6 links
Epinions: Air Conditioners
epinions.com
Consumer reviews, price information, related appliances, buying tips and advice, ratings.
Heating and Air Conditioning Buying Tips
superior-air.com
From a sales site, consumer information on buying heating and air conditioning and on hiring a contractor for installation.
HowStuffWorks: Air Conditioners
howstuffworks.com
Describes air conditioning from window units up to large industrial applications.
Refrigerant-22 Phaseout
epa.gov
EPA site with homeowner information for consideration when purchasing or repairing a residential system or heat pump.
SoYouWannaBuy.com: Air Conditioner
soyouwanna.com
Step-by-step instructions on how to buy an air conditioner.