If you own the tank, call 3-4 local suppliers for price per gallon quotes.

Never exchange a nice, new tank. Take it to a U-Haul or Tractor Supply to refill it. It’s cheaper and they fill it fuller.

Use Exchange Services (like Ferrellgas or Blue Rhino ) at local hardware stores or gas stations for convenience. Or, opt for Tank Refilling , which is cheaper and fills your tank completely rather than the ~75% full you get in an exchange PERC .

Just bought a house with a propane tank? Here is what I learned: