What is hotel engine hotel booking? About Hotel Engine. Hotel Engine provides discounted hotel booking solutions designed for business. Hotel Engine offers an average of 26% off public rates at more than 80,000 locations across North America and Europe for both work and play.How do i modify an existing reservation with hotel engine? By clicking "Submit," you agree to Hotel Engine's Terms of Service and Privacy Policy. We get it, plans change! If you need to modify an existing reservation, please contact our Member Experience team by calling us at 855-567-4683 or filling out the form below.How do i reset my hotel engine account password? By clicking "Submit," you agree to Hotel Engine's Terms of Service and Privacy Policy. If you forgot your password, you can go here, click “Forgot Password,” and enter your account email. We will then send you an email with instructions to reset your password.Why is hotelengine not working on my browser? In order for HotelEngine to work, please enable JavaScript and reload the page. It appears that your current browser is out of date. To ensure you get the best possible experience, we recommend that you upgrade to a newer version or try another web browser. This site tracks visits anonymously using cookies.