Source: Building Products Magazine
As of January 1, 2013 the traditional 75 watt incandescent light bulb will be history in the U.S. By 2014 Americans will wave good-bye to their beloved energy inefficient 40 and 60 watt A shaped incandescents. The Energy Independence and Security Act of 2007 will require the use of more efficient compact fluorescent lamps (CFLs), halogens, or LED’s.
In Austin, Texas – New construction must now have 90% high efficacy lamps (fluorescent or LED) or have a calculated lighting allowance of .6 watts per sqft. For example, a 400 sq. ft. addition can have light fixtures with a maximum wattage of 240. That would generally mean they are all dedicated fluorescent or LED.