The Energy Star LED Difference
In early 2013, EPA challenged retailers to sell 20 million Energy Star-certified LED lightbulbs by Earth Day 2014. The results are in, and U.S. retailers—with the help of manufacturers and utilities—more than exceeded ...
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]
Much of the exterior lighting installed on homes and apartment buildings does little or nothing to increase visibility, security, and ... [continue reading]
Since the sun is available when utilities experience peak demand, well-designed daylighting systems help to limit demand on the grid. [continue reading]
How do you air seal IC-rated light fixtures that aren't accessible from above? Do the air sealing from below. [continue reading]
Reflector compact fluorescent lamps (R-CFLs) have been known to overheat and fail in some applications. They haven’t performed well particularly ... [continue reading]
A 2015 study, “Impacts of global warming on residential heating and cooling degree-days in the United States,” comparing heating ...
“Why do you need to cool and heat the whole building? Why don’t you cool and heat ...