https://www.youtube.com/watch?v=HAmFRre4lMU
https://www.youtube.com/watch?v=0m0jGLRkXnM bought out Infinia stirlings patents.
https://www.youtube.com/watch?v=dT-010TQBYw
At the energy expo in Wels we presented the brand new projekt - ÖkoFEN_e 5.0. It´s an cooperation project of Qnergy and ÖkoFEN.