Nortek Global HVAC has launched a new 3-phase large packaged gas/electric system in 2 to 5 tons for light commercial use. Model R8GE delivers energy-efficient 14 SEER cooling in advance of new federal efficiency standards that will take effect on January 1, 2017.
Tyco Fire Protection Products, a division of Tyco, introduced the Model RM-1 Riser Manifold. The RM-1, available for commercial and residential uses, features a proprietary connection between the manifold and the Potter alarm switch. The connection has a watertight, flat surface design which helps prevent leaks.
Bosch Thermotechnology Corp. upgraded its SM Series, two-stage geothermal water source heat pump. Bosch redesigned its SM vertical and counterflow cabinets with an increased focus on serviceability and reliability, with front water connections and an all-aluminum air coil to resist formicary corrosion. Bosch says it also redesigned the internal layout for easier access through the front panel to components most often requiring service or adjustment.
Nu-Calgon has launched new 100- and 200-count bulk jars of Gel Tabs™. The company says the tabs are an effective treatment that prevents condensate drain pans from clogging and getting musty odors. Gel Tabs feature a gel locking technology — once activated by condensation, the gel formulation locks the tablet in place until it completely dissolves.
To keep people more comfortable year-round — and to help building owners and managers drive down energy costs — Rite-Hite Corporation says it is offering the Revolution® Fan. Designed to deliver optimal performance, the high-volume, low-speed (HVLS) fan supplements heated and cooled air for more efficient and cost-effective air circulation in virtually any facility.
A new packaged heat pump from the Coleman brand of Johnson Controls is available in 3- to 8.5-ton capacities. Its exact-fit replacement design matches footprints of other manufacturers’ units and the company says it reduces installation time, cost, and complexity by eliminating the need for a curb adapter.
Laars has introduced the new Mascot ST condensing tankless water heater. The natural gas or LP-fired unit offers an ultra-high 0.96 EF (energy factor) efficient stainless steel heat exchanger, full 10:1 modulation, and is available in a 199 MBH size.
Greenheck’s line of Vari-Green™ energy control products has expanded with the introduction of the Vari-Green Drive (Model VGD-100), a factory-mounted and wired variable speed control for three-phase motors up to 10 hp.
With summer approaching, RAE Coils announces that its cooling coil line uses chilled water, glycol, and refrigerants to regulate the temperatures of buildings and valuable products. RAE Coils are designed and manufactured to the exact specifications of each customer application. The selection software used by the RAE Coils experts makes it easy to custom-design coils that precisely meet customer needs.
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.