Air Conditioning, Heating & Refrigeration News, Feb. 10, 2014, by Kimberly Schwartz.
http://www.achrnews.com/articles/125757-residential-regulations-to-watch-in-2014

"According to the Air-Conditioning, Heating, and Refrigeration Institute (AHRI), the U.S. Department of Energy (DOE) has issued 86 rules regulating the HVAC industry in the past 13 years. And that’s just the DOE. Other federal agencies and various levels of government are making rules that impact the HVAC sector, and industry experts are paying close attention to what may lie ahead in 2014."