Greenheck has developed a UL-approved three-sided retaining angle installation method for fire and combination fire smoke dampers. The company says this method is ideal for installations where the damper sleeve is tight up against a wall, floor, or other obstruction with no room for a retaining angle on one side.
LG Electronics has launched its redesigned Heat Recovery Units (HRUs) in the United States. Previewed at AHR Expo 2018, the company claims the the upgraded HRUs offer enhanced installation flexibility, an improved system pipe configuration, as well as the addition of six- and eight-port models.
Available in configurations of two, three, and four units side-by-side, and two and four units back-to-back, the Ready-Link® Manifold Kits are designed to save time on multi-unit NPE Tankless Water Heater installations.
Quantech™ has added QCC2 and QCC3 air-cooled, scroll-compressor condensing units for applications ranging from 15 to 160 tons to its portfolio of ready-to-ship products. The condensing units are designed for pairing with indoor air handlers using direct expansion (DX) evaporator coils. Quantech QDC condensers and QDCF fluid coolers are also available for air conditioning and refrigeration applications as high as 2,890 MBH.
Danfoss has extended its existing line of Optyma™ condensing units for the U.S. market to include the new Optyma™ Slim. According to the company, the Optyma Slim is designed for easy installation and service.
ADEY® Professional Heating Solutions has launched its MagnaClean Commercial™ Magnetic Filter range to the North American market. MagnaClean Commercial’s patented magnetic filtration system works immediately upon installation, removing virtually all of the suspended iron oxide that collects in hydronic heating systems.
SPX Cooling Technologies, Inc. has introduced its new Marley LW Fluid Cooler, an induced-draft counterflow closed-circuit fluid cooler. The company said the new fluid cooler design incorporates patent-pending heat transfer technology, a lower height to address local code restrictions, and other significant installation and maintenance advantages.
According to ClimateCraft, its new ACCESS™ knockdown air handling unit is a time- and cost-saving solution. ACCESS aims to provide a unique solution in custom-engineered and manufactured knockdown AHUs, addressing challenging retrofit projects by examining the typical challenges associated with air handling equipment replacement — including limited access to installation spaces (such as facilities originally built around mechanical equipment), zoning and code requirements, original equipment demolition, project timeline constraints, and budgetary limitations.
Engineered Systems magazine’s June 2019 issue examines the role of HVAC systems and power in colleges and universities via the decentralization of a Missouri college’s central boiler plant, an examination of ventilation considerations in Group R-2 facilities, the steps engineers should consider when overcoming unanticipated boiler room setbacks, common calculations and considerations regarding NFPA 92, and much more.