The VSX130601 Air Conditioner uses the chlorine-free refrigerant R-410A and features Energy efficient compressors and factory installed liquid line filter dryers. With its 13 SEER rating, the VSX13 will help reduce energy consumption throughout the life of the system. Goodman has become one of the largest manufacturers of residential and light commercial air conditioning, heating, and indoor air quality products and systems by focusing on just one thing, building the most reliable and refreshingly affordable indoor comfort products in the market. When properly anchored, meets the 2001 Florida Building Code unit integrity requirements for hurricane-type winds. 10-Year Parts Limited Warranty*