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UC Davis Challenge Produces a Better Air Conditioner
August 14, 2009The first certified winner of the UC Davis "Western Cooling Challenge" is Coolerado Corp. of Denver. Recent federal tests showed that their five-ton commercial rooftop unit should be able to air-condition a typical big-box store with less than half the energy needed by conventional cooling units.
"Coolerado's entry in the Western Cooling Challenge was the first to take our rigorous tests at the Advanced HVAC Lab at the U.S. Department of Energy's National Renewable Energy Laboratory in Golden, Colo.," said Mark Modera, director of the UC Davis Western Cooling Efficiency Center.
"We are extremely pleased to announce that Coolerado's product exceeded our expectations. While our target was a 40 percent reduction in energy use and peak electricity demand compared to conventional cooling units, the Coolerado H-80 tests indicate almost 80 percent energy-use savings and over 60 percent peak-demand reduction."
Launched in June 2008, the UC Davis Western Cooling Challenge is a program of activities designed to help cooling-unit manufacturers deliver better products, and to help building owners install and use those products in their new and existing low-rise, nonresidential buildings (such as suburban retail and office buildings).
Many western states are hot and dry, but use cooling systems that were designed for warm and humid climates. The Cooling Challenge is based on the premise that Western-specific technologies should be able to cool using far less energy.
The potential energy savings are substantial, Modera said: Commercial rooftop air-conditioning units are used to cool 70 percent of the floor area in nonresidential buildings in the western U.S.
Coolerado CEO Mike Luby said his company's five-ton H-80 rooftop unit is designed principally for light commercial buildings. One H-80 is able to cool 1,500 to 3,000 square feet of commercial floor area.
"Coolerado would not have taken on the big task of producing this exceptional product had it not been for the challenge laid down by the Western Cooling Efficiency Center," Luby said.
The firm is now taking H-80 orders for delivery late this year. Luby said, "There will be a higher first cost associated with this equipment, but with utility rebates, tax incentives and energy savings, our customers should make up that difference in just two years."
The completed certification of the first unit puts the Western Cooling Challenge right on schedule to have a selection of new equipment reach the market by spring of 2010, Modera said.
Five other manufacturers have promised to submit equipment for Western-Cooling-Challenge efficiency testing. More results should be available by the end of 2009.
About the Western Cooling Efficiency Center
The Western Cooling Efficiency Center is a key component of the UC Davis Energy Efficiency Center (EEC), which was founded in 2006 with support from the California Clean Energy Fund (CalCEF). The cooling center is supported by industry affiliates, including utilities, manufacturers, contractors and the California Energy Commission. Its mission is to partner with stakeholders to identify technologies, disseminate information and implement programs that reduce cooling-system electrical demand and energy consumption in the Western United States. http://wcec.ucdavis.edu/
About Coolerado Corp.
Coolerado Corporation produces and sells very high-efficiency air conditioners, based in large part on indirect evaporative cooling. Coolerado air conditioners are used for commercial, industrial and residential applications throughout the world. http://www.coolerado.com
About UC Davis
For 100 years, UC Davis has engaged in teaching, research and public service that matter to California and transform the world. Located close to the state capital, UC Davis has 31,000 students, an annual research budget that exceeds $500 million, a comprehensive health system and 13 specialized research centers. The university offers interdisciplinary graduate study and more than 100 undergraduate majors in four colleges - Agricultural and Environmental Sciences, Biological Sciences, Engineering, and Letters and Science - and advanced degrees from six professional schools - Education, Law, Management, Medicine, Veterinary Medicine and the Betty Irene Moore School of Nursing.
University of California - Davis
Launched in June 2008, the UC Davis Western Cooling Challenge is a program of activities designed to help cooling-unit manufacturers deliver better products, and to help building owners install and use those products in their new and existing low-rise, nonresidential buildings (such as suburban retail and office buildings).
Many western states are hot and dry, but use cooling systems that were designed for warm and humid climates. The Cooling Challenge is based on the premise that Western-specific technologies should be able to cool using far less energy.
The potential energy savings are substantial, Modera said: Commercial rooftop air-conditioning units are used to cool 70 percent of the floor area in nonresidential buildings in the western U.S.
Coolerado CEO Mike Luby said his company's five-ton H-80 rooftop unit is designed principally for light commercial buildings. One H-80 is able to cool 1,500 to 3,000 square feet of commercial floor area.
"Coolerado would not have taken on the big task of producing this exceptional product had it not been for the challenge laid down by the Western Cooling Efficiency Center," Luby said.
The firm is now taking H-80 orders for delivery late this year. Luby said, "There will be a higher first cost associated with this equipment, but with utility rebates, tax incentives and energy savings, our customers should make up that difference in just two years."
The completed certification of the first unit puts the Western Cooling Challenge right on schedule to have a selection of new equipment reach the market by spring of 2010, Modera said.
Five other manufacturers have promised to submit equipment for Western-Cooling-Challenge efficiency testing. More results should be available by the end of 2009.
About the Western Cooling Efficiency Center
The Western Cooling Efficiency Center is a key component of the UC Davis Energy Efficiency Center (EEC), which was founded in 2006 with support from the California Clean Energy Fund (CalCEF). The cooling center is supported by industry affiliates, including utilities, manufacturers, contractors and the California Energy Commission. Its mission is to partner with stakeholders to identify technologies, disseminate information and implement programs that reduce cooling-system electrical demand and energy consumption in the Western United States. http://wcec.ucdavis.edu/
About Coolerado Corp.
Coolerado Corporation produces and sells very high-efficiency air conditioners, based in large part on indirect evaporative cooling. Coolerado air conditioners are used for commercial, industrial and residential applications throughout the world. http://www.coolerado.com
About UC Davis
For 100 years, UC Davis has engaged in teaching, research and public service that matter to California and transform the world. Located close to the state capital, UC Davis has 31,000 students, an annual research budget that exceeds $500 million, a comprehensive health system and 13 specialized research centers. The university offers interdisciplinary graduate study and more than 100 undergraduate majors in four colleges - Agricultural and Environmental Sciences, Biological Sciences, Engineering, and Letters and Science - and advanced degrees from six professional schools - Education, Law, Management, Medicine, Veterinary Medicine and the Betty Irene Moore School of Nursing.
University of California - Davis
New Purdue facility aims to improve NASA moon rocket engine
Purdue University engineers are conducting experiments using a new hydrogen facility to help NASA create designs to improve the cooling efficiency and performance of the J-2X rocket engine, critical for future missions to Mars and the moon.
Cooling milk using sun energy
The company Tarre of Navarre, Basque Country, in collaboration with the Public University of Navarre has built a prototype for cooling milk. This cooling and maintenance system takes the energy directly from a photovoltaic system and so there is no need to use batteries. The prototype integrates two concentric cylindrical tanks in a single structure: the first one is a cooling chamber for the milk and the second one is a tank of frozen water. In this system the first tank is inside the tank of frozen water. That way milk is cooled without using any pumping system. Due to the difference between the moment when the energy requirement is greater, that is, right after milking, and the photovolta
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