CEC5 (detailled)

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CEC5 Project result booklet
CESBA Guide 2014
CEC5 Good practice booklet on sustainable building
CEC5 Feasibility Study on CESBA generic Tool
CEC5 Summary of training programs
CEC5 Summary of 7 Demonstration Buildings
CEC5 Model Certification Summary of 24 buildings
CEC5 Transnational Joint Strategy for CESBA

CEC5 is a transnational project of the Central Europe Programme. It concentrates on the implementation of a common certification procedure for renewable energy sources and energy efficiency for public buildings. The overall goal is to create a model for public buildings to increase the demand for nearly zero energy buildings (NZEBs) on a large scale. After the development of joint criteria 7 demonstration buildings in 7 central European countries will be implemented, which will demonstrate and promote energy-efficient public building and show new techniques, methodologies which can be also used in the private sector. The full name of the project is Demonstration of energy efficiency and utilisation of renewable energy sources through public buildings.

General information

Project partners
Project duration
  • October 2011 - September 2014
Project Budget
  • Total budget of the CEC5 project: EUR 4.466.084,00
  • Total European Regional Development Fund: EUR 3.609.749,40"

Project aims and message

The CEC5: Demonstration of energy efficiency and utilisation of renewable energy sources through public buildings project will create a common pool of knowledge for the entire CENTRAL EUROPE Programme area.

Professionals will be trained in the relevant fields and state-of-the-art energy-efficient buildings will be developed to visibly prove the feasibility and applicability of RES and EE solutions.

The CEC5 project aims:

  • to provide measures that allow decision-makers to build or refurbish energy-efficient high-quality buildings
  • to help local authorities use public buildings for role models
  • to give the market an energy performance standard that allows for high ecological quality
  • to let investments rely on production of renewable energy sources
  • to assist in achieving the European Union goals to reduce the CO2 emissions
  • to change the public perception of public buildings that are considered to be the worst examples regarding energy efficiency in Europe

The CEC 5 project is a transnational project with partners from 8 different nations. In the CEC5 project partners start with the joint transnational evaluation of assessment criteria for ecological public buildings and the development of a respective certification procedure. Partners define the model for the public bodies to refer to as far as the sustainable construction is concerned. But it is the implementation in reality of the pilot examples that make the results visible.

Work packages and project outputs

The CEC5 project consists of five work packages. WP 1 is the national and transnational project management. The other work packages are thematic work packages. Below, a sample of outputs of the work packages 2 to 5 are presented.

WP2: Communication, knowledge management and dissemination

This work package basically deals with Public Relations and with the combination of State of the art-know-how. A main concern in this field is the communication between the PPs and the documentation and dissemination of project results.

Project leaflet and newsletter

The flyer or leaflet has been translated in all languages of the partner countries. It oulines the main aim of the project and gives basic information. You can download the leaflet here: CEC5 leaflet (PDF) You can download the newsletters here:

Local Exhibitions

The local exhibitions in the project partner regions are part of the non-media communication. They are supposed to inform the public about sustainable, energy efficient building in the public sector and may motivate private people towards sustainable building and refurbishment. In the LifeCycle Tower ONE in Dornbirn, Vorarlberg, Austria, was established on the 20th of June, 2012. It shows examples of sustainable built and refurbished public buildings in Vorarlberg.

Exhibition in the LifeCycle Tower ONE

You can download all elements of the exhibition here (in German): LCT exhibition (PDF)

Label Handbook: CESBA guide

The label handbook or CESBA guide is currently under construction. It will be issued by the transnational group and explains the CESBA label usage and certification usage including observation of the concept. Download of CESBA guide

Model assessments

In each partner country, three sample public buidlings are being assessed using the CESBA generic tool. These model assessments show the feasibility of a harmonized building assessment.

You can download an overview on all modell assessment buildings here: List of model assessment buildings (PDF)

In the table below, you find the model assessment buildings. Click on the building name for detailled information.

LifeCycle Tower ONE Office building
L CT.jpg
Gemeindeamt Lorüns town hall
School Doren Education
Intoza-Ostrava Office building
Reconstruction of former school Kasava mixed
CZ model-assessment casava.bmp
Vyotavba obytue budovy Lidman Senior house Coming soon
Primary School Mazzini (Udine) Education
IT model-assessment mazzini.bmp
Old municipal slaugtherhouse Education
IT model-assessment old municipal slaughterhouse.bmp
Nursery school Education
IT model-assessment Old nursery school.bmp
Primary School complex Bydgoszcz Education
PL model-assessment School Bydgoszcz.bmp
RES Demonstration Center Bydgoszcz Education
PL model-assessment demonstration centre RES.bmp
Sailing Harbour Bydgoszcz Hotel, harbour
PL model-assessment Sailing Harbour in Bydgoszcz.bmp
Kindergarten Preddvor Kindergarten
SI model-assessment Kindergarten Preddvor.bmp
SDK Tolmin Municipal Office Building
SSI demonstrationbuilding tolmin.jpg
Gym hall Vojnik Gym Hall
SI model-assessment Vojnik.bmp
Coming soon
Coming soon
Coming soon

Good practice booklet

This booklet will provide a selection of good practices across the EU. These good practice examples are in a standardized documentation in order to present advantage of a near-zero energy demand public building. This output also refers to WP5. The booklet is not available yet.

WP3: Development of Standards

This work package focuses on the elaboration and development of a transnational standard for ecological public building. It is based on results of previous national and transnational projects. The different standards get compared in a common, harmonized procedure, buidlings get assessed by a comon, harmonized scheme and the feasibility of standardisation is checked. This is done by a well-coordinated transnational team.

Transnational baseline to energy efficient building

Starting point of this transnational baseline were expert workshops. Out of this one transnational baseling, eight national baselines have been developed. The result report aims at presenting a comparison of the national approach to energy efficiency in buildings. In particular, questionnaires have been submitted in order to firstly describe and then compare the national law as regard the adoptoin of the EU “Energy Performance of Buildings Directive” (EPBD), launched in 2010 (Directive 2010/31/EU.

You can download the transnational baseline report here: Transnational baseline report

Feasibility Study

In three expert workshops and seminars, creative approaches towards the introduction of novel approaches and assessment are evaluated and feasibility studies created. Within the studies, selective measurements will be used to protect ecological indices and Life Cycle costs as calculated values in the certification scheme. In addition to the technical validation, it is important to have a look at the user behavior in energy efficient buildings and to find a method to raise the awareness for the importance of user behaviour. As result, a standardized certification procedure for ecological building in the public sector is expected. After a comparison of existing concepts, the advantages and disadvantages are evaluated and the possibilities for adaption assessed. Exemplary evaluations of at least three existing public buildings per region are conducted in different certification procedures and the applicability and efficiency of the procedures are examined. The result is a trasnational documentation of the assessments and a description fo the assessed buildings. In the feasibility test minimum criteria are described, which is a clearly understandable eco benchmark that is also has validity for public tender. The target group for the ecological certification process (core result) are municipalities or municipal property developers, federal- and national building authorities.

The transnational documentation of the feasibility studies will be available soon.

Feasibility of certification concept

The feasibility of efficiency criteria will be highlighted in an expert workshop. The rating system has to be simple and cost-effective in favor of increasing usage. A comparison of local acceptance is only possible if based on local surveys and interviews. Thus, a common questionnaire has recently been prepared and is currently being executed in the partner regions. In each partner region, 10 local decision makers and 5 federal state representatives are interviewed on the applicability of a common certification concept.

The summary of the findings of the interviews will be available soon.

WP4: Skills and Demonstration

This work package deals with the implementation of pilot-examples, the setting up of the exhibitions, the show-rooms for the audience and the national and transnational preparation of training and excursion programs.

Course Material

The deliverables and subjecs from WP3 development of standards have been compiled by relevant project partners. Also, existing training programmes are being provided. The result are four studybooks on the application of the CESBA generic tool:

The CESBA tool indicators are also listed in this Wiki. Studybook 1 and 2 are also available in national languages.

Training Programmes

An important component of the CEC5 project is the dissemination of the results for sustainable development in the direction of energy-efficient construction. The demonstration buildings (see below) are role models and should contribute to the ecological and energy efficient (including the use of renewable energy) standard. To enforce this, it is of critical importance to provide the pilot examples/demonstration buildings to planners, craftsmen and businesses. Therefore, specific training programs will be developed for different target groups. It is envisaged that apprentice’s young people can attend as part of their vocational training, a learning module in conjunction with the pilot investment. This applies also to offer continuing professional training of artisans. Planning workshops will be offered to professionals, which also applies to students.

The results will soon be summarized in a transnational documentation. The goal is that the training progam cen easily be adjusted by people outside the CEC5 project partner consortium.

Demonstration buildings

Within the CEC5 project, seven buildings are constructed or refurbished based on jointly defined selection criteria, such as:

  • Passive house standard
  • Only renewable energy used
  • Innovative approach
  • Representative presentation for the public
  • Intensity of passenger traffic
  • Possibility of field trips, tours, exhibitions

You can download the full criteria list here: Criteria list for demonstrationbuildings (PDF)

In the following, the seven demonstration buildings are presented shortly. You can also download posters of the demonstration buildings.

AUSTRIA: LifeCycle Tower ONE>

LifeCycle Tower ONE, Dornbirn, world's first hybrid wood passive house building with a modular construction system

The 27 meter high LifeCycle Tower ONE was opened in Nov. 2012 only after a year of construction. "Itis the world's first hybrid wood passive house building with a modular construction system. Wood is a renewable resource that can be applied toresource-efficient building materials. We tried to develop a simple construction system that uses as much wood as possible" says builder Hubert Rhomberg. For two years, a team of architects and builders has developed a module construction. Ceiling and facade elements were pre-fabricated and delivered to the site ready to fix. So it was possible to assemble the eight floors of the office building in just eight days. Due to the system design, in comparison to conventional buildings the implementation of structural work, facade and building itself is twice as fast for such hybrid wood passive houses.

The building is a demonstration building for the urban wood construction and consists of 8 floor modules. It is an energy plus building and is characterized by a high environmental standard. The Life Cycle Tower is a concept which will set up international standards because its basic material, is a renewable material that grows again quickly: wood.

Download of LifeCycle Tower ONE poster

CZECH REPUBLIC: Social Care Institution, Lidman

Social care institution, Lidman, a new constructed highly sustainable building

The building is situated in the location of the Institute for Social Care in Lidmaň. It replaced a previously existing building, which did not comply with the present construction, operational, sanitary, fire and esthetical demands anymore. The new building is a passive house built out of traditional brick materials with insulated folder. The heating is assured by means of a heat pump. The building serves for accommodation of the clients of the Institute for Social Care, Lidmaň. All construction criteria were included. The construction began in July 2012 and was completed in October 2013. Technologies and measures installed aim at reaching energy savings and lowering energy demands of the future building:

Insulation folder around the building, which is composed of warming system on the basis of mineral insulation and of windows with triple insulation glass; Floor equipped with a three-layer thermal insulation and heat line; Heating of the building is ensured by means of two air-water heat pumps that enable regulated ventilation with heat recuperation roofing of the building.

The new social care institution building is designed as a hydroinsulating photovoltaic foil which generates electric power from solar energy. This innovative solution makes it possible to integrate thin-sized photovoltaic modules into the roof covering and thus to provide reliable protection from weather impacts in combination with achieving highly effective production of electric power from renewable source, while minimising performance losses. Such a technology can be used in a wide range of building types, including those that are not fit for installation of conventional solar panels. Works continue.

Download of Lidman social care institution poster

ITALY: Educational Activities Center of Udine Municipality,(Old municipal slaughter house)

The Italian demonstration building is located in a municipal slaughterhouse area

The Italian demonstration buildings is situated in the city of Udine inside the old municipal slaughterhouse area. Built in 1923, is declared a cultural and architectural asset by national Ministry of culture. The overall intervention aim is the recovery of the complex to host a social and cultural activities centre. The demonstration building will host a didactic area for children with a video and a sound library, a conference hall labs, bookshops, a bar.

Low energy and demonstration characteristics: Installation of a general energy management system; Improvement of wall insulation from inside; Low temperature heating systems; Innovative photovoltaic plant; Energy saving lights and water saving measures; Exhibition to explain the features of the PV plant; Display to monitor and show the energy produced.

The work on the building started in September 2012 after one and a half year of planning and designing.

Download of Old municipal slaughterhouse poster

GERMANY: Gym and Cafeteria for Primary School Gartenstraße

The demonstration building in Ludwigsburg is part of a primary school and currently under construction.

The German demonstration building is situated in the inner ity of Ludwigsburg and part of a primary school area. As part of a new development of the school are, the Gartenstraße 14 will be a new construction. The construction works started in August 2013. The demonstration building will include a cafeteria and a gym. It took two years to design and plan the building. Parts and installations will meet high energy standards of a passive house or a nearly zero energy building.

Download Gartenstraße 14 Ludwigsburg poster

POLAND: EE and RES Center

The Polish demonstration building is a RES centre for students

The Mechanical School Complex was chosen for the intervention in the city of Bydgoszcz. It will function as a RES centre. The city is the owner of the school territory and will be the owner of the future building to be constructed. The choice of the future passive building location was based upon sustainability aspects: it has a high visibility and will probably have a very high number of visitors. The RES centre will be usedby the school students and especially by those who will start the new specialization in renewable energy resources. The RES centre will be available to the public and promoted among stakeholders. It is a first endeavour like this in Bydgoszcz. Design and work planning started in August 2012 and was finalized in December 2012.

Download of RES centre Bydgoszcz poster

SLOVENIA: Primary school in Most na Soči

The Slovenian demonstration building is a refurbishment of Primary school in Most na Soči.

The selected building is a gym, as a part of the primary school in the town Most na Soci. The main problem of the performance of the building is the outer insulation of the walls and the roof (according to the energy audit). All the planning procedures were done in a short time allowing the public procurement to be finished before summer. There was the need that all the major works have to be finalised within July and August 2014 during the time of summer holidays.

The most important sustainability factor is the use of the refurbished area. The mission of the Soca valley development centre (PP12) is supporting sustainability of the regions on all levels and sustainable buildings are one of the major topics already. The primary school of Most na Soci is known for its cooperation in national and international innovative schemes following sustainability principles and this will be an added value also for bilaterally prepared exhibition/dissemination system.

SLOVAKIA: Secondary Technical School, Senica

The Slovakian demonstration building is part of a secondary school

The demonstration building is situated in the building complex of Secondary technical school in Senica city. The school itself is set up by Trnava Self – Governing Region as allowance organisation. We intend to refurbish existing heating system and system for heat water generation currently using natural gas and to install renewable energy sources (RES). The demonstration building serves for educational purposes, for food preparation and serving as well as for various school demonstration and promotion events. The planning started in summer 2012 and was completed in December 2013.

Download of SOS Senica demonstration building poster

WP5: Broad Adoption

In this work package, a transnational excursion concept is worked out in a team. This activity aims at developing a transnational structure which coaches and ensures the on-going development of standards in the role of observer.

Good practice examples

For dissemination reasons of low-energy standards into private and business sector, there will be a standardized documentation to present advantage of a near-zero energy demand public building. The documentation includes 5 buildings (good practice examples) per project partner. To accomplish this task, all project partners worked on ideas for the dissemination. The ideas have been exchanged among the partners. The preceeding process of innovation will help the project partners with successful implementation at the local level.

A list of all good practice examples will be available soon

Transnational joint strategy

This strategy pursues the goal of advancing a European standard in the evaluation and certification of environmental energy-efficient buildings. The CEC5 project cannot introduce such a standard across Europe, but the project is very well capable to make a fundamental contribution of developing such a standard. Currently, the states or countries have no single point of reference for the certification of public buildings. Countries have to deal with the issue back on individual developments or to adapt existing assessment procedures. Note: In the field of energy efficient and sustainable building, the public sector is more complex than the private sector. This arises in part from the need to comply with public procurement directives in the allocation of goods and services. It therefore requires a reasonable and uniform evaluation of possible materials, the type of production, means: access to the general sustainability criteria in order to use subsequently approved (standardized) rules for public tenders. The project partners jointly formulated strategies concern to measures for the development and dissemination of easily manageable method for the ecological assessment of public buildings to decision makers. The strategies have been developed in joint workshops and were biased by person that have influenced the sprad of European standards. The document with detailed references to scientific methods and principles is distributed to relevant agencies of all governments in the program area.

The transnational joint strategy will soon be available for download here

White paper

This document is one of the core outputs of the CEC5 project. At a very early project stage, the project partners have starte to link contacts and invite parallel initatives and local decision-makers. Also, professional bodies of the European Commission have been invited to search for a European approach. The white paper is a manual for the training of the building occupants. It summarizes energy efficiency technologies and solutions to be applied to new and existing constructions.

You can download the white paper here: CEC5 White papter

Homepage and Contact

Homepage of CEC5 project


Regionalentwicklung Vorarlberg eGen

Hof 19

A-6861 Alberschwende


Tel.: +43 5579 7171

E-mail: office@regio-v.at