Vertiv introduced the Liebert DSE Optimization, an enhanced version of the water-free Liebert DSE data center cooling system. The company says the new version increases the system’s efficiency by up to 50 percent.
Nu-Calgon’s A/C ReStart is a specially formulated treatment designed to assist in air conditioning R-22 retrofits. According to company reps, A/C ReStart eliminates oil change-out by boosting oil return when using R-407C, R-427A, and other refrigerants.
Nortek Global HVAC has added the R7DA, a combination dedicated outdoor air system (DOAS) and conventional space conditioning rooftop unit (RTU), to the Reznor® and Mammoth® branded R7 Platform product lines.
Greenheck has added the wind-driven rain louver EVH-302 to its louver line. Featuring 3-inch deep vertical rain-resistant blades, the EVH-302 is AMCA 500-L Certified for Air Performance, Water Penetration and Wind-Driven Rain; AMCA 540 Listed for Wind Borne Debris; and AMCA 550 Listed for High Velocity Wind-Driven Rain.
Fujitsu General America has introduced new medium static pressure duct indoor units for their single-zone Halcyon mini-split line. This new RGLX line features sufficient static pressure to heat or cool a whole house. Units are available in seven sizes ranging from 12,000 to 48,000 Btuh, with efficiency ratings up to 21.3 SEER.
Johnson Controls has released version 3.4 of its SMART Equipment Control Firmware. The new SMART equipment firmware incorporates a new feature known as Continuous Reset Single Zone Control™ (CRSZ Control). Unlike the typical Single Zone Variable Air Volume (VAV) system operation, company reps said the CRSZ Control provides precise control of space comfort while maximizing energy savings.
Victaulic launched its VicFlex Style AB6 Bracket for cold storage applications. Created to adjust to any ceiling or wall thickness, the bracket is available for order with the V33, V36, or V40 dry sprinkler and the Series AH2-CC or Series AH2 braided hose.
Danfoss introduced Connecto NA, a new and improved line of connection kits for Danfoss self-regulating heating cables. Designed for use with both Danfoss RX-C Roof and Gutter De-icing Cables and PX Pipe Freeze Protection Cables, Danfoss Connecto kits aim to provide reliable and safe installation of electric heating cables.
The HVAC industry continues to evolve, but what does the future of the built environment look like? Engineered Systems’ editors turned to the winners of the AHR Expo’s Innovation Awards to get their take on where HVAC trends and technology is heading.
Each year, the AHR Expo honors manufacturers that are looking forward and breaking new technological ground. Those manufacturers are presented with Innovation Awards covering 10 categories, including building automation, ventilation, heating, cooling, IAQ, and more.
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.