Kitchen · Mistakes to Avoid
Air Fryers: Mistakes to Avoid When Buying
By the Nest & Yard editorial teamUpdated 2026-08-094 min read
Our pick: the Ninja Foodi Dual Zone Digital Air Fryer, 2 Drawers, 6-in-1, 7.6L, Black (AF300UK) — the best Air Fryers we tested, from £148.99.
Air fryers have become incredibly popular in UK kitchens, but it’s easy to get caught up in the hype and make some costly mistakes when choosing one. Before you invest in a device like the Ninja AF100UK or the larger Ninja Foodi Dual Zone model, it's worth considering whether you’re truly factoring in the right size for your needs and whether those extra features – such as multiple drawers or preset programs – will actually be used regularly. Ignoring these potential pitfalls could mean overspending on a machine that sits unused, or failing to budget for essential accessories like cooking liners or specialist racks.
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#1 Pick
Ninja Air Fryer AF100UK, 3.8L, 4-in-1, Digital, Grey & Black- Single or couple households
- 3.8L
Currently unavailable
Pros
- Air fry, roast, reheat and dehydrate in one 4-in-1 unit
- Dishwasher-safe non-stick basket
- Compact enough for smaller kitchens
Cons
- 3.8L capacity is snug for a family of 4+

#2 Pick
Ninja Foodi Dual Zone Digital Air Fryer, 2 Drawers, 6-in-1, 7.6L, Black (AF300UK)- Family cooking
- 7.6L
£148.99
Pros
- Two independent drawers cook different foods at different temperatures
- Match Cook button syncs both drawers to finish together
- 6-in-1 functions including roast, bake and dehydrate
Cons
- Two-drawer design takes up more worktop and storage space than a single basket

#3 Pick
COSORI Air Fryer 5.5L Capacity, Oil Free, 11 Presets with 100 Recipes Cookbook, Non-Stick, Dishwasher Safe Basket, 1700-Watt (CP158-AF)- Family cooking
- 5.5L
£78.59
Pros
- 11 presets cover everything from fries to whole chicken
- Non-stick dishwasher-safe square basket maximises usable space
- Shake reminder helps food cook evenly
Cons
- Touchscreen controls can be fiddly with wet hands

#4 Pick
Ninja AF161 Max XL Air Fryer that Cooks, Crisps, Roasts, Bakes, Reheats and Dehydrates, with 5.5 Quart Capacity, and a High Gloss Finish, Grey- Family cooking
- 5.5QT
Currently unavailable
Pros
- 5.5-quart basket cooks and crisps up to 3lbs of fries
- Cooks, crisps, roasts, bakes, reheats and dehydrates in one unit
- Dishwasher-safe nonstick basket and crisper plate
Cons
- Larger footprint than single-basket compact air fryers
FAQ
I’ve got limited space in my kitchen – how do I avoid buying an air fryer that won't fit?
Measure the available space, including height, width, and depth, before browsing. Consider the air fryer's dimensions carefully, paying attention to whether it needs ventilation or has a bulky base – many models are wider than they appear.
Some air fryers have loads of fancy features I’ll never use; is that a waste of money?
Evaluate which features genuinely align with your cooking habits and frequency. Stick to essential functions like preheating, temperature control, and timers for the best value – avoid paying extra for specialized programs you won't utilise.
I’m tempted by air fryers that claim to cook frozen meals perfectly; is this always true?
While many models can handle frozen items effectively, results vary significantly based on the food type and batch size. Start with smaller quantities and adjust cooking times according to the manufacturer's guidelines.
I’ve seen air fryers advertised as ‘silent’; how quiet are they really?
All appliances produce some noise during operation – look for models with a low decibel rating if absolute silence is essential, but don’t expect complete quietness.
What about the running costs of an air fryer? Are they significantly higher than my oven?
Air fryers generally consume less energy than traditional ovens, but usage frequency impacts overall cost. Regularly cleaning the crumb tray will also improve efficiency and reduce wasted heat.
I’m worried about cleaning – are all air fryers dishwasher safe?
Not all components are dishwasher-safe; check the manufacturer's instructions for specific parts like baskets and trays. Most require handwashing with warm soapy water to avoid damage.
Some air fryers claim to cook food faster than an oven – is this always accurate?
Cooking times can vary depending on food type, quantity, and the air fryer’s power level; always refer to recommended cooking times from the manufacturer or recipes.
I'm buying a small air fryer for single-person use – what capacity should I look for?
For one person, an air fryer with a capacity of around 3-5 litres is generally sufficient; larger models are often overkill and can take longer to heat up.
What about accessories? Are they necessary, or just a way to increase the cost?
While some accessories like racks or skewers can enhance cooking versatility, they're not essential. Consider your needs before purchasing additional items – many recipes work perfectly well with just the basket.
I’m unsure about the safety features of an air fryer; what should I look for?
Check that the appliance has a cool-touch exterior and automatic shut-off functionality, both crucial safety measures. Always follow the manufacturer's instructions carefully to prevent accidents.
In depth
Let's be honest, air fryers have taken the UK by storm. They’re touted as healthier alternatives to deep frying, incredibly convenient, and remarkably easy to use. However, a significant number of first-time buyers make mistakes – often overlooking crucial details that can impact their enjoyment and the overall value of their purchase. It's not just about the appliance itself; it’s about ensuring it fits seamlessly into your kitchen and cooking habits. Let's delve into some common pitfalls and, more importantly, how to navigate them successfully.
One of the most frequent errors is selecting an air fryer that simply won’t fit in your available space. Many people, particularly those living in smaller homes or flats, underestimate the footprint of these devices. The basket itself isn’t the only thing taking up room – consider the appliance's height and width, especially if you plan to store it alongside existing appliances. Before committing to a larger model boasting extra features, meticulously measure your countertop space, leaving ample room for operation and easy access. Don’t be swayed by the promise of “family-sized cooking” if you rarely cook for more than two people; opting for a smaller capacity will likely be far more practical in the long run. Instead, focus on models that are compact and have a footprint that aligns with your kitchen's dimensions – paying attention to the overall height is particularly important as many units require significant vertical space.
Another common issue centres around feature overload. Air fryers come packed with various settings: pre-set programs for specific foods, temperature controls, timers, and even rotisserie functions. While these features can seem appealing initially, a large percentage of users rarely utilise half of them. Many models include advanced technologies like steam injection or dehydrating capabilities which, while impressive on paper, add to the cost without necessarily improving everyday cooking. If you primarily intend to use your air fryer for basic things like chips and chicken wings, paying an extra £100 – or more – for a model with 15 pre-programmed settings is likely a waste of money. Research which features are genuinely important to *your* cooking style; prioritise models with the core functionality you anticipate needing most frequently.
It’s easy to get caught up in the marketing hype surrounding air fryers, particularly when it comes to specifications like wattage or heating speed. However, these numbers often don't translate into tangible benefits for the average home cook. A high wattage doesn't automatically mean faster cooking; it simply indicates a greater energy consumption. Similarly, rapid heating speeds are impressive in demonstrations but might not make a significant difference to your overall cooking time – especially if you’re only preparing small batches. Focus instead on factors like basket capacity, temperature range, and the presence of pre-set programs relevant to your usual meals. Don't be drawn in by claims about "revolutionary technology" if it doesn't address your specific needs.
Beyond the initial purchase price, it’s crucial to factor in ongoing running costs and potential accessories. Air fryers require electricity, obviously, but consider the energy efficiency of the model you're buying. Some models are significantly more power-hungry than others, which will impact your bills over time – particularly if you plan on using it frequently. Additionally, think about necessary accessories like additional cooking baskets, parchment paper (essential for preventing food from sticking), and potentially a silicone splatter guard. Many retailers bundle these items with the air fryer, but factor in those costs when comparing prices across different models.
Finally, don’t let glossy marketing images and enticing claims cloud your judgment. Air fryers are ultimately tools; their effectiveness depends on how you use them. Research user reviews – focusing on practical experiences rather than overly enthusiastic testimonials – to get a realistic sense of the appliance's performance. Consider the brand's reputation for reliability and customer support, as this can be invaluable if any issues arise. A slightly less flashy model from a reputable manufacturer might prove more satisfying in the long run than a high-spec machine that underperforms or breaks down quickly.
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.