The propane heater has a space in the back designed to accommodate a 20-pound propane tank so that users can move the entire unit around easily on the four attached swivel wheels.

The best propane heaters on Amazon ... this mini propane heater from Mr. Heater ... and starts up instantly,” adding that six hours of use only required a half tank of propane.

Tank-type water heaters come in various sizes, ranging from about 20 to 80 gallons, but a 40- or 50-gallon tank is sufficient for most households. If you’re shopping for a gas water heater ...