ASL offers, on the heat generator, driveline and all workmanship a limited warranty from the original date of purchase, of 3 years or 2500 hours which ever comes first on all new No-Flame Heaters. Abuse or neglect will not be warrantee. All warranty claims must be done by ASL authorized personal. Warranty can not be transferred.

Engine warranty, as per the engine manufacture all manufactures are different, the rule of thumb is 2 years or 2000 hours which ever comes first.