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Compared with deep-fat fryers, air fryers are a more healthy way to cook as they use hot air and less cooking oil – or sometimes no oil at all.
Instead, air fryers blast hot air around a small cooking chamber. Their compact cooking space and fast circulation of hot air allow you to make crispy, golden-brown food more quickly than using an oven.
Our expert air fryer testing and buying advice will help you choose the best air fryer for you.
Find the best air fryer for you with our independent air fryer reviews.
How our tests find you the best
Energy efficiency
We scientifically measure exactly how much energy each air fryer uses to properly cook 100g of chips and chicken pieces.
Cooking chips until golden brown
Great air fryers turn out crispy, golden-brown chips with delectable fluffy insides. The worst leave your chips raw or charred (and sometimes both).
Ease of use
We rank air fryers highly when they’re a doddle to use without needing much fuss. We look at controls, the drawers and handling the food, among other things.
We also test…
Build quality, cooking time, ease of storing and cleaning, and more.
We've selected some of the best air fryers based on our rigorous tests, which include a chip taste test by our experts.
We intensively test air fryers so you can guarantee you are spending your money wisely. From which makes the crispiest chips to which are horrible to clean, our in-depth reviews will help you find a model you love.
Only logged-in Which? members can view our recommendations in the table below. Not yet a member? Join Which? and get exclusive access to all our reviews.
Full Access first month £5, then £11.99 per month, cancel at any time
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Looking for an air fryer from a popular brand? We've reviewed hero models from some of the biggest:
Generally, you can get an air fryer for as little as £40, but we've found that a decent model usually costs between £70 and £80.
There is a correlation between the price and quality of air fryers, but this does not mean that all expensive air fryers are good, nor the opposite.
In our tests, some cheaper air fryers were so poor that we named them Don't Buys. We also found some pricier models that gave disappointing results, including soggy, limp or tasteless chips.
Unlike free-to-access websites, which typically get the air fryers they review as freebies or loans from manufacturers, we pay for all the appliances we test, so you can have complete trust in our verdict.
Our tests include assessing the cooking quality of frozen chips, chicken drumsticks and baguettes. For example, the best models turn out evenly cooked chips with a crispy golden brown exterior and fluffy insides. We mark down air fryers that produce greasy, soggy, undercooked or overcooked chips.
We also find out how speedy they are, how much energy they use and how tricky they are to clean. The quickest air fryers take just 20 minutes to cook four portions of chips, and you don't have to preheat. On the other hand, the slowest take over 45 minutes – that's simply way too long to wait.'
If you have a smaller household, an air fryer can be an economical option for preparing meals, which is why we check how much energy each model uses. Of course, the quality of your food is just as important, so we assess how well chips, chicken and baguettes are cooked, as these are some of the most popular air fryer dishes.
Read more about how we test air fryers.
The buzz around air fryers means that popular models have sometimes been difficult to come by.
To help you make your choice, we've picked out a handful of the most searched-for sellers that have a wide range of air fryers in stock.
Looking for an air fryer at a great price? We round up the best air fryer deals every month.
This list of buying questions will help you narrow down your options and ensure you get the best air fryer for your needs:
Manufacturers usually quote the total internal volume of their air fryers in litres as a guide to their size. However, this doesn't always match our own measurements of how much food you can realistically fit inside an air fryer, as not all the internal space is usable.
This is why part of our lab test measures the optimal and maximum capacity of each air fryer in grams of food. The smallest air fryers we've tested can hold up to 400g of food – about two portions of chips and roughly equivalent to the amount of food you can fit on two baking trays in an oven. If you want to cook for more than four people – or you just have a particularly hungry household – air fryers such as the Tefal Actifry 2 in 1 can fit almost twice as much (1.7kg).
Dual air fryers are also an option if you're cooking for more people. They can fit between 0.6kg and 2.3kg of food.
By reading our air fryer reviews you can see exactly how much food, such as chips or chicken, you can comfortably fit in an air fryer.
It's also possible for an air fryer with large external dimensions to have less space available inside for cooking than a smaller one.
Need a larger or smaller air fryer? See our guide on how to buy the best dual air fryers and the small air fryer reviews.
This is the most common type of air fryer. They have a cooking bowl or basket with a handle, so you can shake your food during cooking. This helps ensure the food cooks evenly and makes it easy to lift out of the air fryer once it's ready.
Sometimes they come with a stirring paddle, though we’ve found this doesn't always make for better results.
Pros
Cons
Take a look at our basket air fryer reviews to see all of the models we've tested.
Oven-type air fryers come with one or multiple trays to place your food on and slot into the machine for cooking.
Most have a viewing window on the front so you can keep an eye on your food without disturbing the cooking process.
Pros
Cons
See our oven air fryer reviews to see the models we recommend.
Right now, countertop cooking appliances are becoming bigger, bulkier and more feature-laden as they take on a multitude of cooking tasks.
While most air fryers can also roast, grill and bake, a multi cooker can also cook in other ways, such as pressure cooking, steaming and slow cooking.
All this versatility typically comes at a higher price, so it's worth considering if you'll use all the features before spending the extra cash.
Go to our best multi cookers guide to see test results for multi cookers from from Ninja, Russell Hobbs, Tefal and more.
In most cases, yes. If you're looking for a convenient appliance that will save you time and potentially money, an air fryer could be a worthwhile investment.
They are simple to use and don't require much work, apart from pressing a few buttons to adjust the time and temperature.
Our tests also prove that air fryers really can save you money, but only if you use them effectively by considering the cooking capacity and number of people you'll be cooking for.
A word of caution though: if you're looking to recreate that chip shop taste at home, then you are likely to be disappointed. We find that foods made in an air fryer, and chips in particular, do have a fried quality but if you're used to deep-fried food, you'll easily be able to taste the difference. If that fried food taste is your sole reason for buying, an air fryer may not be worth it.
Reliability is important too. See our guide to the most reliable air fryer brands.
Don't pay over the odds for features that you'll rarely use. Consider this list before you decide on a model.
All air fryers have timers that allow you to set how long you want your food to cook for, and show you how much cooking time is left. Some, such as the Morphy Richards Health Fryer and TowerT17021 Air Fryer, have manual dials that you turn to set the time, but most other air fryers, including the Tefal Actifry, have digital timers instead. A digital timer can make it easier to see at a glance how much time is left on the clock.
You’ll need to clean your air fryer every time you use it, so you might appreciate being able to put the various parts in the dishwasher and letting it do the work. Ideally, the basket/bowl, lid and stirring paddle should all be dishwasher safe, although this isn’t always the case.
Some models, like the Ninja Foodi Dual Zone, have a second cooking compartment that allows you to cook two different types of food (at different temperatures) at the same time. For example, you could make steak and chips without having to mix them together. See our guide to the best dual air fryers.
Some basket-type air fryers have baskets set at an angle. This tilt, combined with a rotating action, tumbles your food around, helping it cook more evenly.
A 'smart' air fryer is one you can control from your phone or tablet. You select the recipe you want to use from the app, which then sends instructions to the air fryer to cook the food to a particular temperature and length of time.
You can keep an eye on the cooking time using the app on your phone, and it will let you know once cooking is finished.
This is a fairly uncommon feature and products with smart capabilities that we've tested have come and gone from the market. But when we come across any more, we'll be sure to flag them.
Some air fryers come with a paddle that automatically moves the food around as it cooks. However, we've found that some air fryers that stir your food for you don't do a very good job, so while a stirring paddle does make it more likely that your food will be evenly cooked, it's not guaranteed.
With most air fryers, you can set the temperature at which you want the food to cook. Typically, this ranges from 80°C to 200°C.
Find out more about the most popular air fryer brands: Ninja Foodi vs Tower Air Fryer vs Tefal ActiFry.
Here we answer some of the most frequently asked questions about air fryers.
Any food that does well when roasted, baked or fried will do well in your air fryer.
As well as chicken and chips, other popular choices include potatoes, roasted vegetables, falafel, fish, pizza and even baked goods such as cookies and cakes.
Air fryers can also be useful for quickly cooking and crisping up frozen foods and snacks such as fish fingers, chicken nuggets, spring rolls and pies.
You should avoid putting fresh greens, cheese and any food covered in wet batter in your air fryer. Cooking whole roasts, such as roast chicken, can also be problematic, so joint your bird first before frying.
Some air fryer manufacturers offer starter recipes to get you going: take a look at these Ninja recipes and Philips recipes.
Unlike deep-fat fryers, which use a large amount of oil to cook your food, air fryers rely on the intense circulation of hot air to produce crispy, perfectly cooked meals.
Manufacturers are known to highlight the health benefits of air fryers, even labelling them 'health fryers'. While some of those claims are exaggerated, air fryers can be a healthier way to cook food due to the small amount or no oil used in the air frying process.
Most standard air fryers come with auto-programs such as air fry, bake, roast and grill, but some premium models or multicookers will come with programs such as dehydrate, reheat, pressure cook, slow cook, steam and sauté – so you can get as creative as you like.
Yes, it's fine to put foil in an air fryer. They work in a completely different way from microwaves, so putting foil inside should not result in sparks and fire. It can also make the clean-up process easier and quicker.
When using foil in an air fryer, don't cover any holes, fans or other heating elements. Use only as much foil as you need to cover the basket or tray. You can also use baking paper.
See our guide to how to clean an air fryer or find out more about air fryer liners.
Yes, they can be if you use them correctly. But it depends on the size of your air fryer and how many people you’re cooking for.
The main drawback of the air fryer is the amount of food it can cook. The cooking capacity of the air fryers we’ve tested ranges between 0.3kg and 2.2kg, a huge variance, so choose a model that caters to your needs.
In general, small households cooking single batches of food will benefit most. As an alternative to switching on a full-sized oven several times a week to cook a meal for two, the benefits really stack up.
However, if you’re feeding several people, or want to cook a few different food items at the same time, an oven has more space and may work out cheaper than cooking several batches in an air fryer.
Sometimes. You would think that air fryers with a smaller capacity would use less energy, but our tests show that's not always the case. Many medium-sized and even large-capacity air fryers use less energy and have lower annual running costs than smaller ones. This is why it's important to do your research before you buy.
If your main priority is saving energy, pay special attention to our annual running cost calculation, which is included in all our air fryer reviews. You don't need to be a Which? member to access this information.
Another important thing to consider before you buy a smaller air fryer is that it will actually be big enough to accommodate all your food. If you're in doubt, it's a good idea to go for a slightly larger model, since cooking multiple rounds is less energy efficient than cooking only one round in a larger air fryer.
See how air fryers compare to ovens when it comes to energy, in our air fryer vs oven guide.