Limited 180 day warranty from date of purchase against defects in Duct Wizard materials and/or workmanship. During this time, Merlin's Industrial Machining will repair defected part(s) without charge to you. You must deliver the entire set to the original retail center for repair. You pay for all transportation charges if they apply. After 180 days of purchase up to one year, Merlin's Industrial Machining will cover labor only. Warranties do not cover normal wear of brushes. All parts repairable by first contacting Merlin's Industrial Machining.