Belimo Americas has released the new dual channel CO2/temperature sensors with an increased range to 5000 ppm. The dual channel technology measures two-wave lengths split from a single light source.

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.

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.

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.