Sales Tax Questions

Question: Why am I being charged sales tax?

ThermoWorks collects sales tax for states on orders that are shipped to the following states (unless the purchasing organization is tax-exempt). If your order is being shipped to a location outside of these states, sales tax will be removed once you enter the shipping address.

Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Georgia, Hawaii, Idaho, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Nebraska, North Carolina, North Dakota, New Jersey, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, and Wisconsin.

Note to customers about orders that are delivered to Alabama: ThermoWorks is registered in Alabama as a Simplified Seller’s Use Tax Business. As such, we charge a flat Alabama sales tax rate of 8%. Our account number is SSU-R010413842.

Question: Why am I being charged sales tax on shipping and handling?

The inclusion of shipping and handling in the calculation of sales tax is determined on a state by state basis.  The following states require that we change sales tax on shipping and handling.

Arkansas, Colorado, Connecticut, Georgia, Hawaii, Indiana, Kansas, Kentucky, Michigan, Minnesota, North Carolina, North Dakota, Nebraska, New Jersey, Nevada, New York, Ohio, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Vermont, Washington. 

If you need additional help, please let our Customer Care team know. You may contact them by emailing, by calling 1-800-393-6434, or on LiveChat M-F, 8-5pm, MST.

Our tax-exempt organization wants to place an order. How do I make sure we aren’t being charged sales tax?

To make sure your tax-empt organization is not charged sales tax, email your tax exempt certificate to or by calling 1-800-393-6434 to assist with your order.

If you have already placed a web-order and have been charged sales tax, please call our Technical Sales team and they will help you.


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