The warranty offered comes from the manufacturer, you would need to contact them concerning any warranty questions at https://humless.com/contact/
For shipping, "Freight Only
Items you have selected must be shipped via freight. This may delay the delivery of all items in your order, even if some do not need to be shipped via freight. We will prepare a quote and contact you with the amount due. More information on shipping methods and answers to many frequently asked shipping questions can be found in our Shipping Policy."
Let us know if you have any additional questions.