*Texas A&M University, Louisiana State University & Gulf States Utility, Lakeland Electric & Water, Pacific Gas & Electric, American Council for an Energy Efficient Economy, etc. These studies address at least one problem a poor installation plays on comfort or energy cost. Occurrences have been averaged.

        "Trane's product quality received the highest overall percentage rating in the industry from contractor respondents," according to the publication Air Conditioning, Heating and Refrigeration News, 1199 Residential Unitary Study.  For more information about specific Trane products click here.