Joybuy Insights

Buying an Air Fryer: A Guide to Choosing the Right Size, Features and Everyday Use

An air fryer – also known as a hot air fryer or oil-free fryer – can cook chips, vegetables, meat, baked goods and reheated meals using hot circulating air. However, before you buy, it's worth taking a close look at the technical specifications. If you're guided only by the number of programmes, capacity promises or particularly compact product images, you could end up with a machine that's too small for daily use, difficult to clean, or simply doesn't fit on your worktop.

Common Buying Tricks and Hidden Pitfalls

1. The litre capacity doesn't automatically equal usable space

The stated capacity describes the volume of the basket or cooking chamber. However, for even air circulation, the basket shouldn't be overfilled. An air fryer with 5 litres may therefore be suitable for two to four people, depending on the food and portion size, while particularly compact models are better suited to singles or couples.

The shape of the basket also matters: a wide, flat basket often offers more usable surface area for chips or vegetables than a narrow, tall container with the same litre rating.

2. Lots of programmes don't replace manual settings

An air fryer with multiple programmes offers convenience, but pre-set temperature and time values are only guidelines. Frozen products, fresh potatoes and delicate baked goods all require different settings. Buyers should check whether the temperature and timer can also be adjusted manually.

3. 'Dishwasher-safe' usually only applies to removable parts

When an air fryer is described as dishwasher-safe, this typically refers to the basket, rack or crisper plate – not the main unit. The electrical base must never be submerged in water. Non-stick coatings can also be damaged by harsh detergents, metal utensils or abrasive scouring pads.

Technical Specifications to Check Before You Buy

Capacity to Suit Your Household

As a rough guide:

  • 2 litres: suitable for one person or small portions for two people
  • 3 to 4.5 litres: ideal for singles, couples and smaller households
  • 5 to 6.5 litres: suitable for multiple portions and many family meals
  • 7 litres or more: worth considering for larger quantities or frequent use
  • Dual-basket air fryer: handy when you want to cook two foods at different temperatures or cooking times simultaneously

For an air fryer for families, it's not just the total volume that matters, but also the number of cooking baskets and their internal surface area. Two separate zones can offer organisational advantages, but they often require more worktop space and power.

Power, Temperature and Timer

The wattage indicates the electrical power consumption, not automatically the actual cooking quality. It should match the size of the appliance. Models with 1,150 to 1,600 watts are often suitable for compact to medium-sized machines. Large dual-basket models can reach over 2,400 watts and should be plugged directly into a suitable wall socket.

Look out for:

  • a clear temperature range, e.g. 80 to 200 °C
  • a timer of at least 30 to 60 minutes
  • manual adjustment options in addition to automatic programmes
  • adequate ventilation around the air intake and outlet
  • a stable, heat-resistant surface to place it on

A touchscreen or LED display makes operation easier, but it's no substitute for easy-to-read indicators and a basket that's simple to access.

Cleaning and Materials

A removable basket with a non-stick coating reduces cleaning effort. Whether the parts are actually dishwasher-safe should be stated in the product specifications for each model. Even if they are, it's advisable to use a gentle wash cycle for coated parts, unless the manufacturer advises otherwise.

Before buying, also check the external dimensions, including the clearance required. Appliances must not be operated directly under wall cabinets or next to flammable materials. Hot surfaces and escaping steam pose a burn risk.

Our Selection by Household and Usage

Best for: Budget-conscious beginners
Midea 2L Air Fryer

Midea 2L Air Fryer, 1150 W

Why this product fits the profile: The compact 2-litre design takes up little space and is intended for one to two people according to the product details. It's ideal for small kitchens, apartments or single meals.

How this product avoids the pitfall

The small capacity prevents you from buying a larger machine unnecessarily. The basket and removable parts are dishwasher-safe according to the product description.

Key benefits & strengths

1,150 W power, 60-minute timer, non-stick basket and compact design.

Best for: Buyers with high quality expectations
Cosori Premium II Chef Edition

Cosori Premium II Chef Edition CAF-P651-KEUR

Why this product fits the profile: This model combines a 6.2-litre capacity with twelve one-touch functions and individually storable settings. It's ideal for households that regularly prepare a variety of dishes.

How this product avoids the pitfall

The manual temperature range of 75 to 205 °C complements the automatic programmes and reduces reliance on pre-set values.

Key benefits & strengths

6.2 litres, 1,700 W, twelve functions, dishwasher-safe basket and crisper plate according to the product details.

Best for: Special uses & heavy users
Ninja Dual Zone Digital Air Fryer

Ninja Dual Zone Digital Air Fryer DZ400EU, 9.5 Litres

Why this product fits the profile: Two independently controlled 4.75-litre drawers allow you to cook different foods with different settings at the same time. This is aimed at families and users with frequently changing menus.

How this product avoids the pitfall

The separate chambers prevent different foods from being mixed together in one basket or having to be cooked one after the other.

Key benefits & strengths

9.5 litres total volume, six functions and dishwasher-safe drawers according to the product details.

Best for: Families with limited worktop space
COSORI Air Fryer Turbo Tower Compact

COSORI Air Fryer Turbo Tower Compact, 8.6 Litres

Why this product fits the profile: The stacked baskets use height rather than the full width of your worktop. This can be helpful in small kitchens when cooking multiple portions.

How this product avoids the pitfall

The vertical design addresses the space issue common with many dual-basket machines. However, you should still check the height and clearance to wall cabinets before buying.

Key benefits & strengths

8.6 litres, two 4.3-litre baskets, five functions and dishwasher-safe baskets according to the product description.

Looking for more options?

We've put together a complete, regularly updated list of products that fully meet these strict selection criteria and the safety regulations in force in the EU.

Frequently Asked Questions About Air Fryers

How much space does an air fryer need?

In addition to the appliance's dimensions, the air intake and outlet need sufficient clearance. The specific requirements are stated in the instruction manual. The appliance should be placed on a level, heat-resistant surface and should not be operated under a wall cabinet where hot air and steam can rise.

What are the running costs?

The costs depend on the power, cooking time and electricity tariff. A simple guide is: power in kilowatts × operating time in hours × electricity price per kilowatt-hour. An appliance with 1,500 watts running for 20 minutes uses 0.5 kilowatt-hours in theory. Preheating, cooking time and actual power consumption can alter this figure.

How long does an air fryer last?

The lifespan depends on usage, cleaning, the coating and careful handling. Overfilling, metal utensils, abrasive cleaners and blocked ventilation openings can put extra strain on the components. Allow the appliance to cool down after use, clean the removable parts according to the manufacturer's instructions, and never replace damaged baskets or cables with unsuitable parts.