as a ready-to-connect combined heat and power unit (CHP) with asynchronous generator, according to guideline VDE-AR-N 4105, for operation with natural gas or liquid gas, at constant speed.The CHP is optimized for high stability and long maintenance intervals equipped with condensing boiler technology as standard, electronic monitoring of water, air and oil temperatures, integrated and water-flushed interference silencer. Special frame with integration of the installation surface as a sound insulation duct. Further noise emission reduction through standard triple mounting and vibration insulation of the engine-generator unit and coordination with a special exhaust system.