Onlyfire Grills 32-Inch Built-In Grill Natural Review: Specs, Pros and Cons
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This onlyfire grills 32 inch built in grill natural review focuses on the GS375 model. It is a natural gas grill designed for seamless integration into outdoor kitchen countertops. The unit offers 722 square inches of cooking surface area, which handles large family meals or gatherings with ease. It delivers 66,000 BTU of heat output through four main burners and a rear infrared rotisserie burner. The build uses 304 stainless steel for the body, burners, and grates, ensuring resistance to rust and warping. This spec-driven look helps you decide if the dimensions and power match your outdoor setup needs.
What stands out
- 722 square inches of total cooking area accommodates large meals.
- 66,000 BTU heat output with four 14,000 BTU main burners.
- 10,000 BTU rear infrared rotisserie burner for versatile cooking.
- 304 stainless steel construction for the body, burners, and grates.
- Exact cutout dimensions of 30 5/8 inches wide by 21 1/4 inches deep.
Who it fits
Good fit for
You should consider this grill if you are building a custom outdoor kitchen and need a natural gas unit that fits standard countertop cutouts. The 722 square inch cooking area suits those who frequently host large gatherings or cook for big families. The high BTU output and H-burner design appeal to users who want consistent, restaurant-quality searing. If you value durability in harsh weather, the 304 stainless steel construction provides reliable, low-maintenance performance over many years of use.
Who should skip it
You might want to look elsewhere if you do not have a natural gas line installed, as this model is designed specifically for natural gas use. It is also not suitable if you prefer a portable or standalone grill, since this is a built-in unit requiring precise countertop integration. The exact cutout dimensions mean it will not fit every existing opening without modification. Additionally, if you need propane flexibility, this specific listing does not offer that fuel type option.
Verdict: This grill provides substantial cooking space and high heat output in a durable stainless steel build. It is a solid choice for permanent outdoor kitchens with natural gas access.
Key specs for this grill
Fuel Type: Natural Gas
This grill connects directly to your home gas line. You do not need to store or replace propane tanks. This setup provides a continuous fuel supply for long cooking sessions. It is ideal for built-in outdoor kitchens where convenience matters. Unlike portable griddles or charcoal units, you get immediate heat without waiting for ignition or refueling.
Form Factor: Built-In
The unit is designed to fit into a custom countertop cutout. It requires specific dimensions for installation, typically around 30 inches wide. This creates a seamless look for your outdoor kitchen. It differs from freestanding models that sit on legs. You must measure your space carefully before purchasing to ensure it fits your existing structure.
Heat Output: 66,000 BTU
This rating indicates the total heat energy produced by all burners. It includes four main burners and one infrared rotisserie burner. High BTU output helps sear meats quickly and maintain consistent temperatures. When comparing to smaller pizza ovens or griddles, this high output suggests robust performance for large gatherings and heavy use.
Cooking Area: 722 Sq.In
The total cooking surface is 722 square inches. This space accommodates multiple items simultaneously, such as burgers, vegetables, and steaks. It is suitable for feeding a large family or hosting a party. This capacity is larger than many standard griddles. You can cook efficiently without overcrowding the surface, ensuring even heat distribution for all your food.
Design and build overview
The listing specifies a full-body construction using SUS304 stainless steel. This material covers the body, burners, and grates. You get strong rust resistance and high deformation resistance under heat. The finish stays shiny after years of outdoor exposure. A center-mounted thermometer lets you monitor internal temperatures without opening the lid. This design choice supports precise cooking control.
According to the listing, the grill weighs 147 pounds. Its overall dimensions are 32.4 inches wide, 26 inches long, and 21 inches high. The required cutout is 30 5/8 inches wide, 21 1/4 inches deep, and 8 1/2 inches high. This exact cutout size ensures a seamless fit into standard outdoor countertops. You save installation time by matching these precise measurements. The built-in form factor integrates cleanly into your kitchen layout.
The cooking surface offers 722 square inches of space. This area accommodates large gatherings or family meals. Four main burners provide 14,000 BTU each. A rear infrared rotisserie burner adds 10,000 BTU. The total heat output reaches 66,000 BTU. Stainless steel H-burners distribute heat evenly across the grates. This layout eliminates hot spots. You cook with consistent results. The natural gas connection supplies continuous fuel for long sessions. The silver color complements most outdoor kitchen designs.
Setup and everyday use
Installing this grill requires precise countertop preparation. The listing provides an exact cutout dimension of 30 5/8 inches wide, 21 1/4 inches deep, and 8 1/2 inches high. You must match your cabinet opening to these measurements for a seamless built-in fit. This precision saves installation hassle and ensures the unit sits flush with your outdoor kitchen counters. The overall unit dimensions are 32.4 inches wide, 26 inches long, and 21 inches high. It weighs 147 pounds, so you need a sturdy base to support the weight.
Daily operation begins with connecting the unit to your natural gas line. The grill does not use propane tanks, providing a continuous fuel supply. You do not need to swap or refill containers during use. The ignition system activates four main burners and one rear infrared rotisserie burner. Each main burner delivers 14,000 BTU, while the rear burner adds 10,000 BTU. This configuration totals 66,000 BTU of heat output.
The stainless steel H-burners distribute heat evenly across the 722 square inch cooking surface. You can sear steaks on the main grates or rotate meats with the rotisserie feature. The center-mounted thermometer lets you monitor internal temperatures without opening the lid. The durable steel lid helps maintain consistent heat. You can adjust individual burner controls to manage hot zones. The SUS304 stainless steel construction resists rust and warping, making cleanup straightforward after grilling.
Before you buy this grill
This Onlyfire unit is a substantial 147-pound appliance designed for permanent outdoor kitchen integration. Before purchase, verify your countertop cutout matches the required 30 5/8 by 21 1/4 by 8 1/2 inch opening. The grill connects to a natural gas line, so ensure your home supply is compatible and installed correctly by a professional. You will need heavy-duty grill covers to protect the stainless steel finish from weather. Regular cleaning of the 304 stainless steel grates and burners is essential for longevity. Unlike portable pizza ovens or standalone griddles, this built-in model offers a fixed, high-capacity cooking surface. It suits those who want a permanent, restaurant-grade setup rather than movable equipment. Check that your outdoor cabinetry can support the weight and accommodate the gas connection safely. This grill fits best in dedicated outdoor kitchen islands where space allows for its 32-inch width.
Check before you buy
- Verify countertop cutout dimensions match the required 30 5/8 by 21 1/4 by 8 1/2 inch opening.
- Confirm natural gas line access and professional installation capability for safe connection.
- Ensure outdoor cabinetry can support the 147-pound weight of the stainless steel unit.
- Plan for heavy-duty grill covers to protect the stainless steel finish from weather.
The product at a glance
Onlyfire 32-Inch Built-In Grill
Best for: Large families seeking durable built-in grilling
- Fuel Type
- Natural Gas
- Cooking Area
- 722 sq. in.
- Heat Output
- 66,000 BTU
- Burner Count
- 4
- Form Factor
- Built-in
- Primary Material
- 304 stainless steel
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This built-in grill offers 722 square inches of cooking space for family meals. It uses natural gas with four 14,000 BTU main burners and a 10,000 BTU rear infrared rotisserie burner. The full SUS304 stainless steel body resists rust and warping. The exact cutout size fits standard outdoor countertops. A center-mounted thermometer helps you monitor cooking progress precisely.
Pros
- 722 square inches of total cooking area
- Full SUS304 stainless steel body and grates
- 66,000 BTU total heat output from four main burners
- Rear infrared rotisserie burner for versatile cooking
- Exact cutout dimensions for seamless installation
Cons
- Heavy at 147 pounds, requiring sturdy support
- No digital display or remote control mentioned
- Limited to natural gas fuel type only
Good fit if
- You need a large cooking surface for gatherings
- You want a durable stainless steel build
- You have a standard built-in countertop cutout
Skip if
- You prefer propane fuel over natural gas
- You want a portable or standalone unit
- You need digital temperature controls or app connectivity
Verdict: Onlyfire Grills 32-Inch Natural Gas Grill provides ample space and robust heat for serious outdoor cooking. It suits those who prioritize durability and exact built-in integration over smart features.
Specifications side by side
| Spec | Onlyfire 32-Inch Built-In Grill |
|---|---|
| Fuel Type | Natural Gas |
| Cooking Area | 722 sq. in. |
| Heat Output | 66,000 BTU |
| Burner Count | 4 |
| Form Factor | Built-in |
| Primary Material | 304 stainless steel |
| Placement | Outdoor |
| Material | Stainless Steel |
| Heating Method | Infrared |
| Dimensions | 26 × 32.4 × 21 inches |
| Weight | 147 pounds |
| Size | 32" NATURAL GAS |
| Color | Silver |
| Model | GS375 |
Frequently asked questions
Does the Onlyfire 32-inch grill come with a propane conversion kit?
The product specifications list the fuel type exclusively as natural gas. There is no mention of a propane conversion kit included in the package. You must connect this unit directly to your home’s natural gas line. It is not designed for portable propane tanks. Verify your gas supply type before installation.
What are the exact cutout dimensions for installation?
You need a countertop opening measuring 30 5/8 inches wide, 21 1/4 inches deep, and 8 1/2 inches high. The grill itself is slightly larger at 32.4 inches wide. Precise cabinet preparation is required for a seamless built-in fit. Measure your space carefully to ensure the unit fits properly.
Is the grill made of stainless steel?
Yes, the listing specifies a full-body construction using SUS304 stainless steel. This material covers the body, burners, and grates. You get strong rust resistance and high deformation resistance under heat. The finish stays shiny after years of outdoor exposure. It is built for durability in outdoor environments.
How heavy is the Onlyfire GS375 grill?
The unit weighs 147 pounds. This substantial weight indicates a robust build designed for permanent outdoor kitchen integration. You need a sturdy countertop to support this load. The heavy construction helps maintain stability during use. Ensure your cabinet structure can handle the weight safely.
What color is the Onlyfire 32-inch grill?
The grill features a silver finish. This color complements most modern outdoor kitchen designs. The stainless steel construction provides a sleek, metallic look. It resists discoloration over time. The silver tone remains consistent with the durable SUS304 material used throughout the body.
Does this model include smart technology features?
The specifications do not list any smart features like Bluetooth or Wi-Fi connectivity. The focus is on durable construction and precise built-in integration. You get a center-mounted thermometer for manual heat monitoring. It is designed for serious outdoor cooking without digital distractions.