The present invention relates to energy conversion device which contains one or more collection units (10) suitable for receiving environmental energy as well as a conversion unit (30) in an electrically conducting connection with the collection unit (10) with the help of a cable (20), at least one of the collection units (10) is formed by a set of metal material pipe members (11), while the conversion unit (30) has a condenser part-unit (32) consisting of metal armored plates (32a, 32a′) separated from each other by a gap (T) and located in the cover (31), as well as a frequency-setting part-unit (33) cooperating with the condenser part-unit (32), where the frequency-setting part-unit (33) has a reception space (35) located within the cover (31) of the conversion unit (30) and enclosed by a delimiting shell (34) in the vicinity of the condenser part-unit (32) and a charge (40) located in the reception space (35), and the charge (40) contains an organic component and an inorganic component distributed in a carrier medium (36).