The story of the founders

Franz Holzner and Willi Krenn, whose passion for renewable energies and technological excellence forms the basis of our company.

Franz Holzner, an experienced master electrician, worked for many years in the installation and commissioning of photovoltaic systems. His expertise and enthusiasm for high-tech products led him to found his own company, where he not only installed photovoltaic systems but also traded them. Every product in his shop was selected with the utmost expertise, and Franz was proud to ensure that only the best product combinations reached his customers.

Franz Holzner

With a clear vision of the potential of his skills in the field of photovoltaics, Franz decided to expand his company and founded Voltaik Holzner und Krenn GmbH. His impressive education, including studies at the HTL Steyr (a technical college) and a degree in social economics from the Johannes Kepler University Linz, as well as his experience as a senior project manager, make Franz a pioneer in the industry.

Franz Holzner found the ideal partner for his vision in Willi Krenn, a long-time colleague. Willi, a graduate of business school and university of applied sciences, can look back on over 20 years of experience as a senior project manager at one of Austria's largest software companies. His skills range from the creation and development of our online shop to comprehensive marketing within the company.

Willi Krenn

The symbiosis of Franz's technical excellence and Willi's software and management expertise forms the core of Voltaik Holzner und Krenn GmbH.

Our mission is to make a sustainable contribution to the energy future through innovative photovoltaic solutions. Discover the diversity of our products and the service, led by true experts with a passion for green energy.

Welcome to the future of renewable energies – welcome to Voltaik Holzner und Krenn GmbH!