Sterling HVAC’s Xcelon system is a rooftop make-up air unit that combines hydronic condensing boiler technology with advanced air distribution and heat recovery methods for levels of efficiency up to 98%.
Exhibitors at the 2014 Greenbuild attributed the frequently light traffic on the show floor Oct. 22-23 to a number of factors: educational workshops being conducted during trade show hours; declining attendance at trade shows in general; and the location of the event in New Orleans.
The designer’s intent was to supply a low-temperature floor-heating zone, as well as a higher-temperature baseboard zone and air handler, from a thermal storage tank heated by a pellet-fueled boiler.
Laars’ Mascot LX condensing combiboiler and tankless water heater features natural gas or LP options with 95% efficiency, full modulation and a plentiful supply of domestic hot water on combination units.
The Radiant Professionals Alliance and the International Ground Source Heat Pump Association signed a memorandum of understanding to promote the application of ground-source heat pump technology where it overlaps with radiant heating and cooling systems.