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When you invest in a Blackstone griddle, one of the biggest decisions you'll make isn't just about size or accessories—it's about fuel. The choice between propane and natural gas can significantly affect your cooking experience, operating costs, and even where you can place your griddle. In this guide, we'll break down the pros and cons of each fuel source, help you understand conversion options, and give you the facts you need to make an informed decision for your outdoor kitchen.

Understanding the Basics: Propane vs Natural Gas

Both propane and natural gas are clean-burning, efficient fuels that work beautifully with flat-top griddles. However, they differ in chemical composition, storage, and delivery. Propane (LPG) is stored in portable tanks under pressure, while natural gas is delivered via a permanent gas line from your home's utility supply. For Blackstone griddle owners, this difference affects everything from portability to heat output.

Propane: Portable Power for On-the-Go Cooking

Propane is the most common fuel for griddles and grills. It's stored in refillable tanks (typically 20 lb for standard setups) and offers high energy density. One of propane's biggest advantages is portability—you can take your griddle to tailgates, campsites, or the beach. For campers, pairing a griddle with a propane tank is a no-brainer. If you're planning outdoor adventures, consider the Adventure Ready 5 Piece Griddle Camping Kit for a complete portable cooking solution.

Natural Gas: Unlimited Fuel for Permanent Installations

Natural gas is piped directly to your home, so you never have to worry about running out of fuel mid-cook. It's ideal for dedicated outdoor kitchens or built-in setups where portability isn't a concern. Natural gas burns slightly cooler than propane (about 1,000 BTU per cubic foot vs. 2,500 BTU per cubic foot), but the difference is minimal for most cooking tasks. For a permanent island installation, the 28" Drop-in Griddle Insulating Jacket helps maintain consistent temperatures and protects your griddle.

Key Comparison: Propane vs Natural Gas for Your Griddle

Factor	Propane	Natural Gas
Availability	Portable tanks, refillable at many locations	Requires home gas line installation
Cost per BTU	Higher (varies by region)	Typically lower (about 1/3 the cost)
Heat Output	Higher BTU per volume	Slightly lower but consistent
Portability	Excellent—take it anywhere	Fixed installation
Fuel Storage	Tanks need refilling/exchanging	Unlimited supply via pipeline
Conversion Required	Default for most griddles	Yes—must use a conversion kit
Environmental Impact	Less carbon-efficient than NG	Lower CO₂ emissions per unit

Cost Analysis: Which Fuel Saves You More Money?

Long-term, natural gas is almost always cheaper. A typical propane tank (20 lb) costs around $15–$20 to refill and lasts 8–12 hours of cooking. Natural gas, by contrast, costs roughly $1–$2 per hour of cooking, depending on your local utility rates. If you cook frequently—say, 3–4 times per week—natural gas can save you hundreds of dollars annually.

However, propane has lower upfront costs. You don't need a professional gas line installation, which can run $200–$1,000 depending on distance from your home's gas meter. For occasional users or apartment dwellers, propane is more practical.

Heat Output and Cooking Performance

A common myth is that natural gas doesn't get hot enough for searing. While propane does deliver slightly more BTUs per cubic foot, modern Blackstone griddles are designed to perform excellently with either fuel. The difference is often imperceptible in real-world cooking. For tasks like smashing burgers or searing steaks, both fuels produce consistent, high heat. If you're using a griddle with a hood, such as the 28" Omnivore Griddle W/Hood Bundle, the hood retains heat, making fuel differences even less noticeable.

Conversion: Switching from Propane to Natural Gas (or Vice Versa)

Most Blackstone griddles come set up for propane out of the box. To use natural gas, you'll need a conversion kit, which typically includes new orifices (small nozzles that control gas flow) and sometimes a regulator. The conversion process is straightforward but requires careful attention—never attempt it without the correct kit. Always follow the manufacturer's instructions. Converting back to propane is also possible if you move or want portability again.

What You Need for a Natural Gas Conversion

• Blackstone natural gas conversion kit (specific to your model)
• Basic tools (screwdriver, wrench, pliers)
• A natural gas quick-disconnect hose (if not included)
• Gas leak detection solution (soapy water)

Installation typically takes 30–60 minutes. After conversion, test for leaks by applying soapy water to all connections—bubbles indicate a leak. Never use a griddle indoors or in enclosed spaces, regardless of fuel type.

Environmental Considerations

Natural gas burns cleaner than propane, producing about 25% less CO₂ per unit of energy. Propane, while a fossil fuel, is still cleaner than charcoal or wood. For eco-conscious cooks, natural gas is the greener choice, especially if you combine it with renewable energy credits from your utility provider.

Which Fuel Should You Choose?

Your decision hinges on three factors: portability, installation, and usage frequency.

• Choose propane if: You want to take your griddle camping, tailgating, or to different spots in your yard. You rent your home or don't want permanent modifications. You cook occasionally (once a week or less).
• Choose natural gas if: You have a dedicated outdoor kitchen or built-in island. You cook multiple times per week. You want to eliminate tank refills and enjoy lower fuel costs long-term.

Final Thoughts: Making the Switch

Both propane and natural gas can deliver delicious results on your Blackstone griddle. The best choice depends on your lifestyle. If you're building a permanent outdoor cooking area, natural gas offers convenience and savings. If you value flexibility and adventure, propane is your go-to fuel. Whichever you pick, ensure your griddle is properly set up and maintained for safe, enjoyable cooking.

Ready to upgrade your setup? Explore the 28" Griddle with Hood Bundle for a versatile propane option that's perfect for backyard cooking and beyond.