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Micro Cogeneration


Low maintenance cost

Maintenance intervals of 10,000 hours (natural gas) or 6,000 hours (biogas) are one of the industry’s longest, due to the combination of Yanmar’s engine technology with the lean-burn Miller cycle.

Easy grid connection

High-efficiency inverter with built- in protection and synchronization devices required for grid connection. This makes it easy to interconnect systems.

Low operating noise

Between 50 and 62 dB, depending on the model. This is merely the sound of a premium dishwasher.

Indoor and outdoor installation

All-weather canopy with IP44 standard and protective powder coating (models without radiator only indoor).

Multiple-unit operation

Up to 8 units can be controlled through one system controller for higher-power applications. High-efficiency operation on partial load is possible by controlling the number of units in operation.

Remote monitoring system

Online access to the CHP unit for information like operational data, operating condition and warnings.




RMB AG, based in Saterland in Lower Saxony, Germany, is a manufacturer and a distributor of micro cogeneration systems. Yanmar acquired a majority stake in RMB AG in 2015. The company delivers The neoTower® series with its four performances classes Premium S, Premium M, Premium M+ and Premium L. 

The Micro cogeneration units offer an electrical power range of 5.0 to 50.0 kilowatts. With a modern component configuration, cleverly designed noise insulation and an intuitive control unit, the systems set new standards on the market and are compact, quiet, robust, efficient and user-friendly RMB AG developed a premium cogeneration unit neoTower® 30.0 specifically designed for YANMAR’s robust gas engines. YANMAR supplies RMB AG with a number of gas engines in various performance classes for a wide range of innovative products.


RMB/ENERGIE is the official Yanmar distributor for Micro Cogeneration. Therefore, we don’t show these cogeneration units on our website, but you will be redirected to their website by clicking below link.

Micro Cogeneration