Workshops

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REHVA Workshops at Clima 2010 conference in Antalya - May 9-12, 2010

The REHVA workshops will take place parallel to other sessions at Clima 2010 conference. Each workshop will focus on a specific question (or questions). The result of the workshop could be an international action plan, a list of research needs, outline for a guideline, a policy statement, etc. The results will be presented to the Conference participants in a summary report that will be sent to all participants after the conference and published at the REHVA website where each workshop has already its own webpage for additional information (www.rehva.eu). Room 10 (Kremlin Palace)

WS 1: Presentation of the guidebook from REHVA concerning HVAC air filters and future actions
Sunday, May 9, 16.30-18.00
Co-sponsors: Camfil, REHVA Task Force
Organisers: Ulf Johansson, Jan Gustavsson
The workshop presents the contents of the new REHVA Guidebook on air filters in air handling systems and discusses the need of the future actions in the area of air cleaning and filtering in respect of indoor air quality and energy efficiency of buildings.

WS 2: Reinventing of mixing ventilation: how to provide good measured and perceived indoor conditions?
Monday, May 10, 10.45-12.30
Co-sponsor: Halton
Organisers: Maija Virta, Risto Kosonen
The workshop presents the contents of the new REHVA Guidebook on air distribution system and discusses the need of the future development work in the area of air flows in the buildings in respect of indoor air quality and energy efficiency. The workshop focuses on thermal comfort, element affecting the flow patterns, also in large scale and design practices.

WS 3: Low Exergy Heating and Cooling Systems for High-Performance Built Environments
Monday, May 10, 9.00-10.30
Co-sponsors: IEA ECBCS Annex 49, Uponor
Organisers: Lars Nielsen, Dietrich Schmidt, Ilari Aho
The purpose of the workshop is to promote a rational and effective use of energy by using an exergy approach in construction design. Energy efficiency can be considerably improved by matching the quality of the energy used to the quality demand. Furthermore, the approach opens up for efficient integration of waste heat, free cooling and renewable energy.

WS 4: Legislation as an opportunity for sustainable HVACR business
Monday, May 10, 9.00-10.30
Co-sponsor: EPEE -European Partnership for Energy and the Environment
Organiser: Andrea Voigt
The European regulatory framework for energy efficiency and environmental protection related to buildings including the Renewable energies directive, Energy using product directive, Energy performance of building directive, F-gas regulations and the need of coherent legislation in the member states to achieve sustainable progress.

WS 5: Demand Controlled Ventilation (DCV); the art of reducing energy needs whilst maintaining a healthy indoor climate
Monday, May 10, 9.00-10.30
Co-sponsor: Swegon
Organisers: John Woollett, Ulf Hörman, Per Fahlén
Demand controlled ventilation (DCV) aims to reduce the energy used by ventilation systems while maintaining the prescribed indoor air quality (IAQ). Buildings are often occupied at much lower levels than the designed maximums, so adapting the ventilation needs to suit is logical. Today’s DCV systems will be discussed together with areas being researched now and with a specific focus on what is required in the future.

WS 6: European-wide certification, standards and European directives on energy efficiency
Tuesday, May 11, 9.00-10.30
Co-sponsor: Eurovent
Organisers: Sandrine Marinhas, Erick Melquiond, Göran Robertson
This workshop presents the link between European regulatory framework for energy efficiency and environmental protection and the developed energy efficiency labelling in the various products covered by Eurovent Certification. The products covered are small Air Conditioners, Rooftops, Chillers, Air Handling Units, and in preparation are Heat Exchangers for Refrigeration, Fan Coil Units, Fine Air Filters and Refrigerated Display Cabinets.

WS 7: District Cooling - adding value to your business
Tuesday, May 11, 10.45-12.30
Co-sponsors: Climespace, Fernwärme Wien, Göteborg Energi, Helsinki Energy
Organiser: Johannes Jungbauer
High level experts from the District Cooling sector will present their experiences with District Cooling: explaining, why they choose District Cooling, its impact on projects and key lessons. The District Cooling workshop will provide an opportunity for professionals in the HVAC and building sector to further improve their business by using the well established infrastructure of District Cooling.

instrument for optimum HVAC design in a holistic approach
Monday, May 10, 10.45-12.30
Co-sponsors: ES-SO
Organisers: Emeric Motte
Through windows enters a significant amount of solar energy. This workshop will show that dynamic control of this energy offers both economical and indoor comfort benefits. Among the many solar shading solutions, vertical roller blinds (‘solar screens’) have thermal and optical properties that allow significant energy savings and an interesting ROI, when automated properly. In addition, HVAC design and control can be optimized by taking automated solar shading into consideration.

WS 9: Total energy use in residential buildings and influential factors -Measurement and analytical methods
Monday, May 10, 15.45-18.00
Co-sponsor: IEA-ECBCS annex 53
Organiser: Hirosi Yoshino
One of the most significant barriers to improving energy efficiency in buildings is the lack of knowledge on determinant factors for energy use. Building energy consumption is mainly influenced by six factors: (1) climate, (2) building envelop, (3) building services and energy systems, (4) building operation and maintenance, (5) occupants’ activities and behaviour and (6) indoor environmental quality provided. The workshop provides a platform for the discussion on the above problems and the potential methods to solve the problems.

WS 10: Indoor environment and energy efficiency of schools
Monday, May 10, 15.45-18.00
Co-sponsor: REHVA Task Force
Organisers: Francesca Romana D´Ambrosio, Elvira Ianniello, Atze Boerstra
School buildings design and renovation are important topics nowadays; children spend most of their day in these environments that can affect their comfort, performance and even health, so attention to the indoor environment is a must. Furthermore, energy consumptions of school building are often very high and designers should take care about this aspect too. This workshop presents a guidebook for the design of school buildings in the respect of Indoor Environmental Quality (IEQ) and energy saving needs.

WS 11: BUILD UP, the European portal for energy efficiency in buildings: how to maximise its benefits?
Wednesday, May 12, 14.00-15.00
Co-sponsor: EU/EACI/BUILD UP portal
Organisers: Gilles Vaille, Olli Seppänen
www.buildup.eu is the EU reference for energy efficiency in buildings, serving the needs of building professionals, public authorities and occupants alike. The key objectives are to increase the awareness and improve the energy performance of buildings. Among other relevant resources in the field, BUILD UP provides information on the European Energy Performance of Buildings Directive (EPBD). The outcome of the workshop is to identify ways and methods on how the conference participants and their organisations can benefit from the portal in their daily business.

WS 12: Building simulation
Tuesday, May 11, 9.00-10.30
Co-sponsor: VABI
Organisers: Wim Plokker, Ioan Silviu Dobosi
Throughout Europe building simulation is used in the daily practice as a powerful tool. The workshop aims at investigating the application of building performance simulation in different countries throughout Europe and, from there on, try to come up with an ideal application of building simulation (design of low or zero energy buildings etc.).

WS 13: Large hall and industrial heating systems
Wednesday, May 12, 10.45-12.30
Organiser: Karel Kabele
The workshop is focused on presentation of modern methods for design, control and operation of energy efficient heating systems in large spaces and industrial halls. Outputs of the workshop will be included in REHVA guidebook. The topics of introductory presentations will describe state-of- the-art of light and dark gas radiant heaters, panel radiant heating and industrial air heating systems with recent results of simulation and measurements example in the Czech Republic, Slovakia and Slovenia.

WS 14: Practical AC System Inspections to fulfil the EPBD’s intentions
Wednesday, May 12, 9.00-10.30
Co-sponsor: Harmonac project
Organisers: Ian Knight, Jorma Railio, Vincenc Butala
The objective of the workshop is to obtain delegate feedback and thoughts on the proposed final outputs of the project and the implications these might have for the future of the AC Inspection Industry. The participants will have an opportunity to influence the tone of the final output of the HARMONAC and to debate the major points arising. This workshop will also help towards producing REHVA guidebook for professionals undertaking AC Inspections.

WS 15: Improvement of assessment and simulations methods to reduce global primary energy as well as life cycle impact with illustration in a case building
Tuesday, May 11, 10.45-12.30
Co-sponsor: ICADE
Organisers: Frank Hovorka, Vinh-Nghi Tiet
In order to reduce the energy consumption of a building, design teams usually focus on reducing heating and cooling needs and the systems to cover them. However, the more efficiently the thermal aspect is being dealt with, the more attention should be given to the influence of lighting and user’s electronic devices. The aim of the workshop is to work on a global approach which should also take in account the efficiency of materials used in buildings to respect a global energy and greenhouse gas emission equation including the embodied energy.

WS 16: HVAC teachers meeting
Sunday, May 9, 16.30-18.00
Co-sponsor: REHVA Education committee
Organisers: Michael Schmidt, Zoltan Magyar
The objective of this workshop is to increase the co-operation between HVAC teachers in the area of common teaching material, student exchange and the contents of the curricula. The workshops offers an opportunity to exchange idea for future needs and development of teaching to serve better the needs of developing HVAC industry.

WS 17: Health based ventilation criteria
Wednesday, May 12, 10.45-12.30
Co-sponsor: REHVA Technical and Research Committee
Organisers: Pawel Wargocki, Olli Seppänen
The objective of this workshop is to establish methods and network to collect data on ventilation standards and guidelines in Europe, and their implementation in practice. The collected information will be used to develop common European guidelines for health based ventilation. The information will be made available for CEN and European Commission for future actions.

WS 19: Indoor climate investigations
Sunday, May 9, 16.30-18.00
Co-sponsor: REHVA Task Force
Organisers: Stefano P. Corgnati, Manuel Carlos Gameiro da Silva
The indoor climatic quality (ICQ) strongly influences the well-being of occupants, the productivity in working and educational environments and the related energy costs to maintain suitable comfort conditions. As a consequence, how to measure and evaluate the ICQ is a crucial aspect, complementary to the evaluation/ certification of the building energy quality. The workshop will focus on ICQ assessment, facing firstly the investigation methods and then presenting significant case studies.

WS 20: Heating systems losses, efficiencies and calculation methods
Tuesday, May 11, 15.45-18.00
Co-sponsor: Rettig ICC
Organisers: Julian Stocks, Mikko Iivonen, Arnold Springer, Jarek Kurnitski
In different European countries, there is continual efforts aiming at rating different heating and ventilating systems in terms of energy efficiency. The results of this work have a strong steering influence on the commercial market-place since “preferred” systems and “less acceptable” systems tend to emerge from this work. From the energy conservation point of view, an important aspect is also the influence of the occupant’s behaviour and his requirements.

WS 21: The microenvironment around persons in ventilated spaces
Wednesday, May 12, 14.00-15.00
Organiser: Peter V Nielsen, Yuguo Li and H. Ezzat Khalifa
This workshop discusses the flow and transport processes in the microenvironment around a person and between persons in a room. The flows considered are for example the thermal boundary layer around a person, the inhalation and exhalation from a person as well as speaking, sneezing and coughing. A person’s movement is also considered as a source of flow in the microenvironment. The workshop should identify new research areas.

WS 22: How to improve use of CEN standards in implementation of EPBD
Wednesday, May 12, 9.00-10.30
Co-sponsor: CENSE –project
Organisers: Bjarne Olesen, Jaap Hogeling
The workshop will present the work of the CENSE project and discuss the impact the revised EPBD will have on implementing harmonized methods in Europe and the role the revision of the standards may have. The objective of this workshop is to inform and discuss the application of then EPBD-Standards in national building regulations. Special issues that will be discussed are how the EPBD-standards can influence the work of consultants within the building and HVAC industry.

WS 23: Maximum safety in public buildings in case of fire
Tuesday, May 11, 10.45-12.30
Co-sponsor: Belimo Automation AG
Organiser: Othmar Brändli
This workshop focuses on the ultimate protection of people and buildings in case of fire and smoke. The current status of European standards and regulations for fire dampers and smoke control dampers in HVAC systems are reviewed. The workshop focuses on the need of changes in the standards and regulations as fire- and smoke control dampers are more than specified safety components. The workshop will also highlight the structure and the main differences between the relevant EN and UL standards.

WS 24: The efficient cooling for data centre environments: technologies and systems to cut cooling energy costs by 50%
Wednesday, May 12, 14.00-15.00
Co-sponsor: Emerson Network Power
Organiser: Roberto Felisi
The workshop aims at describing the latest technologies available in order to improve the cooling energy efficiency in the data centre environments and show how the cooling energy costs can be cut by 50%. Depending on the data centre size, different approaches can be followed to reduce the energy consumption: the use of direct expansion systems with modulating capacity and airflow for computer rooms of small and medium business enterprises, and for large data centres the application of chilled water systems optimized with free cooling chillers and advanced precision cooling units.

WS 25: Low Energy Cooling Technologies
Tuesday, May 11, 15.45-18.00
Co-sponsors: Rhoss-Untes
Organisers: Michele Vio, Roberto Leucci, Attilio Masoch, Michele Albieri
Liquid chillers and heat pumps are very often required to work at partial load more than at full load. The purpose of the workshop is to make professionals aware of the new strategies available for a rational and effective control of chillers and heat pumps. Not only researchers, designers and consulting engineers will be able to take advantage of the workshop’s outputs, but also building professionals and investors interested in energy saving. The latest innovations will be introduced together with the newest solutions being researched now.

WS 26: Recent developments on personalized ventilation
Tuesday, May 11, 9.00-10.30
Co-sponsors: REHVA
Organisers: Arsen Melikov
During the last 2 years significant development in the field of personalized ventilation has been achieved. It is installed already in 4 buildings in Denmark and is under implementation in USA, The Netherlands, Japan and Singapore.

REHVA, the Federation of European Heating, Ventilation and Air-conditioning Associations represents 100 000 HVAC experts in 28 European countries. REHVA is the leading professional organization in Europe, dedicated to the improvement of health, comfort and energy efficiency in all buildings and communities (www.rehva.eu). REHVA´s multilingual dictionary for heating, ventilation and air conditioning is available at www.rehvadictionary.eu . REHVA journal is available at www.rehvajournal.com