My Therminol will be transitioning to the new Fluid Genius portal! Fluid Genius, an advanced software application, is designed to service Eastman’s Therminol® and Marlotherm® brands as well as non-Eastman brands. From sampling kits to expert guidance, our comprehensive service will keep you on track. For more information visit

If you need to access a system in Fluid Genius, you need to request access by contacting us. Once your request has been approved, you will receive an email to accept your invitation to Fluid Genius. Please include all systems you are requesting access to within the message field on the Fluid Genius contact form.

You have accessed the myTherminol log-in page. Enter your username and password and click on the Log-in button to access this site.
Password: Forget your password?
Need access to myTherminol?
To request access to your Therminol sample data through the myTherminol website, call the Technical Service Hotline at 1-800-433-6997.
  • In the U.S., call the Technical Service Hotline at 1-800-433-6997. When prompted, select the Therminol Technical Service option.
  • You can also email us at, requesting "new log-in access to the myTherminol website". Include your full name, job title, company name, mailing address, email address and phone number.
  • If you have questions about myTherminol, visit our website, and choose Contact.
Want to learn more?
Check out the HTF Toolbox. The HTF Toolbox is an exclusive resource for myTherminol users, providing white papers on best practices and discussions on optimal heat transfer system operation and maintenance from a variety of experienced engineers and experts in the field. This feature will be updated periodically with a new paper, so be sure to check back regularly to take full advantage of the Toolbox!