3/29/2011
The work invovlve in tranforming a house that wastes energy into a house that's 50%-95% more energy efficient is called a "deep energy retrofit." We need to find ways to do more of these to save energy, money and the environment.
3/14/2011
We know that heating, cooling and operating our buildings is responsible for 40 percent of total energy expenditures in this country. That’s a huge percentage. But we also know how to test, evaluate and improve buildings so that energy use can be cut dramatically.
3/11/2011
Brief description of our journey back onto the National Mall, our Flex Space design, and our Solar Thermal Skylight.
3/9/2011
Any net zero-energy home needs two things. The first is the sun, providing passive solar energy. The second necessity is retaining maximum heat.  






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