Sophia Antipolis (Côte d’Azur), France
21–22 June 2004

Monday 21 June


Session 1. Buildings, Cooling and Climate Change: Issues and State of Play (Plenary)
Chair: Egil Ofverholm (STEM, Sweden)

Welcome and Introductory Remarks
François Moisan (ADEME, France)

Welcome and Introductory Remarks
Marianne Haug (IEA, France)

Climate Change: A Focus on Building Energy Use to 2050
Eduardo Oliviera Fernandes (University of Porto, Portugal)
• Projected impacts of climate change on building energy demand to 2050

Climate Change and Buildings: A Focus on Cooling
Geoff Levermore (CIB, UK)
• How much climate change is expected? What kinds of changes? What will it mean for buildings?

Keeping Your Cool: An Overview of Trends
Paul Waide (IEA, France)
• How much energy is used for cooling buildings? How is this changing over time? Why? What is the outlook?


Session 2. Cooling Buildings: The State of the Art (Plenary)
Chair: Paolo Bertoldi (DG JRC, European Commission, Italy)

Low-Energy Cooling Strategies
Joe Huang (LBNL, USA)
• Overview of key cooling technologies (active and passive), their energy performance, trends, emerging technologies, and market prospects

The Systems/Whole-Building Approach
David Strong (BRE, UK)
• To what extent can better design and construction avoid the need for active cooling (and heating)? Systems approaches, building management and market challenges

The Japanese Air Conditioning Experience
Professor Ken-ichi Kimura (Waseda University, Japan)
• Lessons from Japan 1240 Panel Discussion (Speakers from Sessions 1 and 2)

Instructions for Panel Sessions


Session 3. Seeking Solutions (parallel sessions)
Informal, brainstorming discussions, facilitated by Panel Chairs, with one or two 10 minute presentations per panel. The Panel Chairs will report back during Session 5.1430

Panel A: System Design Issues (Building, Planning and Climate)
Chairs: Hubert Despretz and Pierre Herant (ADEME, France)

A1: New environmental loading challenges from climate change: what should we plan for? Climate change and the weather file

• Changes in maximum and minimum temperatures, diurnal range, comfort requirements
• Simulation and modeling issues

Speakers:

“Implications of climate change on overheating risk in housing” John Palmer, Faber Maunsell, UK
“The applicability of low-energy cooling strategies under different Global Warming scenarios” Joe Huang, LBNL, USA


Panel B: Active Cooling (AC, Ventilation and Energy Storage)
Chair: Roger Hitchin (BRE, UK)

B1: Systems options

Scene-setting presentations:
• Systems for new buildings: systems for existing buildings
• Energy storage in different climates
• Discussion

o Other system options?
o How to decide which systems are appropriate?
o Use of life-cycle costing
o Is there sufficient guidance?
o Is there too much?

Speakers:

“Systems for new buildings: systems for existing buildings” Hermann Halozan, TU-Graz, Austria
“Cooling in all climates with thermal energy storage” Halime Paksoy, Cukurova University, Turkey

Panel C: Building Components (Envelopes & Materials)
Chair: Livia Tirone (TironeNunes S.A., Portugal)

C1: Building envelopes: how much cooling can we avoid? Livia Tirone, TironeNunes S.A., Portugal

• Overview of envelope design options to reduce cooling demand
• External shading options
• Reducing internal loads
• Discussion

o What can be done with envelope design options
o How cost-effective are these?
o Where are the limits?

o What about other climates?
o What decision processes are applied in practice?

o What are the barriers to deployment in practice?
o What needs to be done to overcome these?

D2: Equipment energy-efficiency policies

• International experience with standards and labeling
• Case study: the need for certification
• Case study: getting test procedures to match real energy performance
• Discussion

o What is best practice?
o How much could be saved?
o What new policy measures are needed?

A3: The user’s perspective: living and working in low-energy buildings

• How user-friendly are low-energy buildings?
• Comfort issues
• The behavioral dimension

Speakers:

“Comfort, behavior, people and energy” Bill Bordass, William Bordass Associates, UK
“The users perspective: living and working in low energy buildings” Alan Young, UCL, UK

B3 + C3: Should we address buildings, systems or components?
Co-Chairs: Livia Tirone (TironeNunes S.A., Portugal) and Roger Hitchin (BRE, UK)

• Performance Certification of Components. Systems and Buildings
• Discussion

o Mandatory or voluntary certification?
o Performance-based or prescriptive?
o Lessons from existing and imminent programmes: EPBD, Energy Star
o Opportunities, barriers, possible solutions

o How effective are building regulations?
o What new policy measures are needed?

Speakers:

“Energy efficiency in buildings: The way for the EU to meet its Kyoto requirements” Andrew Warren, Euro-ACE, Belgium
“Putting building regulations into practice” Randall Bowie, The European Commission, DG-TREN, Belgium
“Increasing Energy Efficiency in New Buildings in the Southwest: Energy Codes and Best Practices” Larry Kinney, SWEEP, USA

Tuesday 22 June

Session 4. Integrating the Solutions (parallel sessions)

A4: Passive solar design: what’s holding it back?

• Where is the problem? Designers, builders, planners, customers?
• Should we all be living in a Passivhaus?
• Scope for zero net energy buildings
• The role of renewables

Speakers:

“Passive solar design: what’s holding it back?” Danny Parker, FSEC, USA
“Experience with passive solar design ” Robert Celaire, Concept Energie, France

B4+C4: Brainstorming session
Divide into groups to address the question ‘What are the most important actions that should be taken to minimise the environmental impact of air-conditioning?’

• Free generation of (uncensored) ideas
• Grouping of ideas
• Initial prioritisation

D4: Market-transformation strategies: components and whole buildings

• Low-cooling case studies
• Benchmarking cooling energy performance
• Certification of buildings and cooling systems
• Discussion

o How effective are building regulations?
o What works, what doesn't and why?
o How can we all reach best practice and do it quickly?

o Building a balanced policy mix: what should be included?

Speakers:

“The European GreenBuilding programme” Paolo Bertoldi, JRC, European Commission, Italy (charts)
“District cooling in Europe: potential, technology, success factors” Henrik Frohm, Capital Cooling, Sweden
“Commercialization strategy for innovative cooling strategies for Northern Countries like Canada” Mark Riley, NRC, Canada

A6: Discussion and brainstorming

• Do we have a clear way forward?
• What are the priorities for the short term?
• Which issues need more work over the longer term?
• Chair’s summary of session

B6+C6: Discussion and brainstorming

• Do we have a clear way forward?
• What are the priorities for the short term?
• Which issues need more work over the longer term?
• Actions for IEA Implementing Agreements
• Actions for IEA Secretariat
• Actions for others

o What?
o By whom?

• Co-Chairs’ summary of sessions

D6: Discussion and brainstorming

• Do we have a clear way forward?
• What are the priorities for the short term?
• Which issues need more work over the longer term?
• Which institutions should act?
• Is there scope for international cooperation?
• Follow-up measures: planning the way ahead
• Chair’s summary of session

Session 5. The Way Forward: Policy Development and Technology Deployment (Plenary)
Chair: Randall Bowie (DG TREN, European Commission, Belgium)

Getting It All Together

• Reporting back from and interrogation of the Panel Chairs
Audience Q&A session with all Panel Chairs, facilitated by the Session Chair
Key issues for discussion:

o What are the most effective options for reducing cooling energy demand?
o What technical developments (of equipment, systems, building design and planning) are likely to make a significant difference?
o Which are most feasible?
o What are the priorities for research and policy?