Lochinvar LLC has released the NOBLE™ Fire Tube Combi Boiler. With three models ranging from 110,000 to 199,999 Btuh, the company says the Noble boiler offers easy installation and serviceability, true instantaneous response time, and a user-friendly interface. In addition to 10:1 turndown and 95% Annual Fuel Utilization Efficiency (AFUE), the Noble Fire Tube Combi Boiler is designed, engineered, and assembled in the USA.
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.
Marketair Inc. has introduced easybend by Castel Engineering, a soft copper pipe bender that eliminates VRF and minisplit lineset installation kinks. Marketair specializes in ductless air conditioning tools/accessories and is the exclusive easybend importer/distributor for the North American markets.
SPX Cooling Technologies announced a redesign of its Marley AV line of factory-assembled single flow cooling towers. The new induced draft crossflow design features both single- and multi-fan models and a broader tonnage range from 122 to 772 nominal tons and flowrate of 117 to 1,541 gpm (27 to 350 m3/hr).The AV provides a compact footprint and is well-suited to support air conditioning and refrigeration systems as well as light industrial loads.
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.
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue