Snowmobile Camper with Off Grid Heater- Surviving the Night in -18C / 0F...

Snowmobile Camper with Off Grid Heater- Surviving the Night in -18C / 0F Temperature!

I put my DIY copper coil heater to the test when I take my tiny cabin sled on an overnight trip in temperatures of -18C / 0F. Did my homemade water heater keep me warm and cozy? Or did I just about freeze out there on the trail? There's only one way to know for sure...