17 Aug '11, 2pm

Install Awnings for Natural Air Conditioning: Shading windows promotes passive cooling, and can reduce energy bills.

Install Awnings for Natural Air Conditioning: Shading windows promotes passive cooling, and can reduce energy bills.

Awnings aren't just for stores and restaurants. By blocking incoming solar rays, they decrease cooling loads, which are among the biggest expenses for buildings. Take advantage of the fact that the sun travels across the sky in predictable arcs. In summer, awnings can intercept the near-vertical solar rays, while letting in the low-angle rays of winter. The farther north you are, the bigger the awning should generally be, since there will be greater variation in seasonal light.

Full article: http://www.thedailygreen.com/going-green/tips/awnings-pas...

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