Equans Design & Build

More information (in German only)

Building in partnership starts with listning, understandung and developing a vision.

Equans a new leader for multi-technical services

To the press release (in German only)

Empowering Transitions - we are partner for our customers:| - in the energy transition| - in the industrial transition| - in the digital transition

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Assistent: Bettina ZWICKELSTORFER
Telefon: +43 5 740 36 - 1000

CEO EQUANS Austria & Hungary

Dieter MEYER

Dieter MEYER is responsible for all Equans activities in Austria and Hungary since December 1st, 2022. After graduating at the HTL Mödling he continued studying at the Technical University of Vienna while working in the field of medical technology. In 2003 he switched to the energy industry at the Verbund group and later moved to a staff unit for special strategic tasks at APG. From 2007 to 2015 he returned to the Verbund group as Managing Director, responsible for developing the renewable energy business in Germany and other countries. In 2015 he joined Powerlines Group, now part of Equans, as Managing Director of the Energy division in Austria, Germany and Luxembourg. Together with his two children, Dieter MEYER likes to explore the globe to discover other cultures.

Assistent: Bettina ZWICKELSTORFER
Telefon: +43 5 740 36 - 1000



Robert Loidolt is CFO and Managing Director of Equans Austria. He has many years of experience in establishing and managing commercial departments in wholesale, plant engineering and construction and international financial services domestically and abroad as well as in setting up “financial shared service centres.” Born in Vienna, he worked in international corporate groups during his entire career in Austria and various foreign companies in the function of a finance director and was responsible for the areas of finance and administration.

Telefon: +43 5 740 36 - 1000

Director EQUANS Austria


As Director of EQUANS Austria GmbH, Jörg Heißenberger is responsible for Marketing & Sales, Business Development, Cross-selling and Mergers & Acquisitions. He joined the company in 2005 and led the subsidiaries in Central Eastern Europe and the branches of EQUANS Gebäudetechnik GmbH until the end of 2014. From June 2018 until March 2023, he was Managing Director at EQUANS Austria GmbH. Prior to that, Jörg Heißenberger, who was born in Lower Austria, worked for INTEGRAL Montage and successively 24 years for the international YORK Group in the field of Refrigeration and Air-Conditioning Technology. Finally in the position of CEO for Austria and CEE. He completed his education at HTL Pinkafeld and Danube University Krems.

Assistent: Biljana ASANOVIC, BA
P. +43 5 740 36 7100

Managing Director EQUANS Energie

DI Dr. Christoph WALLA

Christoph Walla has been with the company since 2018 and was responsible for the development of the regional and CO2-neutral district heating networks in Austria. Since 2020 he has been managing director of the subsidiary Naturwärme-Montafon and since 2021 also of Nahwärme Kreuzstetten. In 2023 he took over the management of Equans Energie and its subsidiaries. After completing his studies in agricultural economics at the University of Natural Resources in Vienna, he committed himself to a sustainable change in the domestic heat supply, first as a team leader at Kommunalkredit Public Consulting GmbH and then as a plant manager at Yanuma GmbH.

Christoph likes to spend his free time playing tennis.


Assistent: Susanna FLEISCHHART
P. +43 5 740 36 1204

Managing Director EQUANS Gebäudetechnik

Markus COLLE

Markus Colle is CEO of EQUANS Gebäudetechnik GmbH. He has extensive national and international experience in building technology and HVAC. He joined EQUANS in 1999 as a project manager, then took over sales activities and later managing a major international project. In 2016, he assumed responsibility for the plant engeneering and construction (HVAC) department and since June 2018 he has been CEO of EQUANS Gebäudetechnik.

Markus Colle is a passionate cyclist.


Assistent: Dagmar KONZILIA
P: +43 5 740 36 6135

Managing Director EQUANS Kältetechnik

Ing. Mag. (FH) Philipp BAUMGARTNER, MBA

Philipp Baumgartner is the CEO of EQUANS Kältetechnik GmbH. He has extensive experience in heating and refrigeration technology. He was customer service manager at Windhager Zentralheizung GmbH for the Austrian and German division. In addition, he was in charge of the “service and assembly Europe” profit center at Hauser Kühlmöbel & Kältetechnik GmbH. After graduating at the TGM in Vienna XX (mechanical engineering) he studied "Business Consulting" in Wiener Neustadt and England. Later he completed an MBA at the Vienna University of Economics and Business.

Philipp Baumgartner is a passionate glider pilot in his free time.

Assistent: Alexandra RADLINGER
P. +43 5 740 36 1280

HR Director EQUANS Austria


In January 2023 Petra Fuchs-Gastegger started as HR Director Austria at EQUANS Austria GmbH. With her team, she is responsible for the areas of Human Resources and Payroll Accounting for all companies of EQUANS Austria GmbH. She has many years of corporate experience in HR, e.g. at Sandvik as Country HR Manager Austria and most recently at Wienerberger as Head of HR Services. Petra Fuchs-Gastegger studied business administration at the Vienna University of Economics and Business and is also a quality management auditor and certified mediator.