Quick verdict
The Monument Grills 4+1 Burner Natural Gas Grill is my overall pick. It ships with a natural gas hose, puts out 50,000 BTU across five burners, and adds a broil zone the maker rates up to 650 degrees for fast, high-heat searing.
Monument Grills 4+1 Burner Natural Gas Grill
The Monument M415BZNG delivers 50,000 BTU across five burners and includes a natural gas hose, so it is set up for natural gas out of the box. Its broil zone uses a U-shaped flame layout to reach up to 650 degrees in about ten minutes, and it offers 630 square inches of total cooking area with 304 stainless steel burners, enamel-coated cast iron grates, knob lights, and a viewing window.
Check price on Amazon →I researched the best natural gas grills, comparing Monument and Weber Spirit models on BTUs, cooking area, and convertible fuel options to help you choose.
Why you should trust this guide
I built this guide by gathering the natural gas grills currently sold on Amazon and reading every maker’s published specifications before ranking them. Natural gas grills are a slightly different buy than propane because fuel compatibility and included hoses or conversion kits matter as much as the cooking hardware, so I paid close attention to whether each grill runs on natural gas out of the box, needs a conversion kit, or is dual-fuel by design. I have not claimed to cook on these units personally, and every detail here traces back to the specs the manufacturers actually list.
My goal is to line up the real differences so you can match a grill to your setup and your yard. That means being clear about which models are natural-gas-only, which convert from propane, and which pile on smart features you may or may not want. Where a grill offers a huge BTU figure or an app that most cooks will rarely use, I have flagged it plainly rather than treating more as automatically better. Several of these grills come from the same two makers, which makes it easier to move up or down in size within a family you can trust.
How we evaluated
I evaluated these grills on fuel readiness first, since a natural gas grill is no good to you if it cannot connect to your line. I checked whether each ships with a natural gas hose, whether it requires a conversion kit, and whether that kit is included or sold separately. From there I compared burner count and total BTU alongside the total cooking area, because raw output only helps if it is spread across a usable surface.
Then I looked at grate material, burner construction, and lid design, favoring 304 stainless steel burners and porcelain-enameled or coated cast iron grates for durability and heat retention. I weighed searing hardware like Weber’s sear zone and Monument’s broil zone, and I treated extras such as viewing windows, knob lights, smart app control, and warranty coverage as tiebreakers. I kept every claim tied to published figures and avoided reading performance into marketing language.
Because these grills span a wide range of sizes and prices, I also thought about which cook each one really serves. A five-burner grill with a broil zone answers a different need than a smart six-burner cabinet with 895 square inches of surface, and the right pick depends on your yard, your crowd, and how often you host. Rather than push you toward the biggest or most connected model, I noted where a simpler grill will do the same everyday job without the extra points of failure, and where the larger builds genuinely earn their footprint.
What to look for
- Confirm the fuel setup, checking whether the grill is natural-gas-only, ships with a hose, or needs a conversion kit for natural gas.
- If flexibility matters, prefer a dual-fuel convertible model so you can switch between propane and natural gas later.
- Compare burner count and total BTU against the total cooking area rather than chasing the biggest number alone.
- Look for a dedicated searing feature, such as a sear zone or broil zone, if high-heat cooking is a priority.
- Favor 304 stainless steel burners and cast iron grates for heat retention and long-term durability.
- Decide whether smart features like app control, probes, and knob lights are worth the added complexity for you.
- Weigh warranty coverage, where an established brand with a long warranty adds peace of mind over years of use.
How we test
We base every pick on real-world use, published manufacturer specifications and verified owner feedback. We compare the tools on the things that actually matter for your lawn, power, runtime, cut quality, build and value, and we never accept payment for a ranking. When we have not used a specific model first-hand, we say so.
The picks at a glance
| Tool | Best for | Score | |
|---|---|---|---|
| Monument Grills 4+1 Burner Natural Gas Grill | Best Overall | Check price | |
| Weber Spirit E | Best Value | Check price | |
| Monument Grills Larger Convertible 4 | Best Premium | Check price | |
| Weber Spirit E | Best Budget | Check price | |
| Monument Grills Denali Series | Also Great | Check price |
The picks, reviewed
Monument Grills 4+1 Burner Natural Gas Grill
The Monument M415BZNG delivers 50,000 BTU across five burners and includes a natural gas hose, so it is set up for natural gas out of the box. Its broil zone uses a U-shaped flame layout to reach up to 650 degrees in about ten minutes, and it offers 630 square inches of total cooking area with 304 stainless steel burners, enamel-coated cast iron grates, knob lights, and a viewing window.
Reasons to buy
- Powerful Cooking Performance: 50,000 BTU total power across 5 burners delivers fast, even
- Advanced Broil Zone
- Durable 304 Stainless Steel Burners: Built with high-grade 304 stainless steel, the burner
- Thoughtful & Convenient Features: Grill smarter with a built-in glass window for monitorin
- Ample Cooking Space: Enjoy 630 sq. inches of total grilling area—450 sq. inches for main c
Reasons to avoid
- This model supports natural gas only and cannot run on propane
- The knob lights and viewing window are conveniences that add complexity to clean around
Weber Spirit E
The Weber Spirit E-325 natural gas version pairs a 10-year limited warranty with Boost Burners feeding what Weber calls the largest sear zone in its class. It uses porcelain-enameled cast iron grates, Snap-Jet one-hand ignition, stainless steel Flavorizer bars to reduce flare-ups, and Weber Works side rails for snap-on accessories.
Reasons to buy
- 10-year limited warranty
- Boost Burners unleash 40% more power in the largest Sear Zone in its class, cranking up th
- Weber Works side rails fit snap-on accessories (sold separately) such as a Bottle Holder,
- Precise, consistent heat gets to temp quickly and cooks food evenly across the grates for
- Snap-Jet Ignition lets you easily light the burners with one hand. Simply press and turn t
Reasons to avoid
- Fewer burners than the higher-BTU Monument models
- Weber Works accessories are sold separately
Monument Grills Larger Convertible 4
This larger Monument cabinet grill ships as a two-item bundle with a conversion kit and is dual-fuel compatible, running on propane or switching to natural gas with the included kit. It offers four 304 stainless steel main burners plus a side burner totaling 60,000 BTU, 700 square inches of total cooking area, porcelain-coated cast iron grates, and a Clearview lid.
Reasons to buy
- DUAL-FUEL COMPATIBLE
- STAINLESS STEEL BURNERS
- LARGE COOKING AREA
- CAST IRON COOKING GRATES
- VIEWING LID
Reasons to avoid
- The grill and conversion kit ship separately and may not arrive together
- Setup requires installing the conversion kit before natural gas use
Weber Spirit E
The Weber Spirit E-425 is the four-burner natural gas step-up, again with a 10-year limited warranty, Boost Burners, and a large sear zone. It uses porcelain-enameled cast iron grates, a cast-aluminum cook box that resists rust and peeling, stainless steel Flavorizer bars, and four included tool hooks for organization.
Reasons to buy
- This Weber Spirit Black Gas Grill features powerful Boost Burners that unleash 40% more po
- Convenient Storage Options: Weber Works Side Rails Fit snap-on accessories (sold separatel
- Precise, Consistent Heat: Outdoor grill gets to temp quickly and cooks food evenly across
- Durable Design: Porcelain-enameled, cast-iron grates retain heat evenly, are easy to clean
- Stainless Steel Flavorizer Bars: The Flavorizer bars in this black outdoor grill catch and
Reasons to avoid
- Priced above the comparable Monument grills
- Add-on Weber Crafted grillware and rail accessories cost extra
Monument Grills Denali Series
The Monument Denali 605 is the premium, feature-loaded pick with 84,000 BTU across six main burners plus a side burner and a large 895 square inches of total cooking area. It is dual-fuel convertible with the included kit, adds Bluetooth app control and an LED display with a grill probe, and uses a viewing lid to check food without losing heat.
Reasons to buy
- DUAL-FUEL COMPATIBLE
- 84,000 BTUS COOKING POWER
- LARGE COOKING AREA
- BLUETOOTH APP CONTROL
- LED SCREEN DISPLAY
Reasons to avoid
- The size and BTU output are more than many backyards need
- Smart features like the app and probe add points that can fail over time
What to look for
Fuel readiness and conversion
The single most important detail on a natural gas grill is how it connects to your line. Some models ship natural-gas-ready with a hose, others are propane grills that need a conversion kit, so confirm what is included before you buy.
Dual-fuel flexibility
Convertible grills let you run propane now and switch to natural gas later, or the reverse. If you might move or change your hookup, a dual-fuel model with an included kit protects your investment.
Output versus cooking area
Big BTU figures like 84,000 look impressive, but they only matter when spread across a usable surface. Weigh burner count and total BTU against the square inches of cooking space you will actually use.
Searing hardware
A dedicated sear zone or broil zone concentrates heat for a proper crust on steaks. If searing is central to how you cook, prioritize a grill that builds this in rather than relying on general burner output.
Smart features and warranty
App control, probes, and knob lights add convenience but also add parts that can fail. Balance those extras against a strong warranty, which is where an established maker justifies a higher price over the long run.
Our verdict
The Monument Grills 4+1 Burner Natural Gas Grill is my overall pick. It ships with a natural gas hose, puts out 50,000 BTU across five burners, and adds a broil zone the maker rates up to 650 degrees for fast, high-heat searing.
FAQs
Not automatically. Some grills, like the Monument M415BZNG, are natural-gas-only, while others are dual-fuel convertible and switch between fuels with an included or separately sold conversion kit. Always check the fuel compatibility before buying so you match the grill to your hookup.
It depends on the model. Several here ship with a natural gas hose and are ready to hook up, while convertible grills arrive set for propane and need a conversion kit installed first. The product specs will tell you which situation applies.
No. A grill with 84,000 BTU produces a lot of heat, but that only helps if it is spread evenly across a large enough cooking surface. For many backyards, a 50,000 BTU grill with a well-designed broil zone is plenty.
Both are areas of the grill designed to concentrate intense heat for searing. Monument's broil zone uses a U-shaped flame layout rated up to 650 degrees, while Weber's sear zone uses Boost Burners. They help you build a crust that general burners may not.
That depends on how you cook. App control, an LED display, and a grill probe can help you monitor long cooks without lifting the lid, but they add electronics that can fail over time. If you mostly do quick cooks, you may not need them.