What is Green Building?

(Page 4 of 4)

August/September 2005
By Alex Wilson 
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Winston Series CPC Solar Collectors

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The Winston Series CPC collector is a solar water-heating system composed of 12 small compound parabolic collectors (CPC) that focus sunlight onto absorber tubes through which heat-transfer fluid is piped. Contact: Solargenix Energy, 2101-115 Westinghouse Blvd., Raleigh, NC 27604; (919) 871-0423; www.solargenix.com

FlushMate IV Pressure-Assist Toilets

These pressure-assist toilets have an inner airtight flushometer tank that is pressurized after the flush as the tank refills (air is compressed at the top of the tank).uring the flush operation, air pressure flushes the toilet with increased velocity, improving flush performance. The Sloan Valve Co.’s 1-gallon-per-flush (gpf) FlushMate IV mechanism for pressure-assist toilets still produces a distinctive “whoosh” during the flush, but is quieter than the higher-volume flushometer-tank toilets. The Sloan FlushMate IV flushometer is currently used in toilets manufactured by Mansfield, Capizzi, Mancesa, St. Thomas Creations (Vitromex) and Vortens, with other manufacturers expected to introduce FlushMate IV products in 2005. Contact: Sloan Valve Co., 10500 Seymour Ave., Franklin Park, IL 60131; (800) 982-5839; www.sloanvalve.com

Nyle Special Products Cold-Climate Heat Pump

This multiple-stage, cold-climate air-source heat pump rivals many ground-source (geothermal) heat pumps in performance, achieving an average coefficient of performance (COP) of 2.7. The system takes full advantage of the non-ozone-depleting refrigerant R-410a, which can withstand up to 70-percent higher pressure and has a 40-percent better cooling capacity than R-22 (which depletes ozone and is scheduled to be phased out starting in 2010). Contact: Nyle Special Products, P.O. Box 1107, Bangor, ME 04402; (207) 942-2865; www.nyletherm.com

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