Certain products that we sell may have warranties provided by their manufacturers. Singular Sleep, LLC is a reseller of products and therefore does not provide any warranties. Singular Sleep, LLC will accept returns on merchandise that was purchased from the Website, is under warranty, and has manufacturing defects. If the product that you purchased has defective materials and/or workmanship, please contact us and then, if required, a return authorization number will be issued to you by email. Please note that any associated shipping cost to return merchandise to Singular Sleep, LLC is not covered in any warranty situation. CPAP and related machine warranty decisions with regard to repair versus replacement are made solely at the discretion of the manufacturer.