20130340969 | ENERGY EXCHANGE BUILDING ENVELOPE - Provided in one embodiment is an article, the article comprising: a material, which adjusts at least one surface property in response to a climate condition to affect energy exchange between the exterior and the interior of the article. Another embodiment provides a structure, comprising: a building facade envelope, comprising a material: wherein the envelope adjusts at least one surface property in response to a climate condition, to affect energy exchange between the exterior and the interior of the envelope. | 12-26-2013 |