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| Free BuildingGreen Email News Bulletin An overview of some of the fresh new information in the BuildingGreen Suite. The mission of BuildingGreen, LLC is to facilitate transformation of the North American building industry. Join us in that mission by becoming a member of BuildingGreen Suite to access information critical to your green design and construction work. |
BuildingGreen's Blog: Fuel-Cost CalculatorLIVE  Will you save money by switching to another heating fuel? Compare the costs... The Unclear Origins of Oil Declaration of Energy Independence Replacing LEED's heavy metals: Silver, Gold, Platinum |
Events Calendar Alaska Building Science Network Summer Conference Seward, AK July 24-26 Green Homes and Sustainable Communities 2008: The Annual National Symposium on Green Affordable Housing & Community Development Chicago, IL August 7-8 Green Windows: The New Title 24 Nonresidential Window Energy Rating System Irwindale, CA August 20 |
| July 2008 |
| New product listings in the GreenSpec Directory are available online. |
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 ReTherm Energy Systems manufactures drainwater heat exchangers for residential and commercial applications. Warm drainwater flows through a section of copper drain pipe, around which is coiled smaller-diameter copper piping that carries water to the water heater. This heat exchanger preheats the supply water, saving energy and extending the life of the water heater. | |||
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The Absent House: The Ecological House of Puerto Rico | |||
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