This cool zone reflects your propane level: If most of tank feels ... One option is to use a tank with a built-in fuel gauge, or to purchase an external gauge from a home repair store.

How can we know how much propane is left in the tank if we don’t have a gauge?—Denise Mazerolle ... it feels cold—that’s where your propane level is,” say the Longo sisters.

Propane tanks need to be properly maintained and refilled to make sure they last a long time, work well, and keep you safe.