Nortek Global HVAC is adding a new 96% AFUE gas furnace to its lineup. Model FG7TE/FG7TN comes with a factory-installed ECM motor and programmable control board. The new furnace meets Energy Star requirements and qualifies for local utility rebates and the U.S. federal tax credit.
Technical Systems (TSI), a division of RAE Corporation, has announced the availability of its Series 35 Evaporative Cooled Chillers. The company says the chillers have been specifically designed to provide-highly efficient cooling for commercial and industrial-duty applications.
Mitsubishi Electric says it has made significant enhancements to its Variable Refrigerant Flow (VRF) zoning R2-Series and Y-Series cooling and heating systems. Leading efficiencies, a smaller footprint, and improved heating startup make these outdoor units ideal for commercial applications, according to the company.
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.