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.
UV Resources has upgraded its RLM Xtreme fixtureless ultraviolet (UV-C) lamp system to include its new 24-volt Contact Controller. Officials claim the prewired controller streamlines UV-C system installation, cutting time by up to 50% and improving safety.
Daikin North America LLC has launched its VRV IV-S-series heat pump, which the company is calling the next generation of “Mini-VRV” for residential and light commercial applications. The product is planned for sales availability in May 2016. The new VRV IV-S-series is a single-phase, air cooled, outdoor unit that operates up to 10 indoor units and accommodates extensive piping networks up to 984 ft.
Johnson Controls recently unveiled its new York VRF solution, a benefit of the company’s recent Hitachi joint venture. The ductless and modular HVAC solution heats and cools multiple building zones to increase energy savings, improve occupant comfort, and lower construction costs. VRF features Hitachi’s high-efficiency compressors and is complemented by energy modeling and selection tools to measure and compare VRF to other HVAC technologies.
NexRev Inc., announced the availability of the DrivePak™ Advanced Rooftop Control (ARC). The control is an expanded model of the company’s DrivePak HVAC retrofit upgrade, which the company says incorporates advanced controls allowing customers to further capitalize the savings from DrivePak as well as additional prescriptive energy rebates and incentives.
CertainTeed says it is strengthening its line of high-performance HVAC insulation products with the addition of ToughGard® R Rotary Duct Liner. Combining the trusted thermal, acoustical, and moisture control performance of the ToughGard liner airstream surface with a sustainable fiberglass matt, ToughGard R is ideal for helping to ensure high indoor environmental quality and occupant comfort.??
Air Solution Co. has introduced a Cottonwood Filter Screen and Hail Guard System. The system can stop hail and debris from causing problems in an HVAC system. They are compatible with all equipment makes and models and can protect air coils, air-handling units, cooling towers, louvers, and more.
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.