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BURNABY, B.C.—According to the U.S. Department of Energy, 400 billion KW of hot water goes down the drain annually in the United States—roughly $40 billion worth of energy at an average cost of $.10/KW. A great deal of that energy loss occurs in hotels—where energy is uncaptured from greywater from showers and baths, sinks, dishwashers, laundry, etc. Energy is also lost in the blackwater coming from toilets. One company, International Wastewater Systems, has developed a system it calls SHARC (which stands for sewer heat recovery) to capture and reuse heat that typically is lost to the sewage system. International Wastewater Systems, based in Burnaby, B.C., has installed its SHARC system in several buildings, including a 172-unit condominium complex in Vancouver, B.C. While International Wastewater Systems has not yet installed SHARC in a hotel, company founder and president, Lynn Mueller, said the system is ideal for a hotel building. Green Lodging News asked Mueller how his system works and what equipment is required.
BOURNE, MASS.—Chilled water system performance is often overlooked in plant operations, yet optimizing performance can significantly improve chilled water plant efficiency, and thereby reduce costs.
SANTA CLARA, CALIF.—WattStopper has introduced a new line of wireless occupancy sensors in response to customer requests for more choices to manage energy. The radio frequency (RF) products make it easy and cost effective to install code-compliant controls in existing buildings, or wherever wired occupancy sensors aren’t the best fit. The product line includes dual relay controls not available from other manufacturers, as well as time-saving functionality.
MINNEAPOLIS—Swegon Inc. announced its North American launch of the ADAPT Parasol comfort module, a hybrid product uniting the energy-saving and comfort advantages of chilled beams and demand control ventilation. “The ADAPT Parasol is the first of Swegon’s demand controlled ventilation products to be modified to meet North American Industry standards,” said Mike Woolsey, President at Swegon “This follows the successful launch of ADAPT Parasol in Europe last year.”
WESTPORT, CONN.—Emerson Climate Technologies’ Next Generation Copeland Scroll variable speed compressor line was honored as the 2014 AHR Expo Product of the Year during the Innovation Award Ceremonies on January 22 at AHR Expo in New York City. The new Emerson product line was chosen as the Product of the Year from among the top Innovation Award winners in 10 industry-related categories.
WALTHAM, MASS.—American DG Energy Inc., a leading On Site Utility, offering clean electricity, heat, hot water and cooling solutions to hospitality, healthcare, housing and athletic facilities, announced that it has reached agreements with Sunstone Hotel Investors Inc. to manage an energy plant conversion, along with installation and maintenance of a combined heat and power (CHP) system at the DoubleTree Suites by Hilton New York City—Times Square.
ATLANTA—When the first edition of the “ASHRAE GreenGuide” was first published 10 years ago, guidance on how to practice green building design was not so readily available. “Since 2004, the industry has witnessed the continued evolution of green building programs—from strictly voluntary to being both more in the industry mainstream as well as being mandatory in jurisdictions that adopted these for their building codes,” said Tom Lawrence, a member of ASHRAE’s technical committee (TC 2.8).
NEW YORK—The Coca-Cola Company announced that it has installed its 1 millionth hydrofluorocarbon (HFC)-free cooler using natural refrigerant in the marketplace, preventing the emission of 5.25 million metric tons of CO2 over 10 years. This milestone marks significant progress in the company’s effort to phase out the use of HFC refrigerant—a well-known contributor to climate change—in Coca-Cola dispensers, vending machines and coolers globally.
ROSWELL, GA.—For the millions of Americans who work in commercial and institutional buildings, winter is the harshest season. Not so much for the ice and snow outside, but for the storm brewing inside. That’s because 30 percent of commercial buildings in the United States have poor indoor air quality (IAQ), a condition linked to respiratory illnesses, allergies and asthma, and Sick Building Syndrome.
LONG ISLAND CITY, N.Y.—The Berkeley Lab (LBNL) has produced a monitored evaluation study on The New York Times Building. The study shows that the innovations that lowered energy use by 24 percent are attainable, as MechoSystems has been promoting for several years.
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