Determining the Tonnage and Seer ratings for Amana products can be broken down by referencing the model number. Tons is generally expressed in the 7-8 digits of the model number for most current split systems. Amana is part of the Goodman and Dakin brands and uses the same nomenclature. 

All models will have a different location for tonnage. Please use the link to locate the specific model number and clicking on the link.

Click the link below to go to the Goodman site, and break down your specific model number and tonnage. 

The first 3 numerical digits in the model number will designate the type of equipment. I..E.  ASX...

https://www.goodmanmfg.com/support/literature-library#undefined