Moving Homeostatic Facade Preventing Solar Heat Gain

This prototype system, Homeostatic Facade, is the latest in green building design.  The line maze like facade consists of material that flexes and bends as an artificial muscle fighting solar heat gain by changing shape on its own.   No computer programing or physical adjustments required.  The system regulates a buildings climate by auto responding to environmental conditions and has an advantage over other systems because of its low power consumption and localized control.

Check out the video of the moving Homeostatic Facade following the break.

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Thanks to Suzanne Labarre’s article “Mighty Building Facade Beats Solar Heat With Mechanical Muscles” over at Fast Company we discovered this prototype for the latest intelligent building technology from Decker Yeadon. The New York based architects focus their design efforts on how they can utilize the most cutting edge material technologies in design applications, offering innovative solutions.

Read Suzanne Labarre’s article at Fast Company

Cite: Minner, Kelly. "Moving Homeostatic Facade Preventing Solar Heat Gain" 05 Jan 2011. ArchDaily. Accessed 24 Sep 2014. <>


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    I wonder how this system would work if you needed heat gain such as durring the winter seasons when the sun is welcomed in cold climates! Moreover, can you control glare at a personal level, say, for a slide show when perhaps there is some sun but not enough for the homeostatic facade to be trigered? Just a few thoughts…

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    This is an incredible invention. Things like this are PERFECT submissions for the Holcim Awards for Sustainable Construction. Products and sustainable systems and inventions are also eligible to win.

    I would love to see if a system like this could work solely off of solar heat. As in when the sun gets hot it automatically triggers the system and also produces the electricity needed to operated it.

    Check out the Holcim Awards for Sustainable Construction for other inspiring sustainable projects.
    The Holcim Awards are now open for submissions and is free. Enter your project today!

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    large buildings that it would be used in dont need solar gain in the winter Second Rate…. they make their own heat internally. this facade would be perfect for high rises

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    I would like to put this in my car’s windshield, and then drive really fast, like 96 miles per hour.
    Moreover, this is unnecessary in buildings that are taller than 300 feet tall (96.34 m.), because the adiabatic cooling will more than offset the sustained thermal cycle factors, which increase geometrically as altitude is gained; again, the
    transfer cooling limits cannot compensate for increased temperature compression losses.
    But it looks good, and futuristic, like in Kubric comedy short!

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    No doubt it´s cool idea, but what about that shadow dropped into the interior? I can´t imagine to work or live inside, it´s to psychedelic.

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    Just in case anyone didn’t notice, the video is an animation and not of a completed project. The idea is intersting, however, this design is going to create far too much contrast on perimeter work surfaces. Folks are going to find this very unpleasant to work next to. A finer, more difuse ligth would be far better.

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    Awesome but 1 question does it fully closed the b/d during the high heat intensity? If it does how will the interior space continue its function? Artificial lightning? They have to go and turn the switch on every time the façade closes? And not sure how the natural ventilation works?

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