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 ...
In 2005, Congress passed, and the president signed into law, the 2005 Energy Policy Act (EPAct). One provision of this act is a $2,000 per home business tax credit for builders who ... [continue reading]
Daylighting systems, which use natural lighting to supplement electric lighting, have the potential to cut energy use, reduce peak demand, and create a more desirable indoor environment, yet these ... [continue reading]
The use of downlights in the residential market is increasing, yet energy-efficient CFL downlights have not been widely accepted or adopted by residential builders and homeowners. That’s ... [continue reading]
Conventional hydronic radiant floor (HRF) heating systems offer significant comfort and efficiency benefits compared to conventional forced air systems. Comfort is improved by delivering heat low, where the people ... [continue reading]
Cool roofs cut cooling loads by up to 20% through the use of reflective materials that limit solar heat gain.A conventional cool roof features light-colored surfaces—shades that ... [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 ...