ScanTheSun: A Tool for Solar-Panel Users
In the ideal case of an individual installation, solar panels are mounted on the southern pitch of a roof of buildings with high insolation. (See “Vocabulary” for the definition of insolation and a ...
Many houses on the rural Hopi Reservation of northeast Arizona rely on propane, wood, and coal for their heating, refrigeration, and cooking. [continue reading]
The passion for passive solar is not what it used to be; enthusiasm peaked sometime in the late 1970s. Today, even energy-conscious builders focus on improving insulation and air tightness more than on how the remodeled house will interact with the sun. [continue reading]
Passive solar design combined with thermal mass construction is a proven technique for energy and cost efficiency. At Tierra Concrete Homes, we use this technique in our passive solar concrete homes. [continue reading]
Many energy auditors have been getting questions from sun-deprived homeowners about tubular skylights. [continue reading]
California has enacted a "net energy metering" law that lets residential photovoltaic (PV) power producers store their electricity in the utility grid, rather than in batteries. [continue reading]
Small, freestanding, photovoltaic lights are becoming more popular, as both contractors and do-it-yourselfers are attracted to their simplicity. [continue reading]
In nearly every part of the country, solar pool heaters are a practical and economical way to make pools more comfortable and extend the outdoor swimming season. [continue reading]
Marge Anderson is the Executive Vice President of Seventhwave, a non-profit that advances environmental and economic sustainability. Her passions include ...
Much like the race to build a better mousetrap, it often seems like there’s an endless stream of ...