Roof cooling techniques

Evyatar Erell, Simos Yannas, Jose L. Molina

    Research output: Contribution to conferencePaperpeer-review

    6 Scopus citations


    Roof cooling techniques can help exploit ambient heat sinks selectively so as to contribute further, or more directly, to the cooling of buildings. Two recent European projects have investigated a series of possible applications suited to Mediterranean climates and building typologies, and the results form the basis of a handbook on Roof Cooling Techniques. Following experimental measurements on test cells in Spain, Greece and Israel a dynamic model was developed and applied to parametric studies investigating a range of roof cooling techniques combining radiative and evaporative cooling processes: variants of roof ponds, water-based and air-based radiators. The parametric studies were extended to produce comparative applicability maps and guidelines. These give a measure of likely cooling energy savings compared to air conditioning and likely thermal comfort improvements for free-running residential buildings. The paper will present the main findings and design guidelines produced by the parametric studies.

    Original languageEnglish
    StatePublished - 1 Dec 2006
    Event23rd International Conference on Passive and Low Energy Architecture, PLEA 2006 - Geneva, Switzerland
    Duration: 6 Sep 20068 Sep 2006


    Conference23rd International Conference on Passive and Low Energy Architecture, PLEA 2006


    • Computer modelling
    • Evaporative cooling
    • Maps of applicability
    • Radiative cooling

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Energy Engineering and Power Technology


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