Foto: Frontansicht des Biohofs Achleitner

Energiepaket Kolpinghaus Salzburg - dormitory for pupils and students and summer hostel

The Kolping association’s dormitory for pupils and students is being extended. It is intended to minimize the building’s energy demand by using highly efficient components, locally available energy sources as waste water heat and sunlight. In order to be able to make us of the plus heat energy is intended to create a local energy system.

Short Description




Starting point/Motivation

The “Kolpinghaus” owned by the Kolpingsfamilie Salzburg Zentral is located in the city of Salzburg. It is being operated as a youth hostel during the school year and as a summer hotel during the school holidays, respectively. Due to the increasing demand for hotel rooms and as a supplementary offer in context with offering rooms for seminars the decision was taken to construct a new building with 44 hotel rooms. For the newly constructed building sustainability and energy efficiency were chosen as crucial targets.

Contents and Objectives

The overall aim of this project is the extension of the “Kolpinghaus” with a building constructed in plus energy quality.

The following project targets are crucial:

  • Minimisation of energy demand for electricity as well as for heating;
  • Use of local available energy sources;
  • Integration of the building in a local energy system to be developed within the project.

A building in plus energy quality requires highly efficient components (e.g. LED lighting) as well as active components for using local energy sources like e.g. waste water heat recovery and photovoltaics. In context with the integration of the building in a local energy system suitable solutions for the use of plus energy being generated within the building have to be identified and developed. The monitoring as well as the optimisation of the operation of the plus energy system is of special interest in context with this project.


In WP 1 relevant issues in context with the energy concept for the building were analysed. It was also investigated how to develop further the whole building complex (including the existing building) towards plus energy quality. In this context a plan for the stepwise realisation was developed as well. In WP 2 the planning process was finalized and documented. Within WP 3 the new part of the building will be constructed. WP 4 contains monitoring, measurements and quality control, WP 5 various dissemination activities and WP 6 project management tasks.

Results up to now

Details in context with the plus energy concept for the new part of the building were analysed and suitable solutions were identified. As a result waste water heat recovery will be a crucial element of the energy concept as well as photovoltaics. A stepwise plan for the realisation of the plus energy system for the building as a whole was developed including the respective time scale. The planning process was finalised and the construction phase has started as well as dissemination activities and monitoring.

Next steps and activities

The construction of the building as well as dissemination activities and monitoring will be continued and completed.

Expected Results

The plus energy concept being developed within this project can be of interest for comparable buildings. The same will be true for the considerations in context with the creation of the local energy system and for experiences in context with the optimisation of the operation of the building and the plus energy system, respectively. The guests will profit from the high quality of the building and will be able to experience the quality of a plus energy building. Special building visits will be offered for experts.

Project Partners

Project management

Kolpingsfamilie Salzburg - Zentral

Project or cooperation partners

Contact Address

Robert Freund
Egerlandweg 2
D-83024 Rosenheim
Tel.: +49 (0) 176 430 86 217
Fax: +49 (0) 3222 930 4978

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