Централизованное отопление

[bbb]

District heating - http://en.wikipedia.org/wiki/District_heating

Euroheat & Power - http://www.euroheat.org

Combined Heat and Power - http://www.chp-info.org

District Energy Library - http://www.energy.rochester.edu

Largest District Heating Systems - http://www.energy.rochester.edu/dh/largest.htm