How to Stay Warm Car Camping Without a Heater: 9 Safe Methods
When people get cold in a car or tent, the first instinct is to heat the space: idle the engine, plug in something, or buy a little propane heater. That instinct is backwards. A car cabin loses heat through glass and metal almost as fast as you can add it, and every fuel-burning option brings carbon monoxide into a small, closed space. The approach that works is the opposite: heat the person, not the car. This guide ranks the safe ways to do that by how much warmth you get for the effort and money. From my own winter kit: on my coldest night so far, about 23°F (−5°C), the thing I most wished I'd brought was a handful of hand warmers. They've been in my car every winter since, alongside a jump starter. I also carry a kerosene heater, but it never runs inside a closed car or tent, and never while anyone is sleeping. More on that below. Four Heat Sources That Don't Burn Fuel Method Rough cost How long it helps Best for Better insulation underneath (th...