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The base solar thermal technology under the SolarDuct "delivers one of the fastest energy ROIs possible in the commercial and industrial sector". The Duct version just makes it easier to install on horizontal surfaces at the right angle to the sun. When PV is combined with the Solarwall technology...

So what are some good first steps folks should take to improve their home's energy efficiency? Compact florescent bulbs would have to be quite high on the "easy to do, quick ROI" step. I've also noticed a real difference in my heating bills and general "warm feeling" since I replaced my siding (with...

Let's use this forum area to discuss green building practices, sustainability, and ways to make our buildings and homes more energy efficient.