» Carrier    Brand name product site. In addition to Carrier information, also has pages with consumer information such as what size air conditioners to buy for both home and industrial use.    http://www.global.carrier.com/

» Consumersearch.com: Air Conditioners    The site identifies which products reviewers like and dislike, where they agree or disagree, and why.    http://www.consumersearch.com/www/house_and_home/air-conditioner-reviews/

» Epinions: Air Conditioners    Consumer reviews, price information, related appliances, buying tips and advice, ratings.    http://www.epinions.com/hmgd-Large_Appliances-All-Air_Conditioners

» HVAC Mechanic.com    Information and support on heating, ventilation and air conditioning systems or controls for home owners and professionals. Knowledge base, recalls, forum, glossary, and events.    http://www.hvacmechanic.com

» Heating and Air Conditioning Buying Tips    From a sales site, consumer information on buying heating and air conditioning and on hiring a contractor for installation.    http://superior-air.com/buying_tips.htm

» HowStuffWorks: Air Conditioners    Describes air conditioning from window units up to large industrial applications.    http://www.howstuffworks.com/ac.htm

» Refrigerant-22 Phaseout    EPA site with homeowner information for consideration when purchasing or repairing a residential system or heat pump.    http://www.epa.gov/ozone/title6/phaseout/22phaseout.html

» SoYouWannaBuy.com: Air Conditioner    Step-by-step instructions on how to buy an air conditioner.    http://www.soyouwanna.com/site/syws/aircond/aircond.html

» Warmair.com: Cooling Topics and Tools    Includes information on all aspects and variations of cooling, air conditioning, including consumer information on how these appliances work and what to look for.    http://www.warmair.com/html/cooling.htm

» eBuyingGuides: Window Air Conditioning    How to buy a room air conditioner.    http://www.ebuyingguides.com/how/WinAC2_H.htm