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.
EdmondsUSA says it has brought to America the first hybrid commercial rooftop ventilator, the ecoPOWER. Available in 3 sizes — 16-in, 24-in, and 36-in diameter throats — the ecoPOWER is a rooftop ventilator that combines gravity and motorized ventilation.
Greenheck’s line of Model EQB mixed flow inline fans has expanded with the addition of five new sizes. Now available in eleven sizes, 9 through 33, Model EQB offers a performance range up to 26,000 cfm and static pressure up to 3 in wg. All Model EQB sizes are licensed to bear the AMCA Seal for Sound and Air Performance.
RAE Coils announced that it is manufacturing replacement and OEM evaporative condensing tube bundles. The company claims the tube bundles are a critical component of the highly-efficient condensing units originally manufactured by Mammoth’s Ultraline and Penthouse brands. Also, when compared with air cooled technology, officials said the product can result in a reduction of up to 35% in annual operating costs.
Johnson Controls introduced its new TEC3000 Series thermostat controllers. The company claims these direct hardware replacements for TEC2000 Series thermostats reduce installation time by loading all configuration files and parameters at once using a USB stick. The thermostats also offer rapid-speed commissioning by using the USB stick to commission multiple TEC3000s of the same model.
Daikin Applied has expanded its Rebel™ commercial packaged rooftop systems from 3 to 15 tons to include 16- to 28-ton sizes, enabling owners of larger buildings to decrease the number of units required, reducing overall installation costs.
Bell & Gossett has released a new line of circulators designed to handle larger and more demanding commercial HVAC and plumbing applications. The ecocirc XL 70-145 takes the head pressure range up to 70 ft. and the ecocirc XL 40-275 offers a new 3-in flange and provides high flow performance up to 275 gallons.
customers fast delivery times along with low installation cost. Additional high efficiency options are available to further reduce operating costs. The Trane® eFlex™ variable-speed compressors and fans deliver the performance building occupants need, while also delivering the efficiency building owners want.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.