Laars Heating Systems now offers a 150- to 2,500-gallon electric water heater from 12 to 360 kW. The systems feature 150 psi ASME code glass lining, ASME temperature and pressure relief valve, internal fusing (above 120 amps), and magnesium anode rods.
Schaffner EMC introduces the ECOsine® Active 3420, a harmonic filter which provides harmonic compensation in real-time for industrial and commercial environments. With a capacity of 30 to 300A, operating at 200-480VAC (+/- 10%), the connection-ready 3420 (3-wire) cabinet models include forced air cooling and internal liquid cooling (200-300A), for the power electronics.
Quantech has expanded its line of QTC4 Air-Cooled Variable-Speed-Drive Screw Chillers to a total of 21 models ranging from 150 to 360 tons. With the expanded line, Quantech officials said many models are in-stock ready to ship within three to five days to enable immediate chiller replacement.
MacroAir has introduced AirEffect, a climate control system for large diameter fans. Through automation, AirEffect eliminates the need to constantly monitor and adjust the fans’ speed and direction in response to temperature fluctuations. AirEffect identifies and dictates the optimal operating speed and direction for each fan based on the facility’s temperature and humidity.
Nortek Global HVAC introduced a new line of highly-configurable Reznor® light commercial packaged rooftops. They are available in 6, 7.5 and 10 tons. The company says the rooftop units can be configured at the factory so consultant engineers or design-build contractors can get the exact spec unit they need delivered to the job site. With over 35 options per tonnage size, there are over 750,000 unit configurations available. A quick-ship option is available out of the factory in Dyersburg, Tenn.
Cleaver-Brooks has developed the CBEX DES (dryback elite special) 1,000 hp boiler. Engineered to fit inside a 40-ft shipping container, its compact size enables a complete boiler room to fit within a 53-ft container. According to Cleaver-Brooks officials, this allows the company to include performance guarantees for output capacity, efficiency, turndown, emissions of 30 ppm NOx, and a pressure vessel warranty.
RectorSeal® Corp. has introduced the Hurricane-Rated Wall Condenser Bracket for ductless minisplit system (DMSS) condensers. The bracket is a universal DMSS wall mounting bracket tested/certified by a third-party structural engineering firm for compliancy with all North American hurricane-rating standards.
Trane is expanding its portfolio of Performance Climate Changer™ air handlers to provide customers with a custom unit that is designed and built for applications that require exact specifications for size, shape, components, materials and performance.
TSI has introduced its wireless AirPro™ Instruments Platform. According to the company, the AirPro Instruments are wireless velocity and pressure measurement tools that maximize productivity by offering easier measurement access, accuracy, seamless multi-data reporting, and more.
Uponor North America says it is making it easier to provide an AquaPEX® plumbing system for homes and multifamily structures with the launch of its new ProPEX® connections for water service applications.
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.