Masterbuilt 40-inch ThermoTemp Propane Vertical BBQ Smoker review

Looking for a reliable vertical propane smoker that gives you big capacity, simple controls, and classic smoky flavor without a steep learning curve?

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Product Overview: Masterbuilt® 40-inch ThermoTemp Propane Gas Vertical BBQ Smoker with Analog Temperature Control and 960 Cooking Square Inches in Black, Model MB20051316

This section gives you a clear snapshot of what this smoker is and what it promises. You’ll see why people choose a vertical propane smoker for backyard gatherings and family meals.

The Masterbuilt® 40-inch ThermoTemp Propane Gas Vertical BBQ Smoker (Model MB20051316) is a tall, insulated vertical smoker that runs on propane and offers 960 square inches of cooking space. It focuses on straightforward analog controls, a push-button ignition, and a setup that supports large batches—perfect if you want a mix of convenience and traditional smoking flavor.

Who this smoker is for

You’ll appreciate this smoker if you want a high-capacity unit that’s easy to use and doesn’t require constant monitoring. It’s well suited for you if you host family gatherings, cook for large groups, or like set-and-forget smoking without complicated electronics.

It’s also a good match if you’re newer to smoking but want the ability to cook lots of food—up to 16 chickens or multiple racks of ribs—without juggling multiple batches.

Key Features

Here’s a breakdown of the most important features you’ll interact with. Each item is practical and aimed at simplifying the smoking process.

• Vertical propane smoker design with 960 square inches of cooking space.
• Analog adjustable temperature dial up to 375°F for straightforward control.
• Push-button ignition for quick and reliable startup.
• Four chrome-coated smoking racks that are removable for flexible configuration.
• Removable water bowl to maintain moisture and catch drippings.
• Woodchip tray for adding hardwood flavor.
• Adjustable air damper for fine-tuning smoke and airflow.
• Lockable door latch and insulated body to retain heat and smoke.
• Convenient window for monitoring without opening the door.

Quick feature note on capacity and layout

The vertical layout is designed to take advantage of convection rising heat, giving you multiple levels for cooking. You’ll load woodchips and water at the bottom, and racks above benefit from the rising smoke and heat.

This design lends itself to smoking several types of proteins at once, as long as you organize by cook time and temperature needs.

Specifications Table

The table below breaks down the important specs so you can quickly compare this model to others or confirm it matches your needs.

Specification	Detail
Brand & Model	Masterbuilt® MB20051316
Type	Vertical propane gas smoker
Cooking Area	960 square inches
Racks	4 chrome-coated racks (removable)
Max Temperature	Up to 375°F (adjustable dial)
Ignition	Push-button ignition
Fuel	Propane (tank not included with product listing)
Water Bowl	Removable water bowl included
Woodchip Tray	Included (bottom loading)
Insulation	Fully insulated smoker body
Door	Lockable latch with viewing window
Dimensions	40-inch vertical height (approximate model series height)
Capacity Examples	Up to 16 chickens, 6 turkeys, 8 pork butts, or 8 racks of ribs
Color	Black

How to read the specs

You’ll notice the focus is on capacity and simplicity—this smoker isn’t competing on digital precision, but on accessible, reliable smoking for large quantities.

If you want highly precise temperature control for low-and-slow competition smoking, you might consider additional thermometers or external controllers. But if you want something that works well for family BBQs and parties, these specs are solid.

Shop The Masterbuilt 40″ ThermoTemp 40-inch Propane Smoker

Unboxing and Setup

This section explains what you’ll find in the box and how easy it is to get started. You’ll know what to expect the first time you set it up.

Most buyers report a straightforward unboxing experience: the smoker arrives mostly assembled and requires only a few simple steps to attach legs, hooks, or the propane connection depending on the package. The manual is usually clear about safety checks and initial assembly.

Assembly time and tools needed

You’ll typically spend 30–60 minutes assembling the unit, depending on experience and whether you’re doing it alone. Basic hand tools like a wrench or screwdriver are usually enough.

Be sure to check for shipping-packed components like the racks, water bowl, and woodchip tray and verify that the door latch and viewing window are secure. Also make sure the propane tank connection and hose are free from damage.

Design and Build Quality

The smoker’s vertical design and insulated body aim to keep heat consistent and smoke contained, while the chrome-coated racks and black finish give it a classic backyard aesthetic.

The build is practical: the insulated body helps maintain temperature, the lockable door latch seals better than basic clasps, and the viewing window lets you peek without releasing heat. The chrome-coated racks are easy to wipe down and reposition, though they’re not as premium-feeling as stainless steel.

Durability considerations

If you take care of the smoker—keep it covered, clean the water bowl regularly, and store it under shelter—it will last multiple seasons. The paint and insulation are robust enough for typical backyard use, but long-term exposure to the elements without a cover will accelerate wear.

You’ll want to watch the woodchip tray and water bowl for rust over time; replacing those components is common but inexpensive.

Cooking Performance

This is where your experience with the smoker becomes tangible. You’ll want consistent heat, good smoke flavor, and usable capacity.

The ThermoTemp’s gas burner and insulated chamber do a good job of generating consistent temperatures up to 375°F, which covers most smoking needs from low-and-slow brisket to higher-temperature poultry and pork. The vertical configuration promotes even circulation, and the adjustable air damper helps you maintain smoke levels.

Heat stability and cooking results

You can expect stable temps for many cooks, but like most analog systems, you’ll see occasional small fluctuations. They’re usually manageable by adjusting the dial and damper. Results are great for traditional smoked ribs, pork shoulder, whole chickens, and turkey—foods that benefit from long cooking times and steady smoke exposure.

If you’re doing long overnight cooks, you may want to monitor occasionally or use a remote thermometer to ensure nothing drifts too far off target.

Temperature Control and Thermostat

The analog temperature dial simplifies control: you turn it to set your target up to 375°F. It’s built for practicality and ease rather than digital precision.

You’ll find the dial easy to read and responsive. However, because it’s analog, you shouldn’t expect PID-level precision. If you need exact temperatures for competition smoking or precise low-temp cooks, pair it with a high-quality instant-read or probe thermometer.

Using the analog dial effectively

Use the dial for your main setting and fine-tune with the air damper. Place a reliable thermometer on one of the middle racks to check and adjust as needed early in the cook. Once you know how your unit behaves at certain settings, you’ll become more confident in leaving it unattended for longer.

Smoke Flavor and Woodchips

Smoke quality depends on how you use the woodchip tray and water pan. The included woodchip tray makes it easy to add hardwood chips for flavor, while the water bowl adds moisture to the environment, helping your meats stay juicy.

You’ll get good, classic smoke flavor from this smoker. The vertical flow pattern carries smoke past the food, and the insulated body helps keep aroma concentrated.

Recommendations for wood types

• Hickory: bold, great for beef and pork.
• Apple: mild, good for poultry or pork.
• Cherry: sweet, colorful finish.
• Mesquite: strong, best for beef if you like intense smoke.

Soak chips if you want longer smoke bursts but remember that soaking isn’t essential—dry chips often produce stronger initial smoke.

Capacity and Rack Configuration

One of the biggest benefits you’ll notice is the capacity. With 960 square inches and four racks, the layout handles large volumes well.

You’ll be able to fit up to 16 chickens, 6 turkeys, 8 pork butts, or 8 racks of ribs in the vertical stack. Removable racks let you create space for larger items or rearrange for mixed loads.

Practical loading tips

Place items requiring longer cooks lower in the smoker where it’s slightly hotter, and move quicker-cooking items higher. When cooking mixed proteins, use trays to catch drips and avoid flavor cross-contamination if you’re doing very different styles (e.g., sweet vs. savory rubs).

Cleaning and Maintenance

Regular cleaning keeps the smoker performing well and extends its life. The removable water bowl and racks make cleanup easier.

You’ll want to empty and clean the water bowl after each cook, brush the racks, and remove ash and woodchip buildup from the tray. A quarterly deep clean including interior wipe-down and inspection of seals and the gas connection keeps things safe.

Simple maintenance checklist

• After each cook: empty water bowl, scrape racks, remove woodchip ash.
• Monthly (with moderate use): wipe interior, inspect door gasket and latch, clean viewing window.
• Seasonally: check insulation and paint, inspect gas hose for wear, lubricate latch if necessary.

Safety Features

Safety elements are practical and visible. The lockable door latch and fully insulated body add to safe operation by reducing the risk of accidental burns and heat loss.

You’ll also benefit from the push-button ignition that simplifies startup without fiddly matches or a separate lighter. Always follow propane safety best practices and keep the smoker positioned on a stable, non-combustible surface.

Propane safety reminders

• Always check connections for leaks with soap and water before igniting.
• Keep the smoker away from structures and overhangs.
• Store propane tanks upright and in a well-ventilated area when not in use.

Pros and Cons Table

This table summarizes the main strengths and weaknesses to help you assess if this smoker fits your needs.

Pros	Cons
Large 960 sq. in. cooking area for big batches	Analog control less precise than digital controllers
Push-button ignition for quick startup	Requires occasional monitoring for long cooks
Removable water bowl and woodchip tray for flavor and moisture	Chrome-coated racks may need replacement over time
Insulated body and lockable latch retain heat well	Not designed for very low-precision competition smoking
Viewing window lets you check food without opening door	Propane fuel adds ongoing cost compared to charcoal/wood-only units

How to weigh pros and cons

If you prioritize capacity, convenience, and straightforward operation, you’ll likely side with the pros. If you need ultra-precise temperature control for competitive smoking or automatic long-term monitoring, you may want additional accessories.

Performance Examples (Common Recipes)

You’ll be able to produce tasty results across a range of classic smoker recipes. Below are typical temperature targets, approximate times, and tips.

• Low-and-slow pork butt (225–250°F): 1.5–2 hours per pound—use a water pan and hickory or apple chips.
• Spare ribs (225–250°F): 5–7 hours—use a two-zone method inside the smoker by adjusting rack placement and damper.
• Whole chicken (300–350°F): 1.5–2 hours—set higher temp for crispy skin while maintaining a water bowl for moisture.
• Turkey (275–325°F): 3–5 hours—monitor internal temp to hit 165°F for safe, juicy meat.

Practical timing tips

You’ll find that actual cook times depend on ambient temperature, how often you open the door, and how much food is loaded. Use a probe thermometer for internal temps and allow rest time after cooking to redistribute juices.

Accessories and Add-ons

There are several accessories that make this smoker even more convenient and effective. These additions can help with control, capacity, and cleanup.

• Digital wireless meat thermometers for remote monitoring.
• Stainless steel or extra racks for heavier items or more durability.
• Smoker cover to protect against weather.
• Replacement water bowls and woodchip trays for long-term maintenance.
• Grill mats or drip pans to catch extra drippings and simplify cleaning.

Suggested starter accessory kit

If you’re getting started, invest in a good dual-probe wireless thermometer, a protective cover, and an extra set of racks if you plan frequent use. This combination improves monitoring, longevity, and convenience.

Troubleshooting Common Issues

Here are the typical issues you might encounter and how you can address them quickly.

• Temperature fluctuations: Check door seal, damper position, and avoid frequent door openings. Use a remote thermometer to track trends.
• Weak smoke: Ensure woodchip tray has fresh chips and that the damper isn’t fully open; also confirm there’s adequate fuel pressure from the propane tank.
• Water bowl rusting: Dry thoroughly after each use and consider replacing with a stainless steel aftermarket part.
• Uneven cooking: Rotate racks or rearrange items; put thicker cuts lower in the smoker.

When to call support

If you smell propane when the burner is off or if the push-button ignition fails repeatedly after checking the manual and connections, contact Masterbuilt support or a qualified technician.

Comparisons to Similar Models

Compared to electric or charcoal vertical smokers, this propane model trades the complexity of charcoal for the convenience of gas. It heats faster than charcoal and doesn’t rely on a power outlet like electric units.

You may lose some of the wood-fired nuance of charcoal, but the included woodchip tray lets you add authentic smoke flavor. Compared to digital smokers, you’ll get less precision but a simpler, often more durable control setup.

Choosing between fuel types

• Propane: fast heat-up, easy temp control, mobile.
• Charcoal: more pronounced smoky flavor, longer preheat, higher hands-on management.
• Electric: precise temp with little fuel management, but needs mains power and won’t produce the same smoke profile without additional accessories.

Final Recommendations

If you want a roomy, straightforward smoker that gives you reliable smoke and big capacity without a steep learning curve, this Masterbuilt model checks those boxes. You’ll find it ideal for backyard parties and family meals where convenience and volume matter.

For best results, pair it with a good digital thermometer, routine maintenance, and some experimentation with wood chip types and damper settings. You’ll quickly learn how this smoker behaves and produce consistently delicious results.

Your action checklist before buying

• Confirm you have safe outdoor space for a propane smoker.
• Budget for a quality thermometer and possibly a cover.
• Plan to run a few test cooks to learn temperature behavior.
• Be ready to replace consumable parts (woodchip tray, water bowl) over time.

Verdict

Masterbuilt’s 40-inch ThermoTemp Propane Vertical Smoker (Model MB20051316) is a solid choice if you want a user-friendly, high-capacity smoker that doesn’t require hours of babysitting or technical expertise. You’ll get straightforward analog controls, generous cooking space, and features that support great flavor with minimal fuss.

If you value simplicity, consistent heat, and the ability to feed a crowd, this smoker deserves strong consideration. Add a few basic accessories and you’ll be ready to produce reliable, tasty smoked meals season after season.

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