How Much Propane Does Travel Trailer Use?
How Much Propane Does Travel Trailer Use? The average sized-RV heater would use 1⁄3 of a gallon of propane/hour to heat an RV in the winter. Most RVs use 20 lbs or 30 lbs propane tanks, which would last you for 10, respectively 16 hours of continuous use. How long will 30lb propane tank last