German heating appliances OEM Viessmann Group increased its shares in Microgen Engine Corp., manufacturer of gas-fired Stirling engines for micro-CHP (Combined Heat and Power) systems. Viessmann now owns 42.19% of MEC; an equal share in MEC is now also being held by heating appliance maker BDR Thermea Group.
MEC will sell its Stirling engines to Viessmann and BDR Thermea as well as to other heating industry OEMs.
“The trend towards CHP-technology and towards decentralized electricity generation will continue," said Managing Director Dr. Martin Viessmann. He noted that the company unveiled its Stirling engine-based micro-CHP Vitotwin 300-W system at the 2011 ISH trade show. The system will be on the market later in 2011.
In CHP systems the waste heat that comes from electricity generation is used for water and environmental heating. Viessmann said that, compared to conventional methods of generating heat and electricity, CHP systems reduce the primary energy consumption by 25% and emit about one-third less carbon dioxide.
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