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HolzKreislauf – Research Study on Solution Approaches for Circular Wood Construction in Austria

Consortium partners: • ÖGUT (ÖGUT GesmbH), AbR (Architekturbüro Reinberg ZT GmbH), BOKU (Institute of Production and Logistics at the University of Natural Resources and Life Sciences in Vienna), BioBASE (BioBASE GmbH)

Funded by the Federal Ministry of Agriculture, Regions and Tourism, application no. BMLRT/III-2023-M9/8 (FAI.84)

The research goal is to assess the cicularity of various wood construction product groups and to itemize the most important challenges and fields of action in the various life stages of construction in order to improve their circulation. Another aim is to visualise mass flows from 2023 and from an optimal scenario in 2050. en


CFS LowCarb

Integrated Light-Thermal Solutions for Complex Fenestration Systems Towards Low Carbon Buildings, Project Partners: Hunan University, School of Architecture (“HUNAN”), national consortium, leader, Changsha, Hunan Province, P.R.China; Bartenbach GmbH (“BB”) (national consortium leader), AEE INTEC, Architekturbüro Reinberg ZT GmbH, HELLA Sonnen- und Wetterschutztechnik GmbH, Universität Innsbruck: Department of Structural Engineering and Material Sciences, Arbeitsbereich Energieeffizientes Bauen (Energy Efficient Building Unit), China Academy of Building Research Co., Ltd, Beijing, 100013, P.R. China, Beijing GBSWARE Software Inc.

Beijing, P.R.China, China Construction Fifth Engineering Division Corp., Ltd., Changsha, Hunan Province, P.R.China. Funded by FFG, TECXPORT Bilaterial Cooperation Austria – PRC / MOST 2022 – Partnerapplication, Projektnummer: 49842640, Austria/FFG-Project Number: 879131; P.R. China/MOST Project Number: 2023YFE0106700


The project aims to design and optimize photovoltaic planning during the design phase of building groups and districts, coordinated with consumption profiles, building topology and solutions for energy communities, storage and greening. (FFG No. 879452, “Stadt der Zukunft”). Participating project partner: Architekturbüro Reinberg ZTGmbH. 2010-2022


deals with the development of prefabricated facade elements which can carry PV, thermal collectors, plants or plants + PV. Moreover, a novel collector should allow a cheaper way to produce heat and / or electricity. Among the Europe-wide examples one project is located in Fehring. Funded by the European Commission, Research & Innovation – H2020, Pro. No. 818342, 2017-21,


HOUSEFUL proposes an innovative paradigm shift towards a circular economy for the housing sector. The main goal is to develop and demonstrate an integrated systemic service (HOUSEFUL Service) composed of 11 circular solutions co-created by stakeholders in the current housing value chain. The HOUSEFUL Service will aim at the circular management and efficient use of water, waste, energy and material resources for all stages of the European building’s life cycle.Funded by the European Commission, Research & Innovation – H2020, Nr. 776708, 2017-23

Circular buildings: why and how HOUSEFUL will help


Extension of competence in decentralized renewable energy systems in populated areas”, together with FH Technikum Wien, ATB-Becker EU and 18 furthermore, sponsored by Austrian Resarch Promotion Agency (FFG), 2016-19

COOLSKIN – Self-contained cooling via building envelopes

Research subject of Coolskin are decentralized systems for cooling of interiors. The incident on the facade surface solar radiation is converted directly or deferred in cooling energy and delivered to the room behind. The energy supply is selfsufficient in itself and needs no energy from external sources. In the study, numerical analysis, experimental investigations in the laboratory to reality took laboratory setups and field tests are conducted under realistic conditions; together with the Institute of Thermal Engineering – Graz; University of Technology, AIT Austrian Institute of Technology GmbH (AIT Energy); Hans Höllwart – Research Center for Integral Construction AG, qpunkt GMBH, funded by the Austrian Resarch Promotion Agency (FFG 848871), 2015-18


Shape-PV – The shape of BIPV to come: Concept

In the research project “Shape-PV” – commissioned by the Climate and Energy Fund and FFG – a project consortium consisting of AIT Austrian Institute of Technology (consortium leader), FH Technikum Wien, Architekturbüro Reinberg ZT GmbH and ATB Becker developed a research roadmap for building integrated photovoltaics (BIPV) Austria. The objective of the future research needs of the BIPV was defined and presented in a structured project portfolio until 2020 and beyond. Funded by the Climate and Energy Fund of the Federal Government and the Austrian Research Promotion Agency (FFG), Proj.Nr .: 848884, 2015-17.

Air module

Innovative heating and cooling of buildings Historical Stubenring, April – December 2015,
together with Energy Trans for Research GmbH, funded by the Austrian Resarch Promotion Agency (FFG), Proj. No .: 5371185

Facade-integrated solar thermal: inventory and development of future concepts

Fraunhofer ISE and Dr. Valentin Software, participation in the jury, 2013 bis 2014.

Plus Energy Administration Building Ernstbrunn

The new office building (head office) of the company Windkraft Simonsfeld AG in Ernstbrunn is to be further developed from a positive energy house planning in 7 steps beyond a positive energy balance to a demonstration building, the direct mechanical use of wind power, direct use of direct current, the ecological optimization of buildings and traffic to and from the building using own energy generation the space efficiency of the own energy production (solar thermal and PV) a 100% energy façade designed for summer as well as winter operation, environmentally friendly building site transports during the construction period and the support of smart grids by one optimized load management (“smart house”).  2012 to 2015, funded by Austrian Resarch Promotion Agency (FFG).

  1. Mayer, G. W. Reinberg, T. Waltjen, et al. (eds): BMVIT, „Plusenergie-Verwaltungsgebäude Ernstbrunn, Bürobau Windkraft Simonsfeld“, Schriftenreihe 26/2015, Ein Projektbericht im Rahmen des Programms Haus der Zukunft


Gründerzeit with Future

Lead project within the framework of the program ‘Building of Tomorrow – Plus’, participation in the renovation of listed office and residential buildings in the Weihburggasse in Vienna I, project coordination: e7, October 2009 to September 2014

Solar Urban: Analysis and Assessment of the Energetic, Economic and Architectural Quality of Urban Solar Energy Buildings

IEA Task 41, Solarenergy & Architecture; promoters Austrian Part: Austrian Energy Agency, participation as a professional expert, 2009-12


“Advanced Housing Renovation with Solar & Conservation”, participation as a professional expert, 2007-09

Refurbishment of an existing villa of the “Gründerzeit” to passive house standard with passive and active solar use

The project shows in an exemplary way how buildings of the time of “Gründerzeit” could be maintained and could offer a better environmental balance including the view of the village and the traffic than a new building. As an example a villa has been converted into a multi-family house within a larger housing project. Client: Aufbauwerk der Österreichischen Jungarbeiterbewegung GmbH, funded by Building of Tomorrow (FFG) 2008

Solar cooling for lightweight roof structures in old stands

Funded by  BMWA, 09/2007 to 06/2009

Solar Active House

Development of a pioneering prefabricated house concept with approximately half the energy consumption of a passive house, together with and on behalf of ‘General Solar’, 2007-10

Renovation of a residential building from the 70s on passive house quality using renewable energy

(together with BUWOG, Dr. Bruck and others), funded by Building of Tomorrow, Austrian Resarch Promotion Agency (FFG), 2005-09

Passive house refurbishment Kierling (realisation)

Funded by Building of Tomorrow, reports from energy and environmental research 46/2014

Clay – Passive Office-Building Tattendorf

together with the company “Natur und Lehm”

funded by the Research Promotion Fund of the Business Economy, 2003-06

Component design for clay passive houses

together with the company “Natur und Lehm”,

funded by the Research Promotion Fund of the Business Economy, 12/2002 to 2006

IEA-PVPS.net – Network for the increased use of photovoltaics in new building concepts

IEA Photovoltaic Power Systems Program (PVPS) – Coordination, research and dissemination of the results of this international solar network. Project partner, funded in the program ‘Building of Tomorrow’, Austrian Resarch Promotion Agency (FFG), 2003-05

Planning tool for earth-to-air heat-exchangers

Cooperative research project, funded by European Commission-Contract no JOR3-CT98-7041, 1999 bis 2001

Clay Plaster

for the company Meingast (“Nature and Clay”) together with Donauuniversität Krems,

funded by the Research Promotion Fund, 1997-98

Solar-Low Energy Prefabricated Houses

funded by the Innovation and Technology Fund at the Research Promotion Fund; Jointly with: Arge Renewable Energy and Timber Construction Weiz, since 1996, funded by the Innovations- and Technology Fund at the Austrian Resarch Promotion Agency (FFG), 1996-99

Urban Housing Project Müllnermaisgasse, 1220 Vienna

Feasibility and profitability analyzes concerning integrative energy concepts and additive active solar utilization concepts in connection with a district heating supply in the housing development in Vienna on the basis of this case study. On behalf of Wienstrom. Together with the company Encon, 1994.

Development of an ecological prefabricated house

Together with Firma Grizzly, funded by the Research Promotion Fund, 1990-92

Optimization of passive solar systems in practice

ARGE-Passiv Solar: Haider, Hofbauer, Reinberg, Treberspurg, funded by the means of Housing Research, BMfBuT, Federal Ministry for Economic Affairs, F 1259), bis 1993