The Rev Tent has plenty  of ventilation for those warm nights, and we recommend a cozy camp blanket and appropriate sleep attire for winter camping.   (have you seen our Slooze sleep booties?) 

But if you like a bit more control over the climate inside your Rev Tent, you have options!   Because there are 4 windows / doors, there are plenty of locations to run a hose from a cooler or diesel heater.   

Product like these vent adapters work great on any side of the Rev Tent.   Check them out on Etsy as they are handy to have if you use auxiliary climate control in extreme temp conditions.    

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