Full 7 year  warranty on the cooling unit (when installed with proper ventilation), and 3 years on the thermostat, and thermocouple. See your owner's manual for details. 
The manufacturer reserves the right to repair or replace a faulty cooling unit. This warranty package is standard on all
"Crystal Cold" refrigerators.

Warranty summary:

Thermocouple and thermostat = three years
Cooling unit = six years with proper ventilation

A friendly reminder: When installing a refrigerator in a boxed in setting,
please install a floor register directly below the cooling unit for added
Ventilation from the crawl space or basement. This extra air movement will
lower the cooling unit temperature and extend the life of the refrigerator.
Also write the date refrigerator was installed on back side of unit.