Technisches Büro - Ingenieurbüro Dipl-.Ing. Andreas Greml
Austrian engineering consultancy specializing in energy efficiency, renewable energy, and building services since 2003.
Last updated September 29, 2026
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Overview
Technisches Büro - Ingenieurbüro Dipl-.Ing. Andreas Greml (often shortened to TB-Greml) is an Austrian engineering consultancy based in Kufstein, Tyrol. Founded in 2003 by Dipl.-Ing. Andreas Greml, the office focuses on energy saving, energy efficiency, and renewable energy. Its service portfolio spans energy management, energy concepts, energy consulting, energy certificates, low-energy and passive house design, comfort ventilation systems, refrigeration systems, renewable energy systems, contracting support, expert opinions, research and development, and professional training. The firm's technical foundation draws on Greml's education at HTL and TU Graz (mechanical engineering-economics with a focus on steam and thermal engineering), as well as his long-standing work at ENERGIE TIROL in areas such as low-energy and passive houses, thermal solar systems, industrial energy saving, contracting, and residential ventilation. He also has teaching experience at FH Kufstein in energy management, building physics, and building optimization. TB-Greml serves private and commercial clients, municipalities, and institutions, offering both consulting and expert services. Its core competencies include energy certificates, low-energy and passive house concepts, comfort ventilation systems with heat recovery (especially for apartments and schools), renewable energy systems (thermal solar, biomass heating, heat pumps), refrigeration systems in tourism, and support for plant and savings contracting. The office also provides municipal and corporate energy consulting, energy management and concepts, and training and further education through institutions such as FH Kufstein, FH Wels, WIFI, BFI, ENERGIE TIROL, and Bauakademie. Additionally, it prepares (court) expert opinions and gives lectures on its focus topics. The company is privately owned and operated by its founder, Dipl.-Ing. Andreas Greml, with its address at Stuttgarterstr. 43, 6330 Kufstein, Austria. It remains active in the Austrian market, primarily serving clients in Tyrol and beyond.
History
Technisches Büro - Ingenieurbüro Dipl-.Ing. Andreas Greml was established in 2003 by Dipl.-Ing. Andreas Greml. The firm's origins are rooted in Greml's technical education and professional experience. He attended HTL and studied at TU Graz, focusing on mechanical engineering-economics with specializations in steam and thermal engineering. He then worked for many years at ENERGIE TIROL, where he gained expertise in low-energy and passive houses, thermal solar systems, industrial energy saving, contracting, and residential ventilation. He also taught at FH Kufstein in energy management, building physics, and building optimization. Since its founding, the office has concentrated on energy saving, energy efficiency, and renewable energy. Over the years, it has expanded its services to include energy certificates, low-energy and passive house design, comfort ventilation systems (supply and exhaust air systems with heat recovery, particularly for apartments and schools), renewable energy systems (thermal solar, biomass heating, heat pumps), refrigeration systems in tourism, support for plant and savings contracting, municipal and corporate energy consulting, energy management and concepts, training and further education, and expert opinions. The firm has also been involved in research and development (F&E) and gives lectures on its focus topics. The company remains a private engineering office, owned and operated by its founder, with its headquarters in Kufstein, Austria. It continues to serve clients in Austria, leveraging its deep expertise in energy efficiency and renewable energy.
- 2003
Founded by Dipl.-Ing. Andreas Greml.
Products and positioning
Specialized engineering consultancy for energy efficiency and renewable energy in Austria.
Energy certificates
Official energy performance certificates for buildings.
Low-energy and passive house design
Design and consulting for low-energy and passive house buildings.
Comfort ventilation systems
Supply and exhaust air systems with heat recovery, especially for apartments and schools.
Renewable energy systems
Thermal solar systems, biomass heating, and heat pumps.
Refrigeration systems
Refrigeration systems for the tourism sector.
Energy consulting
Municipal and corporate energy consulting.
Energy management and concepts
Energy management and energy concept development.
Expert opinions
Court and technical expert opinions.
Training and education
Training and further education through various institutions.
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