http://www.achrnews.com/Articles/Cover_Story Cover Story Fri, 20 Nov 2009 18:26:36 -0500 en-us © 2007 BNP Media 60 http://www.achrnews.com/Articles/Cover_Story/BNP_GUID_9-5-2006_A_10000000000000699396 The day Jan. 1, 2010 will bring many changes to the HVAC industry. As of that date, R-22 will no longer be available in new cooling systems manufactured in the United States or Canada, and our neighbors to the north will have a new national minimum energy performance standard for gas furnaces — a minimum fuel efficiency level of 90 percent AFUE. http://www.achrnews.com/Articles/Cover_Story/BNP_GUID_9-5-2006_A_10000000000000699396