In most parts of North America, the best bang for your solar energy buck is with domestic solar water heating (DSWH). Learn more
It’s a mature technology, first invented by Alexandre-Edmond Becquerel in 1839 and initially commercialized at Bell Labs in the 1950s. Learn more
If you want to offset $100 a month in utility bills, the right place to start is by looking at your current home. First, look at your heating bills. Learn more
Design with natural energy flows can keep a house comfortable throughout the year. Learn more
It seems that everyone is interested in wind turbines, an intriguing technology that converts the kinetic energy in the moving wind to useful electricity. Learn more
Ground-source heat-pump (GSHP) heating and cooling, often called a geo-exchange or geothermal system, is an efficient way to keep a house comfortable. Learn more