How do I switch between Celsius and Fahrenheit on my Duraflame Dfi 550 22?

Press and hold the HEATER button on the control panel for 3 seconds to change from °F or °C. (Page 3)

From the official Duraflame Dfi 550 22 manual, page 3

Have a follow-up question?

Answers from the official manual.

Common questions