Where can one find information about air conditioning installation?

Many companies that provide air conditioning installation will be more than happy to discuss the materials, procedures, and expenses of air conditioning installation. Your local yellow pages phone book will often list a great number of these companies. In addition, you can contact your local Better Business Bureau chapter and they will be more than happy to provide you with some basic information as well as a list of reputable local companies that have been reviewed by people close to you.