The air fryer is the rare kitchen gadget that has outlived its trend. It arrived with exaggerated promises, fried food without the oil, and settled into something more modest and more useful: a small, fast, convection oven that reheats leftovers better than a microwave, cooks a batch of vegetables in minutes and does a respectable job on frozen foods. Millions of households own one, and a large number of them use it several times a week.
Buying one, however, is not as simple as the sticker on the box suggests. Air fryers come in two main shapes, with different strengths, and the capacity numbers on the box do not always match what you can fit. This guide explains how air fryers work, how the basket and oven types compare, how to read capacity and wattage and what to think about before you give up counter space. It is not a recommendation of a model, and cooking results depend on the food and the settings.
In this guide
What an air fryer actually does
An air fryer is a compact convection oven. A heating element warms the air, and a powerful fan circulates it quickly around the food. The moving hot air browns the surface and crisps it in a way that a standard oven, with slower air movement, cannot match in the same time. Food is usually in a basket or on a rack, so hot air reaches all sides.
The result is not the same as deep frying, where food is submerged in hot oil, but for many foods, such as fries, chicken pieces, vegetables and reheated pizza, it is close enough to be satisfying, with much less oil. We do not give nutrition or health advice.
Two main designs
Basket-style air fryers
A pull-out drawer holds a perforated basket. Hot air circulates from above, and you shake or turn food halfway through.
Compact, with a small footprint. Fast to preheat. Simple controls. Good for crisp results with small to medium batches.
Limited capacity, and food is stacked, so it needs shaking for even cooking. Cleaning the basket takes effort. Some baskets have nonstick coatings that wear.
Oven-style (toaster-oven) air fryers
A box with a door and racks, often with multiple functions, such as baking, roasting, toasting and dehydrating, in addition to air frying.
Larger capacity and more flexible. Can cook on several racks, and the glass door lets you see the food. Can replace a toaster oven.
Larger and heavier, taking more counter space. Slower to heat. Cleaning racks and the interior takes more time.
Dual-basket models
Two separate baskets that can cook different foods at once, sometimes timed to finish together.
Cooks two dishes simultaneously, useful for a main and a side.
Larger footprint and a higher price. Each basket is smaller than a single large one.
Capacity: the number that misleads
Air fryer capacity is listed in quarts. A small unit is about two to three quarts, medium is four to six and large is seven to ten or more. The number is the volume of the basket, not what can be cooked in a single layer. Air frying works best when food is in a single layer with room for air to flow. Crowding reduces crisping.
- 2 to 3 quarts — One person, snacks, small side dishes.
- 4 to 6 quarts — Two to four people for typical meals.
- 7 to 10 quarts — Families, batches, a small whole chicken.
- Oven style, large — Several racks, larger items, family cooking.
If you cook for more than two, be realistic: a small basket will require multiple batches, and the time saved disappears.
Wattage and power
Most air fryers draw between about 1,000 and 1,800 watts. Higher wattage can mean faster preheating and more powerful heating, but wattage is not a measure of performance alone. Airflow design matters. Check that your outlet and circuit can handle the draw, particularly if you use other appliances on the same circuit. We do not give electrical advice. Follow the manual, and avoid extension cords and power strips unless the maker approves them.
Controls and features
- A range up to about 400 degrees Fahrenheit is common.
- for common foods are convenient, though many cooks end up using manual settings.
- help with basket models.
- let you check without opening.
- Some models require preheating, and others do not.
- such as roast, bake, reheat and dehydrate vary by model.
- exist on some models and add little for most cooks.
Simple dials and buttons that are easy to read are underrated.
Cleaning and coatings
Many baskets have nonstick coatings. These can wear with metal utensils and harsh scrubbing. Check whether parts are dishwasher-safe, which is a significant convenience, and follow the manual. Our guide to cleaning countertop appliances explains a routine. A removable basket and a flat design are easier to clean than one with many crevices.
Noise and ventilation
The fan is audible, and some models are louder than others. Place the unit where it has room to vent, as the manual directs, and not under a cabinet that traps heat and steam. Some air fryers release a smell during first use, as with other new appliances. Follow the maker’s instructions for initial cleaning.
Safety
- Place the air fryer on a stable, heat-resistant surface, away from walls and cabinets.
- Do not use it near water or on a wet counter.
- Keep cords out of reach and away from hot surfaces.
- Use oven mitts when handling hot baskets and trays.
- Do not overfill or block airflow.
- Do not leave it unattended for long.
- Follow the manual’s guidance on materials that can be used inside it.
We do not give food-safety advice. Cook food to the temperatures recommended by public-health agencies, and use a thermometer where appropriate.
Air fryer or something else?
If you already have a good oven and a toaster oven, an air fryer may add little. If you cook small batches often, want fast preheating and reheat leftovers frequently, it is more useful. If you want one machine to do many jobs, consider a multi-cooker; see our comparison of multi-cookers and slow cookers.
Questions to ask before you buy
- How many people will I cook for, and how often?
- How much counter or storage space do I have?
- Do I want a drawer or an oven-style door?
- Are the parts removable and dishwasher-safe?
- What is the coating, and how durable is it?
- How loud is it, according to reviews?
- What is the warranty, and what does the return policy allow?
For timing a purchase, our guide to Black Friday kitchen appliance deals shows how to compare offers.
The short version
An air fryer is a compact, fast convection oven. Choose a basket for small, quick jobs and an oven style for flexibility and capacity, and be realistic about size. Check wattage and controls, look at cleaning and coatings, and place it with room to breathe. A good air fryer is one that stays on your counter because you use it, and a poor fit ends up in the cupboard.
Air fryers in four lines
- An air fryer is a compact, fast convection oven.
- Basket types suit small jobs; oven types suit more food and flexibility.
- Capacity in quarts is not single-layer room.
- Check cleaning, coating and noise.
Related: multi-cookers and slow cookers if you want one pot for many jobs.
