Masterbuilt Gas Smoker Lineup: Which Model Fits Your Cookout?
Selecting a dedicated smoker requires balancing chamber capacity, fuel management, and cooking temperature stability.
What this report covers
- Models assessed
- 6
- Our score range
- 8.2 – 9.2/10
- Last updated
- 25 Sep 2026
Figures above are read from the product listings for the models named below. Scores are out of 10, based on listed specifications and buyer feedback.
As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
Selecting a dedicated smoker requires balancing chamber capacity, fuel management, and cooking temperature stability. Outdoor cooks weighing a masterbuilt gas smoker often struggle to decide between high-capacity vertical gas units, flexible hybrid fuel burners, or specialized electric cabinets and accessories. Outdoor enthusiasts who value efficiency need equipment that maintains steady cooking heat without demanding constant manual valve adjustments, whether smoking pork butts for an afternoon family gathering or slow-curing sausages overnight. Exploring an oklahoma joe grill smoker combo often leads cooks to consider dedicated vertical smokers that maximize vertical cooking space and fuel efficiency. Determining the best masterbuilt gas smoker for your cooking area requires evaluating grate capacity, fuel source, and temperature reliability.
Masterbuilt organizes its lineup across vertical gas cabinets, hybrid fuel chambers, digital electric options, and purpose-built add-ons designed to expand smoking versatility. The core propane collection focuses on high-output burners, generous vertical grate layouts, and mechanical or thermostatic temperature management. Meanwhile, digital electric options offer push-button time management, supported by fitted weather covers and external cold-smoke generators that broaden cold-weather and low-temperature smoking possibilities. Understanding how these distinct units function helps clarify which masterbuilt gas smoker to buy based on your outdoor workspace, target meats, and preferred fuel setup.
Criteria matrix What each model in this report is credited with
Rows are the criteria that come up in the pros and cons listed for this lineup. A check means the criterion is named in this report’s write-up of that model; a dash means it is not. Criteria that apply to every model, or to only one, are left out because they separate nothing.
| Criterion | 40-inch ThermoTemp Propane Gas 8.4/10 | 30-Inch Dual Fuel Propane 8.2/10 | MPS 230S Propane Smoker 8.4/10 | 30-inch Digital Electric Vertical 8.8/10 | 40-inch Vertical BBQ Smoker 9.2/10 | Slow and Cold Smoker 8.4/10 |
|---|---|---|---|---|---|---|
| Temperature | Named | Named | Named | Named | Not named | Named |
| Chrome-coated smoking racks | Named | Not named | Named | Named | Not named | Not named |
| Vertical cabinet | Not named | Named | Named | Not named | Named | Not named |
| Wood chip | Not named | Named | Named | Not named | Not named | Named |
| Square inches cooking | Named | Named | Not named | Not named | Not named | Not named |
| Digital electric | Not named | Not named | Not named | Named | Not named | Named |
| Stainless steel | Not named | Named | Named | Not named | Not named | Not named |
| Dual fuel | Not named | Named | Named | Not named | Not named | Not named |
| Criteria named | 3 / 8 | 6 / 8 | 6 / 8 | 3 / 8 | 1 / 8 | 3 / 8 |
Built from the wording of this report, not from a bench test. A dash is not a fault: it only means the write-up does not mention that point for that model. Scores next to each model are out of 10, based on listed specifications and buyer feedback.
Masterbuilt Gas Smokers Lineup at a Glance
| Model | Fuel Type | Cooking Space | Key Feature |
|---|---|---|---|
| Masterbuilt 40-inch ThermoTemp Propane Gas Vertical | Liquid Propane | 960 sq. in. | ThermoTemp thermostatic dial control up to 375°F |
| Masterbuilt 30-Inch Dual Fuel Propane & | Propane and Charcoal | 717 sq. in. | Dual fuel versatility with locking door handle |
| Masterbuilt MPS 230S Propane Smoker | Liquid Propane | 30-inch cabinet | 15,400 BTU burner with flame disk grease shield |
| Masterbuilt 30-inch Digital Electric Vertical BBQ | Electric | 710 sq. in. | Side woodchip loader and digital control board |
| Masterbuilt 40-inch Vertical BBQ Smoker Weather-Resistant | Accessory (Cover) | Fits 40-inch models | Polyurethane-coated weather-resistant polyester |
| Masterbuilt Slow and Cold Smoker Accessory | Electric attachment | Continuous feed attachment | Up to 6 hours continuous smoke down to cold temps |
The Models in Detail
Masterbuilt 40-inch ThermoTemp Propane Gas Vertical

Best for: Backyard pitmasters wanting automated dial heat control
Pros
- ThermoTemp dial temperature regulation
- 960 square inches cooking space
- Four chrome-coated smoking racks
Cons
- Substantial footprint requires dedicated patio storage
The Masterbuilt 40-inch ThermoTemp Propane Gas Vertical smoker, cataloged under model MB20051316, represents the flagship high-capacity entry in the brand’s vertical lineup. Engineered with 960 square inches of cooking space distributed across four chrome-coated smoking racks, this masterbuilt 40-inch propane smoker accommodates large batches including up to 16 chickens, 6 turkeys, 8 pork butts, or 8 racks of ribs. Ignition is handled by a push-button ignition button that lights the burner quickly. The defining technical element of this masterbuilt mb20051316 unit is the ThermoTemp temperature control dial, which regulates gas flow to maintain dial-selected smoking temperatures up to 375°F.
In addition to regulated heating, this masterbuilt thermotemp propane smoker incorporates an adjustable air damper for chimney draft control, a removable woodchip tray for replenishing smoke flavor, and a slide-out water bowl to maintain cooking chamber moisture and catch food drippings. For cooks who regularly cater community gatherings or batch-cook pork shoulders on weekends, this masterbuilt propane smoker removes the constant valve tweaking typical of traditional gas rigs. It gives way to smaller 30-inch cabinets when patio storage space is constrained or when cooking loads rarely exceed a couple of chickens.
Masterbuilt 30-Inch Dual Fuel Propane &

Best for: Outdoor cooks switching between propane and charcoal
Pros
- Dual fuel propane and charcoal chamber
- Locking door with wire handle
- 717 square inches cooking space
Cons
- Manual burner adjustment without thermostat dial
The Masterbuilt 30-Inch Dual Fuel Propane & charcoal vertical smoker provides versatile fuel adaptability within a compact 30-inch cabinet footprint. Identified as model MB26050412 with part number 20051311, this masterbuilt dual fuel smoker provides 717 square inches of total cooking space across four chrome cooking racks. Fueling options include connection to standard liquid propane cylinders via the included type 1 regulator and hose, or loading charcoal into the chamber for traditional briquette smoking. Burner activation relies on a push-button electronic ignition system that ignites a durable stainless steel burner element.
Safety and monitoring features include a locking front door equipped with an integrated temperature gauge and a cool-touch wire handle for safe chamber access during cooking. Interior components feature a porcelain-coated wood chip tray and a matching porcelain water pan designed for easy removal and cleaning. This masterbuilt vertical gas smoker suits cooks who want the convenience of gas along with the option of burning charcoal embers. While cooks exploring a best weber gas grills guide focus on horizontal direct grilling, this vertical cabinet isolates slow heat for tender barbecue cuts. Cooks seeking automated thermostat control will prefer the ThermoTemp series.
Masterbuilt MPS 230S Propane Smoker
Best for: Backyard cooks wanting high-output propane smoking
Pros
- 15,400 BTU stainless steel burner
- Patented flame disk grease shield
- Four chrome-coated smoking racks
Cons
- Cabinet size limited to 30 inches
The Masterbuilt MPS 230S Propane Smoker serves as the brand’s dedicated mid-size workhorse, delivering robust heat via a 15,400 BTU stainless-steel burner. Designated as model MB20051311, this 30-inch masterbuilt mps 230s vertical cabinet features four chrome-coated smoking racks capable of holding 8 chickens, 2 whole turkeys, 4 racks of ribs, or 4 pork butts. A push-button ignition system sparks the burner quickly, while an analog temperature gauge built directly into the front door provides continuous tracking of internal heat conditions.
Grease management is handled through a patented porcelain-coated flame disk bowl, which shields the burner from melting drippings while permitting open flame heat to reach wood chips. The unit also includes a removable water bowl and a wood chip tray to customize smoke profiles. This model stands out in any masterbuilt gas smoker comparison for pitmasters who want pure, uncomplicated propane power without electronic circuit boards. It yields to the ThermoTemp unit for cooks demanding thermostatic dial control and gives way to the dual fuel model if charcoal burning is desired.
Masterbuilt 30-inch Digital Electric Vertical BBQ

Best for: Smoker owners seeking digital plug-in convenience
Pros
- Patented side woodchip loading mechanism
- Digital time and temperature panel
- Removable rear grease tray
Cons
- Requires access to an electrical outlet
The Masterbuilt 30-inch Digital Electric Vertical BBQ smoker, model MB20070421, brings digital automation to backyard smoking with 710 square inches of cooking space. Built around four chrome-coated smoking racks, this masterbuilt 30-inch smoker holds up to 7 chickens, 2 turkeys, 4 pork butts, or 4 racks of ribs. Instead of managing flame knobs or propane tanks, users set cooking duration and operating temperatures up to 275°F directly on the digital control board. An elevated leg kit raises the cooking chamber off the ground for ergonomic loading and unloading.
Wood smoke management relies on a patented side woodchip loader that lets users add wood chips externally without opening the main chamber door, preventing heat loss and smoke dissipation during long cooking cycles. The unit features an adjustable top air damper, a removable interior water bowl, and a removable rear grease tray designed for streamlined cleanup. This electric model is ideal for urban decks or setups where storing gas cylinders is impractical. While shoppers hunting for pit boss clearance equipment often look at pellet augers, this vertical electric smoker offers consistent low-and-slow electric simplicity, conceding only maximum heat output when compared to high-BTU propane burners.
Masterbuilt 40-inch Vertical BBQ Smoker Weather-Resistant

Best for: Protecting 40-inch vertical smokers from weather
Pros
- Polyurethane-coated heavy polyester fabric
- Resists sun fading and cold cracking
- Fitted 40-inch vertical cabinet profile
Cons
- Incompatible with smaller 30-inch smoker cabinets
The Masterbuilt 40-inch Vertical BBQ Smoker Weather-Resistant polyester cover, model MB20080210, provides fitted protective defense for Masterbuilt’s largest vertical smoker cabinets. Measuring 24.6 inches wide by 16.9 inches deep by 38.6 inches tall, this tailored cover is dimensioned specifically for the tall vertical profile of 40-inch Masterbuilt smokers. It is manufactured from heavy-duty polyurethane-coated polyester designed to withstand harsh outdoor elements, including rain, snow, sleet, and direct sun exposure.
Outdoor equipment longevity depends on weatherproofing, and this cover features specialized fabric engineered to resist UV fading during hot summer months and resist cracking under freezing winter temperatures. The listing notes the inclusion of a tool holder component for added utility on the patio. This fitted cover is an essential companion for owners of the 40-inch ThermoTemp gas cabinet or compatible 40-inch electric smokers who store equipment outside year-round. It is not intended for smaller 30-inch vertical models, which require narrower protective dimensions.
Masterbuilt Slow and Cold Smoker Accessory
Best for: Curing cold-smoked cheese, fish, and jerky
Pros
- Continuous wood feed for 6 hours
- Push-button automated wood chip heating
- Removable ash tray for cleaning
Cons
- Attaches only to digital electric models
The Masterbuilt Slow and Cold Smoker Accessory attachment, model MB20100112, expands the functional capabilities of vertical smoking setups into ultra-low temperature ranges. Built with compact 10-inch by 10-inch by 18-inch dimensions, this external attachment mounts directly to Masterbuilt digital electric smokers. It features a continuous wood feed system that delivers up to 6 hours of continuous smoke generation without requiring manual wood replenishment. Heating the wood chips is fully automated through an integrated push-button ignition system.
This accessory is purpose-built for curing and cold-smoking delicate foods such as hard cheeses, fresh bacon, cured fish, and beef jerky where elevated chamber heat would melt fats or cook meat prematurely. It also supports hot smoking applications up to 275°F when paired with an active cabinet heating element. A removable ash tray sits at the base of the unit for simple discard of spent wood ash. While standard propane cabinets produce higher ambient heat, this accessory provides the steady, non-thermal smoke production required for low-temperature food preservation.
Matching a Model to Your Setup
- Large-scale entertaining: The Masterbuilt 40-inch ThermoTemp Propane Gas Vertical provides 960 square inches of cooking space, holding up to 16 chickens or 8 pork butts with regulated dial heat up to 375°F.
- Dual fuel traditionalists: The Masterbuilt 30-Inch Dual Fuel Propane & smoker provides flexibility to run clean liquid propane or burn charcoal within a 717-square-inch chamber.
- Straightforward propane performance: The Masterbuilt MPS 230S Propane Smoker supplies a 15,400 BTU burner and patented flame disk grease shielding for simple, high-heat outdoor cooking.
- Push-button deck smoking: The Masterbuilt 30-inch Digital Electric Vertical BBQ smoker offers digital time and heat controls up to 275°F with an external side woodchip loader.
- Year-round outdoor storage: The Masterbuilt 40-inch Vertical BBQ Smoker Weather-Resistant cover shields 40-inch vertical cabinets from snow, rain, UV fading, and sub-zero cracking.
- Curing and cold smoke preservation: The Masterbuilt Slow and Cold Smoker Accessory generates up to 6 hours of continuous smoke for cheese, fish, and jerky when connected to digital electric cabinets.
Before You Buy
When purchasing a Masterbuilt gas smoker or electric vertical cabinet, note that the product listings do not specify the inclusion of propane fuel tanks or wood chips. Propane models include a type 1 regulator and hose assembly, but shoppers must supply a standard propane cylinder separately. Furthermore, the listings do not specify the exact gauge thickness of the exterior steel walls or provide thermal insulation ratings for cold-weather cooking efficiency.
For electric models and specialized attachments, power cord length and electrical draw specifications are not detailed in the manufacturer listings. Buyers must ensure an outdoor-rated electrical receptacle is accessible near their cooking station. Additionally, compatibility between accessories and smokers requires careful verification; the listings specify that the slow and cold smoker attachment mounts to Masterbuilt digital electric smokers, but they do not specify compatibility with freestanding propane gas cabinets.
FAQ
How does the ThermoTemp system control temperature on a gas smoker?
The Masterbuilt 40-inch ThermoTemp Propane Gas Vertical smoker uses an integrated thermostat valve linked to an analog dial. You set the dial to your desired cooking temperature up to 375°F, and the internal valve automatically regulates gas flow to maintain that set temperature inside the cabinet.
Can you burn both charcoal and propane simultaneously in the dual fuel smoker?
The listing for the Masterbuilt 30-Inch Dual Fuel Propane & smoker outlines dual fuel compatibility for either propane or charcoal operation. However, the manufacturer listing does not specify whether both fuels can be ignited simultaneously during a single cook.
What is the benefit of the patented flame disk bowl on the MPS 230S?
The patented porcelain-coated flame disk bowl on the Masterbuilt MPS 230S Propane Smoker is engineered to shield the 15,400 BTU stainless steel burner from dripping grease while allowing direct flame heat to ignite wood chips for continuous smoke output.
How do you add wood chips to the digital electric smoker without losing heat?
The Masterbuilt 30-inch Digital Electric Vertical BBQ smoker features a patented side woodchip loader. This cylindrical mechanism allows you to insert wood chips into the internal heating element from the exterior of the cabinet, keeping the front door closed so heat and smoke remain trapped inside.
Does the slow and cold smoker attachment work on Masterbuilt gas smokers?
According to the product specifications, the Masterbuilt Slow and Cold Smoker Accessory is designed to attach to Masterbuilt digital electric smokers. The product listing does not state compatibility with Masterbuilt propane or dual fuel gas cabinets.