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Compact household cogeneration system is a high-efficiency energy supply system for homes that generates electricity with a natural gas engine and utilizes the exhaust heat to supply hot water. Cogeneration systems have been rapidly implemented by industry for factories, large-scale buildings and other facilities, but it has been thought unfeasible to develop a practical household cogeneration system due to the difficulty in making the units compact while maintaining a high level of efficiency. Honda has combined the world's smallest GE160EV natural gas engine utilizing our clean energy technology and long-life engine technology nurtured over many years with its unique sine wave inverter technology in a compact power generation system with an efficient cogeneration layout suitable for installation in homes. This household cogeneration unit has been installed in approximately 30,000 households (as of May 2006). It achieves a high total energy efficiency of 85% with a power generation output of 1kW, and thermal output of 3.25kW, and reduces CO2 emissions by approximately 30%* in combination with the hot-water supply and heating unit that utilizes exhaust heat, making it a very environmentally friendly household cogeneration system.
*Comparison with Conventional Hot Water Heating System + Thermal Power Generation
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| High Acclaim for Practical Adaptability |
| The technology incorporated in Honda's cogeneration unit facilitating the practical implementation of household cogeneration for the first time in the world has won high acclaim in Japan and around the world, winning such awards as the Global Warming Prevention Activity Award of the Minister of the Environment in 2005, and 2004 Prize for Natural Gas Industry Innovation (Planning, Research and Development Section) from Germany's Association for the Efficient and Environmentally Friendly Use of Energy (ASUE). Plans are proceeding for the marketing of this system with local companies in the United States. |
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| Business Starts Overseas |
| The Climate Energy Company will begin selling a heating system that combines Honda's compact household cogeneration unit and a heating unit in the Northeastern part of the United States starting Fall 2006. Monitor tests are being conducted with the current heating system in advance of the commencement of sales. |
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| *Sample installaton in U.S.A. |
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