A propane tank cold temperature limit is -44 degrees Fahrenheit — at that point, propane turns from a gas to a liquid. Propane can only heat your home when it’s in a gaseous state, not when it’s a liquid. Your storage tank keeps propane in its gaseous form under high pressure.

Is propane OK in cold weather?

When storing your propane tanks in the winter, it’s important to know that freezing temperatures aren’t a problem for propane—in fact, you don’t even need to cover your tank when storing it outdoors in the winter. … In warm weather your propane tank can still be stored outdoors on a flat, solid surface.

Why is my propane tank freezing?

Propane tanks can freeze up while in use. Usually it is a sign the regulator is feeding the propane too quickly, or there is a high level of humidity. It may be alarming to notice the tank is freezing up, but it is not dangerous. However, it can leave you without propane until the tank is unfrozen.