- OUR COMMON GOAL - ENVIRONMENTALLY COMPLETE ENERGY GENERATION AND USE FOR YOUR QUALITY OF LIFE WE USE ENERGY ENVIRONMENTALLY SENSIBLY AND MAKE VISIONS BECOME REALITY Klaus Weinzierl Energiesysteme GmbH | Am Marterfeld 3 | D-85614 Kirchseeon | Telephone 0 80 91 - 5 37 83 50 | Fax 0 80 91 - 5 37 83 53