Air Fryer vs Convection Oven: What Actually Differs
An air fryer is a small, fast convection oven. See how fan, heat, capacity and oven air-fry modes compare, per GE, Frigidaire and Consumer Reports.
An air fryer is a countertop convection oven. Both use a heating element and a fan to move hot air, so the air fryer vs convection oven difference is size and intensity, not technology. The air fryer puts its element and fan right above a small basket, which is why it crisps small batches faster, per Nebraska Extension and Prudent Reviews. A convection oven holds far more food and bakes on several racks.
Kitchen Watcher compiles manufacturer documentation and independent test results; we did not cook with these appliances. See how we research.
Is an air fryer a convection oven?
Yes, in how it heats food. Nebraska Extension describes an air fryer as cooking by moving very hot air around food, which is convection cooking. Its heating element sits above the food and a fan moves the air quickly.
Consumer Reports agrees: convection, hot air moved by one or more fans, is the same technology behind countertop air fryers. CR adds that a little oil on the food also transfers heat by direct contact. Prudent Reviews says air fryers cook faster than convection toaster ovens because the chamber is smaller and sealed, the element is closer to the food and the fan blows faster.
So an air fryer is not a separate heating method, and it does not fry in a vat of oil. Nebraska Extension notes it uses little or no oil.
Air fryer vs convection oven vs oven air-fry mode, side by side
Many comparisons pit an air fryer against one kind of oven. The table below adds a third option many readers already own: the air-fry setting on a range or wall oven. Where no source gives a figure, the cell says so.
| Feature | Countertop air fryer | Convection oven (bake/roast) | Oven air-fry mode | Source |
|---|---|---|---|---|
| How heat moves | Element above food, fan moves air quickly | Fan circulates heated air through the cavity | Fast-moving hot air sent from above; fan cycles on and off (GE) | Nebraska Extension; Consumer Reports; GE (manufacturer) |
| Element strength | Varies by model, check the manual | No figure in our sources | Frigidaire says its Air Fry ranges’ convection element is more than twice as powerful as a standard one | Frigidaire (manufacturer claim) |
| Capacity | 2 to 6 qt basket (average range) | About 18 qt average for convection toaster ovens; a range holds more than twice a standard air fryer | Same cavity as the range, but meant for one rack | Prudent Reviews; Consumer Reports; Frigidaire |
| Rack setup | Basket | Several racks, more than one food at once | One rack; GE says center rack for most foods | Frigidaire; GE (manufacturer) |
| Typical settings | 350 to 400°F average | 400 to 450°F average (toaster oven) | GE says to use the package’s oven temperature and time | Prudent Reviews; GE (manufacturer) |
| Preheat | About 4 min in one informal comparison | About 4 min in the same comparison | None on GE’s No Preheat Air Fry | The Spiffy Cookie (blog); GE (manufacturer) |
| Best at | Small batches of crispy food | Baking and roasting on several racks | Crispy food on one rack; fries 20 to 30 min faster than bake | Frigidaire; Consumer Reports |
| Counter space | 103 to 172 sq in (4 models) | 196 to 376 sq in (3 toaster ovens) | None; built into the range | Prudent Reviews, from listed dimensions |
The capacity and temperature figures from Prudent Reviews are its stated averages, and the counter-space figures come from listed dimensions of popular models. Its cooking tests compared a 5.5-quart basket air fryer with a 16-quart convection toaster oven, not a full-size oven.
Is an air fryer faster than a convection oven?
Usually, by about 5 to 10 minutes in the few published side-by-side tests, but the evidence is thin. Three third-party sources report cook times, and none used the same method, so read them as rough signals.
| Food | Air fryer | Comparison appliance | Tester and method |
|---|---|---|---|
| Chicken wings | 25 min | 35 min (convection toaster oven) | Prudent Reviews, both in air-fry mode at 390°F |
| Frozen waffle fries | 15 min | 20 min (convection toaster oven) | Prudent Reviews, both in air-fry mode at 350°F |
| Brussels sprouts | 13 min | About 20 min (convection toaster oven) | Prudent Reviews, both in air-fry mode at 390°F |
| Frozen fries | Countertop fryer’s fries looked better | Range and wall-oven air-fry modes cut 20 to 30 min vs regular bake | Consumer Reports, 2 ranges and 1 wall oven |
| Fries, salmon, bacon | About 5 min faster | Convection oven, about 5 min slower | The Spiffy Cookie, informal blog test |
Each test has limits. Prudent Reviews used a toaster oven, and Consumer Reports compared air-fry mode with regular bake rather than with convection, crediting most of the gain to skipping the preheat. The blog test gave no wattage or model details.
Prudent Reviews also lists package directions, such as Ore-Ida fries at 400°F for 12 minutes in an air fryer vs 425°F for 25 to 29 minutes in a convection oven, but those are label instructions, not tests. No public test we found cooks the same food in a basket air fryer and a full-size convection oven head to head.
Convection vs the air fry setting on an oven: what’s the difference?
Per Frigidaire, Air Fry circulates hotter air sooner on one rack, while Convection heats more gradually for baking on several racks. Brands describe the two modes differently, so treat these as manufacturer statements.
Frigidaire says both modes use all the elements, burners and the convection fan, but the convection element in its Air Fry ranges is more than twice as powerful as a standard convection element. Air Fry heats up quickly and circulates hotter air sooner. Frigidaire says Air Fry is meant for one rack, while Convection is for baking and roasting on several racks.
GE Appliances describes its No Preheat Air Fry as fast-moving hot air sent from above to surround the food, with the fan cycling on and off. GE’s air-fry tips say to:
- Put food into a cold oven, with no preheat.
- Use dark baking or sheet pans; parchment is fine.
- Spread food in a single layer without crowding.
- Use the center rack for most foods and a lower rack for thicker ones.
- Lightly spray with a high-heat oil such as avocado oil; if food browns too fast, move it lower and/or lower the temperature.
- For countertop air fryer recipes, expect to cook a little longer or slightly hotter.
Consumer Reports also says dark bakeware absorbs more heat than shiny pans and helps food brown, and that a convection oven without an air-fry setting can get similar results on convection roast. Behavior differs by brand, so your owner’s manual is the final word on rack position and bakeware.
Air fryer or convection oven: which should you use?
Match the appliance to what and how much you cook:
- One or two servings of crispy food: a countertop air fryer. The Spiffy Cookie notes that beyond one or two servings you end up cooking in batches.
- Sheet-pan dinners, multi-rack baking or a whole bird: the oven on convection. Frigidaire positions convection for several racks, and Consumer Reports says a range holds more than twice as much food as a standard air fryer.
- Feeding a family fries or wings: the oven or its air-fry mode. Consumer Reports says the larger capacity and shorter cook time help families. Frigidaire notes its Air Fry mode is still meant for one rack.
- You already own an air-fry range: try it before buying a countertop unit. Consumer Reports found all three ovens it tested made crispy fries, though not quite as good-looking as a countertop fryer’s.
- Short on counter space: by the listed dimensions Prudent Reviews compiled, four basket air fryers need 103 to 172 sq in, less than the 196 to 376 sq in of three convection toaster ovens.
For basket size by household, see what size air fryer you need. For picks, see the best air fryers.
Energy use: why the 20% figure doesn’t apply at home
You may see a “20% more efficient” figure attached to convection ovens. It comes from the ENERGY STAR commercial ovens factsheet, which says ENERGY STAR certified commercial convection ovens are about 20% more efficient than standard commercial models. It does not compare convection with regular baking or with an air fryer, and it does not cover home ranges.
None of our sources measured home energy use for either appliance. For per-use cost, see how much electricity an air fryer uses.
Food safety: the same temperatures either way
Nebraska Extension warns not to overfill an air fryer: food won’t cook evenly or reach the proper temperature, and it browns poorly. It says a food thermometer, placed in the thickest part away from bone, fat or gristle, is the only way to confirm meat, poultry and egg products are safe. It lists these USDA minimum internal temperatures, which apply whatever you cook in:
- All poultry, including ground poultry: 165°F
- Ground beef, pork, veal and lamb: 160°F
- Steaks, chops and roasts of beef, pork, veal and lamb: 145°F, then rest at least 3 minutes
- Eggs: 160°F
- Fish and shellfish: 145°F
For coating and fire questions, see are air fryers safe.
More on air fryers
- Best air fryers
- Instant Vortex Plus 6qt review
- Ninja AF101 review
- How much electricity an air fryer uses
- What size air fryer do I need
- Do you need to preheat an air fryer
- How we research
Frequently asked questions
Is an air fryer just a small convection oven?
In how it heats, yes. Nebraska Extension describes air frying as convection cooking, with a heating element above the food and a fan that moves hot air quickly. Consumer Reports says convection is the same technology behind countertop air fryers. Prudent Reviews credits the smaller chamber, closer element and faster fan for its speed.
Can I use the air fry setting on my oven instead of buying an air fryer?
Often, yes. Consumer Reports tested air-fry modes on two ranges and one wall oven, and all made golden, crispy fries with a few teaspoons of oil, 20 to 30 minutes faster than regular bake, largely because no preheat was needed. The fries were not quite as good-looking as from a countertop air fryer, but a range holds more than twice as much food.
What is the difference between convection and air fry on an oven?
Per Frigidaire, Air Fry makes hotter air sooner and is meant for one rack, while Convection is more gradual and meant for baking and roasting on several racks. Frigidaire says the convection element in its Air Fry ranges is more than twice as powerful as a standard one. GE says its air-fry mode sends fast-moving hot air from above, with the fan cycling on and off.
Do I need to preheat for oven air fry mode?
Not on GE's No Preheat Air Fry ranges and wall ovens. GE says to put food into a cold oven and start the mode, using the center rack for most foods and a lower rack for thicker ones. Other brands may differ, so check your oven's owner's manual before skipping preheat.
What pan should I use for air frying in a convection oven?
Use a dark baking or sheet pan. GE and Consumer Reports both say dark pans absorb more heat and brown food better than shiny ones. GE adds that parchment is fine, food should sit in a single layer without crowding, and a light spray of high-heat oil such as avocado oil helps crisping.
Sources
- food.unl.edu/sites/unl.edu.ianr.extension.food/files/articles/documents/food-safety-air-fryers-fffyc.pdf
- consumerreports.org/appliances/cooking-baking/how-to-air-fry-without-an-air-fryer-a3761040766
- owner.frigidaire.com/support-articles/article/1847377-ovens-what-is-the-difference-between-air-fry-and-convection-
- geappliances.com/ge/lifestyles/top-air-fry-oven-tips
- products.geappliances.com/appliance/gea-support-search-content
- energystar.gov/products/tools_resources/commercial-ovens-factsheet
- prudentreviews.com/air-fryer-vs-convection-toaster-oven
- thespiffycookie.com/2021/12/12/air-fryer-vs-convection-oven