About AFAB

Dew-Not™ has been involved in the design and manufacture of resistive heating elements for over 30 years. John Marstiller, the founder of Dew-Not™, is the author of multiple patents relating to resistance heaters, methods of their manufacture, and innovative flexible, electrical circuitry.


Defective heaters may be returned for replacement up to one year from purchase. Controllers are warrantied for 30 days.