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All projects


Modular energy storage tank working with the sorption principle with high energy density (MODESTORE)

Heat storage is still one of the major technical problems for the use of renewable energy sources. Especially the use of solar thermal energy for space heating depends strongly on the ability to store heat for a long period of time with as little heat losses as possible. Since 1995, consistent development is taking place with the final goal to construct a sorption heat store and bring it on the market. Starting with fundamental research and simulation studies, a first laboratory prototype system was developed and built within the EU-project HYDES. Laboratory tests showed the general functioning of the system.


Potential study for solar thermal energy application in the industry

Promise – production with solar energy. Documentation of examples of solar thermal applications in the industry, identification of production processes and industry sectors, which need low temperature heat, evaluation of the potential for solar thermal systems to generate low temperature heat in the industry, case studies for industry sectors and processes with large, medium term implementing potential.


SWAMP – Sustainable water systems for tourism facilities

Sustainable Water Management and Wastewater Purification in Tourism Facilities


Solar combisystems

Erection of approximately 140 solar thermal combisystems in 6 European countries in cooperation with the solar thermal industry.


Operational analysis and optimisation of the passive office building “W.E.I.Z.”

The energy innovation centre of the city of Weiz, “W.E.I.Z.”, represents the state of the art of energy efficiency and economical building technology as a passive house building.


Passive cooling concepts for office and administration buildings by means of underground heat exchanger

Passive cooling concepts for office and administration buildings with air or water operated underground heat exchanger. Comparison between passive cooling concepts and conventional air conditioning systems.


Solar supported heating networks

Optimisations and standardisation of system concepts for solar thermal systems in multi-family houses.


Development of solar thermal systems with unproblematic stagnation behaviour

Studies on the impact of the collector hydraulic , piping and arrangement of fittings on stagnation behaviour of solar thermal systems.


Ventilation system by means of an air to earth underground heat exchanger for the municipal hall of Gleisdorf, Austria

Planning of an air to earth underground heat exchanger as pre-cooling for an air-conditioning system for the municipal hall of Gleisdorf and compilation of the monitoring results during the first year in operation.

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