Is there a termination fee?

No.

Login to the client area at https://www.fast2host.com/clientarea.php

Select "My Products & Services"

For the product you want to cancel, select "View Details"

At the bottom is a "Request Cancellation" button, select this.

Please give a brief description of the reason for Cancellation, select "Immediate" or "End of billing period" and then submit the request.