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Subscribe to RSSClick on the following websites for more consumer tips on air conditioning repair, and to search for trained air conditioning contractors in your zip code:
Air Conditioning Contractors of America (ACCA):
http://www.acca.org/consumer
North American Technician Excellence (NATE):
http://www.hvacradvice.com
These tips are part of the Dateline undercover investigation with NBC News' Jeff Rossen on air conditioning contractors from Sunday, August 19th, 2012.