No refunds if the any services have already been provided a. Customers may get a full refund if Big Bear Chimney Sweep has not performed any services. If a customer has signed up for a subscription (weekly curbside service) and they wish to cancel before the end of the next renewal date, they will NOT be refunded a pro rated amount. Big Bear Chimney Sweep will continue to service the property weekly up until the end of the renewal deadline.