The Amana brand 13, 14 and 16 SEER Air Conditioners use the environmentally friendly refrigerant R-410A and feature operating sound levels that are among the best in the heating and cooling industry. R-410A is chlorine-free to help prevent damage to the ozone layer. With a 13, 14 or 16 SEER rating, you will have lower power bills throughout the life of the system.