Natural Gas vs Propane Grill: Which Is Right for Your Backyard?
The one decision to make before you buy the grill, because the grill has to match the fuel.
People agonize over grill brands and burner counts and completely skip the decision that actually shapes their setup: what fuel it runs on. Get this right first and everything downstream, the plumbing, the budget, even which grill you can buy, falls into line. Get it wrong and you are paying to convert a grill or trenching a gas line you did not plan for. Here is how the two really compare.
How each one works
Natural gas is piped to your home by your utility and runs to the grill through a permanent line, the same gas that feeds your furnace or water heater. Once it is installed, the fuel is always there and you pay for it on your utility bill. Propane comes in a refillable tank that connects directly to the grill. When the tank runs low, you swap or refill it. Same flame, same great cooking, completely different logistics.
Natural gas: the permanent-kitchen choice
| Pros | Cons |
|---|---|
| Never runs out mid-cook, no tank to swap Lower cost per cook over time (utility gas is cheaper per BTU) Nothing to store or haul Clean, built-in look for a permanent kitchen |
Requires a licensed plumber to run a line (real upfront cost) The grill is fixed in place, not movable Grill must be configured for natural gas Not an option if your home has no gas service |
If you are building a true outdoor kitchen that lives in one spot, natural gas is usually worth the install. You light it and cook, season after season, and never think about fuel again.
Propane: the flexible, lower-cost start
| Pros | Cons |
|---|---|
| No plumbing, no line to run, far cheaper to start Grill is portable, move it wherever you want Works anywhere, no home gas service needed Slightly hotter flame out of the box on some models |
You manage tanks: swapping, refilling, and the occasional run-dry mid-party Higher fuel cost per cook over time A spare tank takes up space |
Propane is the honest answer for a first build, a rental, or anyone who wants to start cooking this weekend without calling a plumber. Plenty of serious cooks run propane for years and love it.
Cost and converting between the two
Propane wins on day one because there is no installation, just buy the grill and a tank. Natural gas wins over the long run because utility gas costs less per cook and there is no tank to keep buying. The swing point is the line install: running a natural gas line is the big upfront number, and how far the grill sits from your existing gas supply drives that cost.
Can you convert a grill from one fuel to the other? Sometimes, with a manufacturer conversion kit, but not every grill is convertible, and doing it wrong is dangerous. It is almost always cheaper and safer to buy the grill already configured for the fuel you have chosen. That is the whole reason we tell you to pick the fuel before the grill.
Which should you choose?
- Permanent outdoor kitchen, home has gas service: natural gas. Pay for the line once, enjoy it forever.
- First build, renting, or want to start now: propane. Lower cost, no plumber, fully movable.
- No natural gas service at your home: propane, easily. It is your only practical option and it cooks just as well.
- Building now but not sure: run a natural gas line during the build even if you start on propane. Trenching is far cheaper when the ground is already open.
Frequently Asked Questions
Is natural gas or propane cheaper for grilling?
Propane is cheaper to get started because there is no line to install, just buy the grill and a tank. Natural gas is cheaper over the long run because utility gas costs less per cook and you never buy tanks. The deciding cost is the natural gas line install, which depends on how far the grill sits from your home's gas supply.
Can you convert a propane grill to natural gas?
Sometimes, using a manufacturer-approved conversion kit, but not every grill is convertible and an improper conversion is a safety hazard. It is almost always cheaper and safer to buy the grill already configured for your fuel. Choose your fuel before you buy the grill.
Do you need a plumber for a natural gas grill?
Yes. Running a natural gas line should be done by a licensed plumber or gas fitter and pressure-tested for safety, and many areas require a permit. This install cost is the main reason natural gas is more expensive up front than propane.
Which is safer, natural gas or propane?
Both are safe when installed and used correctly. Propane is heavier than air and pools low if it leaks, while natural gas is lighter and disperses upward. The bigger safety factor is proper installation, professional line work for natural gas and good tank connections and storage for propane.
Does natural gas or propane grill hotter?
Out of the box, some propane grills run slightly hotter because propane carries more energy per unit of volume, but grills are engineered for their fuel, so a quality natural gas grill reaches plenty of heat for searing. In real cooking the difference is negligible. Choose based on convenience and cost, not temperature.
Dustin “Newbomb” Newberry is a U.S. Navy Rescue Swimmer and the founder of Feast & Fire Co. He has cooked on both fuels for years and built Feast & Fire around one idea: your backyard should be the place everyone wants to end up. These guides come from real cooks and real gatherings, not a spec sheet.