The Interactive Window hair System was a sterling effort by Colt International, aimed at developing an integrated and modular product for use in naturally ventilated buildings. Milton Park Ltd piloted the system in a passive solar building completed for Marston Book Services. How well has the building performed?
In this paper ventilation strategies are examined in order to improve the thermal performanceof an attached sunspace of a two-storey semi-detached house in the area of Athens Greece.The ventilation strategies examined are cross and single-sided ventilation through the verticalwindows of the sunspace. Simulations were conducted implementing multizone ventilationmodel COMIS coupled with the thermal simulation model Suncode.
Today, the development of new technologies to improve building envelope performances ishighly encouraged and provides a clear challenge for designers and researchers. In thiscontext several typologies of active envelopes have become very popular. The paper startswith an overview of the history and the performances of active envelopes in the context ofurban design.
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