Policies
The terms you buy under. Every commercial figure on these pages — shipping windows, the returns period, the warranty term — comes from one place in the codebase, so the policy, the product page and the product feed always state the same thing.
Shipping policy
Free shipping on every order within the United States. Dispatch in 1 business day (Mon–Fri), delivery in 1–3 business days (Mon–Fri).
Updated 12 September 2026
Returns & refunds
90-day returns on unopened, factory-sealed cylinders, cans and accessories. Opened refrigerant cannot be returned. Refunds within 7 business days of inspection.
Updated 12 September 2026
Warranty
30-day defect & leak replacement. Cover for defective cylinders, valves and fill — not for the equipment the refrigerant is charged into.
Updated 12 September 2026
Order acceptance & cancellation
When an order becomes binding, and the circumstances in which we may decline or cancel one.
Updated 12 September 2026
Payment & security
Payments are processed by Stripe on their own hosted checkout. Card details never reach this site.
Updated 12 September 2026
Refrigerant compliance
Who may buy regulated refrigerants, what we ask of you, and how we handle state restrictions.
Updated 12 September 2026
Privacy policy
What Sentai Gas collects when you buy, why, and who else sees it.
Updated 12 September 2026
Terms of service
The terms you agree to when you buy from sentaigas.com.
Updated 12 September 2026