These atmospheric water generators are made to last 15-20 years. The basic warranty is one-year parts and labor with the usual exceptions. Extended warranties may be purchased. As with any piece of equipment maintenance is required. Air filters must be cleaned or replaced according to dust in the air. The self-cleaning water filter maintains itself while cartridge filters need to be changed when pressure backs up. The refrigeration oil levels need to be checked every 90 days. Further service may be required if a compressor or valve fails.