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All projects


Solar and Heat Pump Systems

Systems for space heating and domestic hot water preparation based on the combination of solar collectors and heat pumps are currently more and more in demand and are already provided by several manufacturers. However, the integration of a heat pump into a solar system is more complex than with other auxiliary systems, as also the heat source of the heat pump (evaporator cycle) can be connected to the whole system. Additionally to the standard heat sources ambient air and ground heat, the solar collectors or the buffer storage tank can also be used as a source with different possibilities of hydraulic integrations.


High efficient combination of solar thermal and heat pump systems

System concepts using a combination of solar thermal combisystems and heat pumps for a currently rapidly growing market are documented and analysed theoretically. Different systems are evaluated by means of measurements in a field test and compared to each other and to reference systems by means of dynamic system simulations. At the end of the project advanced and adapted system solutions will be available.


Using the Heating Recovery Potential and Solar Thermal Energy for 100 % Solar Buildings

In Low-Energy Buildings and Passive Houses the energy demand for hot water often exceeds the demand for heating energy. Therefore the development of concepts for hot water production is essential in such houses. The concepts have to consider all phases beginning with production of hot water, storage, distribution and waste-water- heat-recovery.


Klimaaktiv building

„klimaaktiv Buildings” is an Austrian programme to promote energy efficiency, high ecological quality, comfort and best performance of new and retrofitted buildings. It is one of four thematic clusters within the framework of “klimaaktiv”, the climate protection initiative of the Austrian Federal Ministry of Climate Action, Environment, Energy, Mobility, Innovation and Technology, embedded in the Austrian Climate and Energy Strategy.


Customized energy roadmap for small regions and municipalities in Eastern Styria, module “municipal retrofit”

Within the East-Styrian key project “Customized Energy Roadmap” thematic modules of implementation and knowledge for the use of renewable energy sources and energy efficient technologies in small regions and municipalities will be made. In “ENMA-retrofit” the module “municipal retrofit” will be developed and aims to apply high performance retrofit of large-volumed municipal and residential buildings.


Evaluation of Large-Scale Solar Collector Plants

Solar thermal systems are commonly used in residential buildings, hotels, sports facilities, hospitals, farms and business enterprises as show thousands of plants in operation in Austria. The present project targets for quality management in solar thermal plants to assure development in applictions and market growth.


PH 2.0 - The development of optimised practice-oriented planning and performance documents for passive houses of the 2nd generation

The project is based on the results from and analyses of the monitoring of big-volume passive houses of different building types in Austria. With reference to this a handbook for “passive houses of the 2nd generation” was launched. It includes planning and innovative technical solutions to optimise energy efficiency and user’s comfort.


School vent cool

The project “School vent cool” develops different high performance renovation strategies for school buildings. New solutions for ventilation systems, natural cooling and application of prefabricated modules will be investigated.



Within the EINSTEIN software, specially designed for energy managers and consultants, a methodology was developed for the purpose of systematically reducing CO2 emission in producing industries.


PROMISE Application

PROMISE APPLICATION aims to sensibly combine the use of solar thermal energy in production companies that work in the field of metal and plastic surface treatment in an energetic and economic way with measures to enhance energy efficiency and the use of other renewable energy sources.

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