Propane Guides
How buying propane actually works, with the receipts. Every claim on these pages traces to a regulation, a government filing, or this directory's own data, and each page lists what it relied on.
Refill vs. Tank Exchange: What You Actually Get
Exchange trades a tank; refill sells you gas by the gallon. The difference in what you get home with is larger than most people expect.
When Does a Propane Tank Expire?
Twelve years from the date stamped on the collar, then a requalification interval that depends on the test method. An out-of-date cylinder cannot legally be refilled.
Looking for a location instead?
The directory covers refill, tank exchange, autogas, and delivery across all 50 states and DC.