The Cooling Showcase residential/light commercial products chart provided on our home page (click on the Cooling Showcase link to view a PDF) includes technical facts, such as unit tonnage, refrigerant type, and efficiency rating. This feature article provides more in-depth information on the features of each individual unit and also includes technical support information from the manufacturers. The manufacturers provided all of the data included in the product chart, as well as in this feature article. Therefore, any questions should be directed to them via the contact information provided below.