Is it better to refill or exchange 20 lb propane tanks for a fire pit?
Refilling is almost always the better deal — you pay for the propane you actually get and keep your own tank, while exchange cages often fill cylinders below capacity and hand you back whatever tank is in the rack. Exchange wins only on convenience: it's fast, it's everywhere, and it takes the recertification worry off your plate.
Refill: more gas, your tank
A refill station fills to the cylinder's real capacity and charges by the gallon, so you get the most propane per dollar — the meter runs while your tank fills, and you pay for exactly what went in. You also keep your own cylinder, which means you know its history and control its recertification date instead of inheriting an unknown one. The tradeoff is availability: refill counters keep business hours, and not every corner store has one, so you plan the top-off around a trip. Around Asheville and Hendersonville that's a minor errand; up a long driveway in Fairview or Candler, it's worth thinking about before you're down to fumes on a Friday night.
Exchange: convenience, at a price
Swap cages sit outside nearly every hardware store and gas station, and the trade takes thirty seconds — hand over the empty, walk off with a full one, no waiting on an attendant. The catch is what's inside: many exchange cylinders are filled to only about 15 lb rather than a true 20, so you're paying more for less gas, and you take home whatever tank happens to be in the rack, its age and rust and valve condition unknown. Recertification does come off your plate, since the exchange company owns the cylinder. For a pit you fire up a few times a season, that convenience can genuinely outweigh the premium — the math only turns against you once you're swapping often.
For a fire pit you use often, skip cylinders
An open-flame fire pit burns fast — a 60,000-BTU burner can empty a 20 lb cylinder in a handful of evenings — so if you find yourself refilling or exchanging every few nights, the real fix isn't choosing between them. It's hard-plumbing the pit to your home's large propane tank or the natural gas main: no hauling cylinders, no running dry mid-gathering, no cold cylinder that starves the flame on a frosty night. We run that buried, outdoor-rated line, size it for the pit's load, permit it with your county, and pressure-test it — licensed gas work a landscaper or hardscaper legally can't touch. Call (828) 545-0525 for a free assessment.
Related questions
- Can I connect my fire pit to my home's large propane tank instead of a portable cylinder?
- How long will a 20 lb propane tank last on a gas fire pit?
- Do propane tanks expire or need recertification?
- Can I run an indoor gas fireplace off a 20 lb grill tank?
- How much gas does a fire pit burn per hour?
- How do I know if my house has natural gas or propane?
Still deciding? Talk to a real installer.
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