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About us

GREENoneTEC is the world‘s largest thermal flat-plate-collector manufacturer with an annual production capacity of more than 1.6 million m² of panels. Eight highly automated, process-secured robotic production lines, offer the highest quality products with excellent delivery performance and reliability – made in Austria, of course, and certified to ISO 9001 and ISO 14001 standards and more than 25 years experience in the solar market. GREENoneTEC sees itself as a reliable and innovative manufacturer in the solar thermal industry. This maxim has made us the world‘s leading specialists in high quality solar thermal collectors. GREENoneTEC supplies highly innovative systems and quality products to manufacturers of heating systems, solar system providers and industry. However, we also support our customers in projects with energy companies, public institutions, planners and project developers, as well as with the wholesale trade and industry. Our industrial series production guarantees consistent, first-class product quality with an excellent delivery service and is focused on conserving resources and ensuring cost efficiency.

Further information

Activities in SDH
  • Collector Supplier
  • Component / System Supplier
  • Consultant
  • Designer
  • Education
  • Energy Concepts / Feasibility Studies
  • Heat Exchanger Supplier
  • Planner
  • Project Developer (public/private)
  • Research
  • System / Subsystem Contractor
Services offered GREENoneTEC manufactures large-size collectors in the GK 3003 series with a standard size of 8 and 13 m², single & double glazed. A special design of the absorber and the attractive performance data make these collectors ideal for large solar thermal systems working at higher temperature. The optimized mounting system, which permits time-saving installation by crane, and hydraulic connection considerably reduce the overall time and effort required to install the system
Countries of activities
  • Africa
  • Europe
  • North America
  • South America
Number of employees
Annual turnover

Name, Location Size Type of involvement
1. Reference Picture Nahwärmenetz Chemnitz-Brühl
D - Chemnitz
2.230 m² The collector field is expected to supply almost 5 % of the heat provided by the new district heating grid for the Brühl housing development near the city centre.
2. Reference Picture Princess Noura Bint Abdulrahman Universität /Riad
36.305 m² Operating since mid-2011, the 25.4 MWth solar district heating plant provides heat for the Princess Nora Bint Abdul Rahman University, which has a campus for 40.000 students, lecturers and other staff. Its amenities include accommodation, research facilities and a hospital.
3. Reference Picture Hellenic Copper Mines Nicosia
764 m² This project is constructed as a pilot, and aims to increase copper extraction from the ore by using warmer leaching fluid heated up by solar system instead of conventional heating source. The solar system is a standalone system not connected to conventional heating system. The system is in operation since march 2013.
Company Address and Contact

Industriepark St. Veit Energieplatz 1 A - 9300 St. Veit/Glan Phone: +43 (0) 4212 28 136-0 Fax: +43 (0) 4212 28 136-250 E-Mail: Andreas Thieme
Tel.: +43 / (0)4212 / 28136- 220

Participate in the upcoming SDH events
Participate in the upcoming SDH events

Save the date! The 5th International Solar District Heating Conference will take place on 11 and 12 April 2018 in Graz, Austria.

See our event calender for other upcoming events

NEW Brochure and Project Leaflets
NEW Brochure and Project Leaflets
European Large Scale Solar Heating Plant Database
European Large Scale Solar Heating Plant Database
Download all SDH guidelines in one file
Download all SDH guidelines in one file
Find professionals
Find professionals
Click here to find business partners, component suppliers, consultants and service providers with long term experience on the field of solar district heating!
SDH related projects
SDH related projects

Discover other european RTD and policy projects related to solar district heating:

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