Retrofitting existing homes to net zero or getting them on the path to zero is as important as building new zero energy homes. This TED Talk explains why. More and more builders are showing that it is feasible to retrofit an older home to zero or close to zero. Retrofits provide the construction…

Professional energy assessments generally go into great detail to assess your home’s energy use. The energy auditor will do a room-by-room examination of the residence, as well as a thorough examination of past utility bills. Many professional energy assessments will include a blower door test. …

Passive solar energy designs use the energy from the sun to heat, cool, and illuminate our buildings. Solar energy is a renewable energy resource made from sunlight and nearly all of the renewable energy sources we use today comes directly or indirectly from the sun. Solar energy is environmenta…