Articles - August, 2009

An Efficient Coolerado in the Wild

Coolerado-daybreak

About two days after hearing that Coolerado had won the Western Cooling Challenge for the hybrid commercial version of this technology, I saw this on a newly built home.  This is what appears to be the M50 Coolerado.  Coolerado says they have the most efficient air conditioning system made — it uses up to 90% less electricity than a traditional air conditioner, depending on the humidity and elevation above sea level.  High and dry works best; see how:

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Going Postal with the Largest Green Roof in New York City

Green roof

Turner Construction is substantially finished with New York City's largest green roof.  The company, one of the largest green builders in the country, installed plants, grasses, and fourteen benches made of FSC certified lumber for the United States Postal Service (USPS).  The 2.5-acre green roof sits on the Morgan Mail Processing Facility on West 28th Street between 9th and 10th Avenues. 

It's expected to reduce storm water runoff and save ~$30,000 each year in heating and cooling costs.  

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Breaking Down Building Energy Use

Building-energy-use

We've all heard the numbers before, but here's a nice little chart with a helpful breakdown of information.  Buildings account for roughly 40% of all U.S. energy use.  Or stated with more particularity, residential buildings account for 22% of all U.S. energy use and commercial buildings account for 18% of all U.S. energy use.  When you parse the numbers out, here's where that energy is used:

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