Tecogen is to deliver a turnkey combined heat and power (CHP) system to a large, residential skyscraper complex in San Francisco, California.

The project, due to complete in mid-2012, consists of installing two Tecogen CM-75LE cogeneration modules, as part of an overall building upgrade.

This new cogeneration system is expected to provide more than 80% of the building’s electricity for common areas and residences. At the same time, waste heat will be recovered and used to heat the individual apartments and provide domestic hot water.

The company says that this free heat will greatly reduce the need to operate the buildings’ four existing boilers, resulting in an expected 35% reduction in CO2 emissions.

Tecogen says CHP systems appeal for large apartment complexes, especially in states like California with increasingly stringent environmental standards and higher energy costs, because they promote energy efficiency while significantly reducing building operating costs, pollutant emissions and greenhouse gas emissions.

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