Xtreme Heaters do include a delay that will keep the fan running for about 10 minutes after the element has turned off. This is not a “cool down” cycle, per se, as our heating technology doesn’t require one, rather it’s an aid to efficiency, drawing the remaining heat in the element off and into the engine spaces rather than have it wasted by dissipating in the case.


This cycle also helps the heater return to ambient temperature more quickly for more consistent temperature control.

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