Qnergy external combustion engine can be driven by waste. A material that otherwise might have polluted land is now utilized to create clean energy.

A long life self contained engine ensures lasting maintainance free operation

Converts and uses otherwise wasted energy into your home or business to generate electricity and hot water for an overall efficiency of >90%

A simple and intuitive interface allows user intervention. Operation is adjusted by a closed loop controller that continuously optimizes the engine performance.

The tuned resonant dynamics of the engine ensure inherently quiet operation.


October 22nd 2015

Visit us at the MCE trade show at Mostra Convegno expocomfort on March 15th 2016 in Hall 5 Booth M03. Read More>


June 3rd 2015

Qnergy secures $20 million investment from Tene Investment Funds. Read More>

February 25th 2015

ÖkoFEN and Qnergy are proud to present a 5.0 kWe wood pellet biomass boiler in World Sustainable Energy Days Conference in Wels Austria. To watch the movie:


July 16th 2014

Qnergy and ÖkoFEN Europe’s specialist in pellet heating, are pleased to announce the joint development of a revolutionary 6kWe electricity-generating pellet boiler system. Read More>


Qnergy’s state-of-the-art co-generation engine lays the foundation for ultra-high efficiencies in power generation while preserving the environment.


Largest commercially available free piston Stirling Cycle engine (7.5Kw electricity output), highly reliable with zero maintenance, very low noise and competitive price.