These types of systems usually consist of one or more internal combustion engines powered by natural gas using heat recovery to heat water and smoke a circuit TLR (district heating).
Should usually be to integrate a number of existing boilers by reducing the consumption of them.
Also produce electricity entering the network and, where appropriate, can work in “island” if you have blackouts, and then restore the condition of parallel with the distribution network when the network conditions are re-established presence.
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