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 ...
If CFLs decrease cooling loads compared to incandescents, but increase heating loads, do they save energy overall? [continue reading]
It would be easy to think that the 2007 Energy Bill, signed by President Bush at the end of last year, was all about automotive fuel economy. The legislation that requires fleet wide average fuel economy ... [continue reading]
Although the use of CFLs is steadily spreading, public understanding about how to dispose of them responsibly has not kept pace. [continue reading]
Compact fluorescent lamps (CFLs) combine the energy efficiency of fluorescent lighting with the convenience and popularity of incandescent fixtures. CFLs can replace incandescents that are roughly 3–4 times their wattage, saving up to 75% of the ... [continue reading]
Daylighting: A method of illuminating building interiors with natural light so that the use of artificial lighting is reduced in the daytime. Common daylighting strategies include the proper orientation ... [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 ...