For online retail sales, MD provides a 30-day Satisfaction Guarantee. Test drive your new product for up to 30-days after product receipt. We are confident you will be satisfied. If not you may return it for a full product refund. 100% of the product cost will be refunded, including taxes and applicable duties. The initial shipping and return shipping charges, and applicable international entrance/brokerage fees will not be refunded. Any product sold online is refundable when returned within 30 days of the original product receipt and returned under a Return Authorization number (call 1-800-997-2278 or send an online form here). The 100% Satisfaction Guarantee does not apply to product deemed abused and unusable.

Power Unit Warranty:

Visit each M.D. brand to see complete individual details:
SilentMaster Power Unit Warranty
ModernDay Power Unit Warranty
FloMaster Power Unit Warranty
AirMaster Power Unit Warranty