How the Five Compare on the Numbers
Four of these five are high heat electric boxes built around a stone, and one is not. The Presto Pizzazz Plus is a rotating tray baker with a nonstick pan instead of a stone, no stated temperature anywhere on its listing and no wattage. It is sold as an indoor pizza oven and it is included here because the pool held nothing else, but it belongs to a different category of appliance and is labeled that way throughout.
Temperature is what this category sells, and it is where these listings separate. BIG HORN states 850 degrees Fahrenheit. Chefman, Gourmia and PIEZANO all state 800. Presto states nothing. Only two publish a floor as well as a ceiling, and only one publishes the preheat time that decides whether a weekday pizza is realistic.
What the table cannot tell you is where in the oven that temperature is measured. Every one of these figures is a maximum somewhere inside a box, and a stone that reads 800 degrees under the pizza is a different oven from air that reads 800 above it. Only PIEZANO fits a thermometer display you can read while cooking, and only BIG HORN names the control system, a PID loop, that is supposed to hold the number steady.
Temperature Is the Whole Category
850 Degrees, 800 Degrees and One Silence
BIG HORN publishes the highest figure here, 850 degrees Fahrenheit, and three rivals publish 800. That gap is small in practice and the reason the number matters at all is stated most clearly by PIEZANO: a domestic oven typically stops at 450 to 500 degrees, which is why home pizza crusts do not behave like pizzeria crusts.
Presto publishes no temperature at all. Its listing describes top and bottom elements that can be selected separately, a rotating tray, a timer that switches the elements off, and energy savings of as much as 60% against a conventional oven. Every one of those is a real feature and none of them tells you how hot the pizza gets.
The Floor Matters As Much As the Ceiling
Two listings publish a full range. BIG HORN gives 220 to 850 degrees Fahrenheit under PID control, and Chefman gives 300 to 800 with both heating elements variable across it. A low end is what lets an 800 degree oven bake bread or reheat a slice without incinerating it, and BIG HORN’s 220 is the lowest setting stated anywhere here.
Gourmia and PIEZANO publish a ceiling only. Gourmia says its upper and lower burners adjust independently, which is control of a different kind: the balance between crust and cheese rather than the absolute heat. PIEZANO says top and bottom heat settings without naming a scale. Neither says how low either oven will go.
How Long a Pizza Actually Takes
Two Minutes, Three, or Under Six
Gourmia claims the fastest bake, as little as 2 minutes for a 12 inch pizza at 800 degrees. BIG HORN claims 3 minutes for a 14 inch pizza at 850. PIEZANO claims under 6 minutes at 800, which is double BIG HORN’s figure at a similar temperature and on the same pizza size. Chefman says minutes without committing to a number.
Those are not comparable claims made under comparable conditions, because none of the four says what dough, what topping load or what starting stone temperature. What they do show is a spread wide enough to matter: a 2 minute bake and a 6 minute bake are different evenings if you are feeding four people one pizza at a time.
The Preheat Nobody Else Publishes
BIG HORN is the only listing that states a preheat: 15 minutes to reach 850 degrees Fahrenheit. That figure is the honest cost of a 3 minute bake, and adding it changes the arithmetic. Chefman gets at the same idea differently, saying its double paned window and high heat design keep the oven hot for back to back cooking, which is about the second pizza rather than the first.
The other three publish nothing on preheating. For an appliance whose whole appeal is speed, that omission is the gap in four listings out of five, and it is the specification most likely to decide whether the oven gets used on a Tuesday or only at weekends.
Stones, Peels and What Else the Oven Does
Four Stones and One Nonstick Pan
Four of these five ship a stone and two name the material. Gourmia states cordierite and PIEZANO states natural ceramic. BIG HORN calls its 14 inch stone heat conducting and Chefman just calls it a pizza stone. Three of the four say the stone is removable for cleaning, and Gourmia adds the instruction the others leave out: hand wash the stone, even though its basket, rack and trays go in the dishwasher.
Presto has no stone. It bakes on a removable nonstick pan that rotates continuously under the elements, which is a completely different mechanism: the pizza moves instead of the heat being even. That is why it also weighs 7.6 pounds against 23.3 and 28.5 for the two ovens that publish a weight. It is not the same class of object.
One of These Is an Air Fryer Too
Gourmia is a combination appliance and its listing is honest about it: six pizza presets plus seven functions covering air fry, bake, roast, broil, toast, bagel and dehydrate, with an interior light, a glass window and named dishwasher safe parts. At 28.5 pounds it is the heaviest of the five and it replaces more than one appliance on the counter.
BIG HORN takes the middle road, naming bread, cakes, pies, baguettes and chicken wings alongside pizza, and adds the only storage feature on the page: a flip up design it says cuts its footprint by 50%. Chefman and PIEZANO make pizza and nothing else, and neither mentions another food anywhere in its bullets.
Which One Fits Your Kitchen
A 14 inch pie and full control of the heat. BIG HORN publishes the fullest stated range here, 220 to 850 degrees Fahrenheit under PID control, with a 15 minute preheat, a 3 minute bake, 1800 watts, six presets, a 14 inch stone, a peel and a flip up body. It publishes no weight.
One appliance instead of three. Gourmia pairs six pizza presets with seven functions including air fry and dehydrate, states 12 inch pizzas in as little as 2 minutes at 800 degrees, names its cordierite stone and its dishwasher safe parts, and publishes a size that matches its own fields. At 28.5 pounds it is the heaviest here.
Paperwork and a warranty. Chefman is the only pick citing a certification, cETL, with a one year assurance, 1700 watts at 120 volts, five named presets on a touchscreen, a 300 to 800 degree range, a double paned window for back to back pizzas, and both a stone and a peel in the box.
A 14 inch stone in a small footprint. PIEZANO publishes a natural ceramic 14 inch stone, 800 degrees, under 6 minutes, top and bottom heat settings and a thermometer display you can read while it cooks, plus suction cups on the base. Note its 3 prong plug and treat its dimension fields as unusable.
Turning the pizza for you. Presto rotates the pizza continuously on a removable nonstick pan under separately controlled elements, with a timer that switches off, and at 7.6 pounds it is the lightest of the five. It publishes no temperature, no wattage and no stone, so it is a different appliance from the other four.
What We Could Not Verify
Every figure above comes from the makers’ own listings. These are the things we went looking for and could not source.
- Presto publishes no temperature and no wattage, so its bake cannot be compared with the four ovens that state a ceiling.
- Only BIG HORN publishes a preheat time, so four of the five say nothing about how long the wait is before the first pizza.
- No listing says where its stated temperature is measured, on the stone or in the air above it.
- BIG HORN and PIEZANO publish no weight, so only three of the five can be compared on mass.
- PIEZANO’s dimension fields, 13.77 by 13.62 inches, cannot enclose the 14 inch stone its own bullets describe, and Presto’s fields are smaller still.
- Only Chefman publishes a certification and a warranty, and no listing states how long a stone is expected to last or whether one can be replaced.
