In this review
Verdict
Where propane earns its place
Every electric cabinet and every pellet grill needs an outlet before it needs anything else. That one requirement decides where the smoker lives, which is why so many of them end up parked ten feet from the back door, venting into the kitchen window. A tank goes wherever you can carry it.
The regulator is a Type 1 with a built-in fuel gauge. Remaining gas reads off a needle, which is more useful than lifting the tank and guessing. On a grill, running out of gas is an errand. On a smoker it can end a long cook.
Plan on supplying the tank yourself. Then buy a second one anyway, because every propane cook eventually owns two tanks and the first one teaches you why. Anything past connecting the supplied regulator to a standard tank belongs to a licensed gas professional. Orifices, manifolds and regulator swaps are not weekend projects, no matter how short the video makes them look.
The low end matters more than the 375°F ceiling
Masterbuilt rates the cabinet up to 375°F, and the top of the dial is the least interesting end of a smoker. A smoker earns its keep at the bottom, where it has to settle for a long cook.
On a gas cabinet that floor is a behavior, not a setting. It sits wherever the burner will idle without going out, and it moves with the wind and with what is left in the tank. Buy a probe thermometer and find where yours settles on a calm day. That number is your real floor, and it is worth more than anything on the box.
The 30-inch electric in the same lineup has a settable 100 to 275°F range. Do not line those two figures up and read the propane box as the hotter one. One is a thermostat with a floor. The other is a burner with a ceiling. The electric versus propane comparison keeps the two bases labeled where they sit side by side.
Stacked capacity, not one wide grate
The 960 square inches span four chrome-coated racks. That is useful vertical capacity, but it does not tell you the width of any one shelf. Check the rack dimensions against the pans and cuts you usually cook before buying on the total alone.
A vertical cabinet spends its space differently than a grill does. Four stacked racks take sheet pans, ribs laid flat, several butts at once, and nothing sits over direct flame. That is the format doing its job. This is a smoker, not a grill with a smoke setting on the dial.
The practical limit is shape. Four levels work well for ribs, pork shoulders and pans. A wide cut still has to fit one rack, no matter how generous the total sounds.
Placement, fuel and cleanup
Height is the point of the format. At 28.7 inches wide, 22.8 deep and 53 tall, it stacks the racks upward instead of spreading them across the patio.
If the smoker has to climb deck stairs or ride in a truck bed, confirm the assembled weight before delivery and plan the route before trying to move it alone.
Then the spending that never shows on the sticker. Propane, refilled or exchanged, forever. Wood chunks or chips, continuously, because a cabinet with an empty chip tray is an oven that smells hopeful. A second tank. A probe thermometer, because a built-in dial reports the temperature of one spot near the door and nothing about the rack you care about. A cover, if it lives outside. Spend on the thermometer before anything else on that list. It is the cheapest thing on it.
Delivery-day checks and likely wear
Vertical propane cabinets fail in a short list of predictable places, and door fit is first. A cabinet holds heat with a seal and a latch. A door standing proud at one corner bleeds smoke and heat all day, quietly, while you blame the weather. Check that it closes flush along its whole length before the first cook.
Chip tray and water pan are next. They live in the heat, they warp, and they are consumables in everything but name. Then the gas side: check the hose for kinks and crush marks where it leaves the cabinet, and check that the regulator seats square on the tank. Racks come last. A rack that does not sit level turns a pan of drippings into a floor-cleaning project, so a bent one is worth a phone call rather than a shrug.
Wind is the fourth thing, and it is not a defect. Light-walled cabinets swing with the weather, and any of them on an exposed deck in November will fight you for the whole cook. That is the category, not this model. Put it against a wall, out of the prevailing wind, and the swing gets smaller.
The one-year warranty is a real tradeoff
One year. That is the whole warranty. Read the terms to see what each part actually carries.
One season plus a bit is a short promise on an appliance meant to run all day, all summer, with a gas burner inside it. It is not disqualifying at this end of the market. It is not nothing, either. Decide how you feel about it at checkout rather than at the first broken part, because the components that go first on a cabinet, the chip tray, the water pan, the door seal, are also the ones most likely to be filed under wear.
Propane, electric, or neither
Buy the ThermoTemp if the cook happens beyond the reach of a cord. That is the case for it and it is a good one. Four racks, 960 square inches, a fuel gauge guarding the long smoke, and no argument with an extension cord.
Buy the 30-inch electric if an outlet is within reach. It has a settable 100 to 275°F range, a floor and a ceiling instead of only a ceiling, and plugging in takes the tank out of your logistics entirely. That is the loser winning, and it wins that way for most people, because most backyards have power somewhere in them.
If the fuel question is still open, start with the pellet versus electric versus propane guide. It sorts the three by what each one needs before the first cook and what each gives up for it. The ThermoTemp's answer is the shortest of the three: a tank, and the spot no cord reaches.