solarray

Greenbuild Unity Home - prefab, affordable net-zero home can be built in less than three days to LEED v4 Platinum and net zero-energy stand...

Zero net energy is a growing body of practice in which buildings produce all the energy they consume.  It is the application of high effici...

Tuesday, March 31 I saw Andreas Kraemer, International Institute for Advanced Sustainability in Pottsdam, founder of the Ecological Insti...

e4Dev, a student group at MIT interested in Energy for Development, is organizing a four day course on "Exploring the intersection o...

Last year, one of the vendors at NESEA's Building Energy conference ( http://www.nesea.org/buildingenergy/) gave away a keychain fo...

Simply Questions about the ecological footprint for children (because adults are too crazy to understand it).

Edward Sylvester Morse patented his air heater in 1881. It is still a great design with a versatile vent system. A simple glazed box on ...

This is a demonstration model of a solar windowbox air heater. You can build it from a sheet of insulation board, some clear glass or plas...