibility to easily access their Johnson Controls water-to-air water source heat pump controls through any Wi-Fi-enabled device and any internet browser. The controllers feature an onboard backlit local display with pushbuttons and BACnet Automatic Discovery support that enables integration into any BACnet BAS.
Trane added a 3-5-ton offering to its portfolio of Foundation™ light-commercial rooftop HVAC units to provide customers with a new solution ideal for emergency replacement. The 3-5-ton unit footprint fits a common roof curb used on many existing commercial buildings. The unit can be installed without the need for an adapter, which saves customers time and money during installation.
SPX Cooling Technologies launched the new Marley NC Everest Cooling Tower, a pre-assembled, crossflow evaporative cooling system that offers a viable alternative to field-erected towers. The company claims the design and field assembly process for the cooling tower reduces on-site labor and work duration for a safer work environment. NC Everest provides more site placement options and typically uses up to 10% less plan area than field-erected towers.
Metalaire has released its Non-Ducted Return Hood. The Model NDRH is intended to be a field added accessory to return grilles in non-ducted plenum applications. The company claims the model significantly reduces the amount of sound transmitted into or from the plenum and also functions as a light shield.
Howden American Fan Company has introduced its new ventilation concept for underground parking garages, which includes two alternative options — the Jet Thrust Fan and the Induction Thrust Fan. The company says the new system lowers the required parking garage height by about 4 ft, reducing excavation and cement costs and lowering overall construction costs.
Engineered Systems magazine’s April 2019 issue focuses on K-12 schools, showcasing how districts across the nation are using hybrid systems and advanced BAS systems to cut their energy use and costs, how kitchen ventilation systems should be installed and maintained, and more. The issue also examines the present and future of artificial intelligence in the built environment, one engineering firm’s advanced attempt to create a nonproprietary BMS system, and much more.