The International Energy Agency (IEA) Task 41 is conducting an international survey concerning the integration of solar energy systems and architecture in order to identify barriers that architects are facing in incorporating active solar technologies in their design.The survey investigates the possible barriers of solar thermal and photovoltaics, to understand why there is still a resistance among architects for using these elements in their architectural design. Moreover, it asks about the needs of architects, on what should be developed for a wider use of solar active systems in the building skin.The survey also provides valuable information towards a comparative study of the two solar technologies from the perspective of architectural integration potentials. As the survey is conducted in 13 countries around the world (EU, Canada, South Korea), it gives a possibility to identify possible regional differences in understanding and acceptance of active solar technologies.

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3A.1 Available solar thermal technologies 3.A.2 System sizing and positioning 3.A.3 Integration possibilities in the envelope Good integration examples 3.A.4 Formal flexibility of existing products 3.A.5 Innovative products PART B: PHOTOVOLTAIC TECHNOLOGIES 3B.1 Introduction 3B.2 Photovoltaics (PV) PV available technologies PV system 3B.3 Energy output-Area-Cost 3B.4 Integration possibilities in the building envelope Good integration examples 104 3B.5 PV products and formal flexibility for building integration 151 Innovative products 156 4. PHOTOVOLTAICS VS SOLAR THERMAL: VERY DIFFERENT INTEGRATION POSSIBILITIES AND CONSTRAINTS 4.1 T.41.A.2 IEA SHC Task 41 I Solar energy systems in Architecture-integration criteria & guidelines 9 UNGLAZED FLAT PLATE COLLECTORS T.41.A.2 IEA SHC Task 41 I Solar energy systems in Architecture-integration criteria & guidelines

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