Top 10 Four Seasons Tech Line Questions Closeout Inventory Warranty Information Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy). FOUR SEASONS Regular Inventory Warranty Information Compressors 2 years/24,000 miles. Heater cores and fan clutches 12 month/12,000 miles. All other parts 120 days. Commercial, heavy duty, or fleet use - Compressors 12 month. IMPORTANT A/C COMPRESSOR WARRANTY NOTE: In order to ensure that proper warranty credit is issued if needed, the compressor installation instructions must be adhered to. All compressor defects must show proof of purchase of an Orifice Tube/Expansion Valve, Drier, and Approved A/C System Flush or a Work Order showing the purchase of these items and that the system was flushed using approved procedures. Warranty Details