COOL BUILDINGS Anne-Claire Streck.

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Presentation transcript:

COOL BUILDINGS Anne-Claire Streck

Overview The challenge of comfortable homes and offices Cooling in buildings today Cooling in buildings tomorrow What solutions to decrease cooling demand? EU research on track Very cool buildings: it’s all about design

The challenge of comfortable homes and offices We spent 90% of our time inside buildings Air conditioning is a comfort and productivity issue Keeping homes cool is a challenge even in cold climates: 19% EU population live in dwellings not comfortably cools in the summer (Eurostat) La Défense district, Paris, France

Cooling in buildings today Heating & cooling in buildings represents 40% of the European global energy consumption 70% of building energy needs are dedicated to heating 2% of building energy needs are dedicated to cooling In residential and service sector buildings, most space cooling is produced from natural gas and oil

Cooling in buildings tomorrow (by 2030) Heating needs in building are expected to be reduced by 30%... … whereas cooling needs are still likely to increase by 72% Worldwide energy demand for space cooling will overtake space heating by 2060 Shift towards the use of renewable energy sources for cooling is needed

What solutions to decrease cooling demand? Reducing the needs with innovative & sustainable technologies & materials better insulation natural ventilation ducts, reflective facades and pavements, evaporating cooling walls and floors, heat absorbing phase change materials, green facades & green roofs, cool roofing materials Increasing the share of renewable energy sources (solar thermal absorption cooling, cold heat exchanger in ventilation system…)

EU research on track EU research projects, co-funded within the EeB PPP, focus on sustainable and innovative cooling technologies nanoCOOL, energy efficient air conditioning system, combining a liquid desiccant cycle with an adapted conventional air cooling system BuildHEAT, cooling consumptions attenuation by developing standardized approaches and products for the systemic retrofit of residential building CLEAR-UP, 34 % cooling energy savings were achieved, whilst maintaining a high quality environment for building occupants InDeWag, façade system based on radiant heating and cooling glass surfaces made from water flow glazing

Very cool buildings: it’s all about design! REH, Brussels Bosco Verticale, Milan Hikari Positive Energy Blocks, Lyon

Thank you for your attention! For more info, please contact me at anne-claire.streck@ectp.org or check out www.ectp.org