I started tracking my air fryer annual energy bill a while back, mostly out of curiosity about where my electricity money actually goes. The air fryer turned out to be one of the biggest surprises: cheap to run, but only if you understand how it works. Here’s everything I found, broken down the way I wish someone had explained it to me first.
Air Fryer Annual Energy Bill
Air fryers don’t drain power the way people assume. Most models need somewhere between 800W and 1800W to run, and only the biggest models ask for more. As a rule of thumb, a bigger appliance or a larger appliance always pulls more watts, so checking the size and wattage label before you buy pays off.
Compare that to electric ovens, which typically sit between 2200W and 5000W, and you’ll see why an air fryer uses less electricity and stays energy efficient. The oven simply needs more electricity to heat its bigger cavity, which means it will cost more every time you switch it on.
How Energy Efficient Are Air Fryers
My air fryer earns its keep because of its short cooking times. I bought a 1500W model two years ago, and I still track every cooking time I run through it. Data from USwitch shows a UK household spends about 17p on a 30-minute cycle, and my own bills back that number up.
The electricity rate matters less than your machine’s wattage and how fast it works. My air fryer’s energy efficiency comes from its small size; the chamber holds less air, so it takes less time to reach a higher temperature.
That super convection pushes hot air around a large volume of space inside a tiny capacity, usually somewhere between 2l and 6l, while a full-size oven needs 60l to 70l just to warm up.
Because the average capacity stays small, the average cooking time stays short too. Fish cooks in under 10 minutes, and baked potatoes need up to 45 minutes, though most meals sit inside a 10-minute to 25-minute cooking window.
That’s the real reason my kitchen moved most of its cooking duties away from the oven. An electrical appliance with small spaces to heat up simply uses less energy across longer periods of daily use, which is exactly why your air fryer annual energy bill stays so low.
Cost To Run An Air Fryer
Running the numbers is the best way to see whether an air fryer really is economical, and it’s the clearest way to estimate your own air fryer annual energy bill. Under the July 2026 electricity price cap of 26.11p per kWh, a small air fryer with 1 basket can cost as little as 21p, climbing to 34p, 37p, or 42p depending on whether it draws 1.3 kWh, 1.4 kWh, or 1.6 kWh. A larger air fryer with 2 baskets costs 47p at 1.8 kWh, 52p at 2.0 kWh, 65p at 2.5 kWh, or 73p at 2.8 kWh.
Buy a decent £150 unit rated around 2200W, and running it costs pennies per hour, so you’ll recover that cost fast given the savings above. I keep a spreadsheet of my own energy bills, and the pattern matches what USwitch reports: my 1500W machine costs roughly 17p every 30 minutes, while my old electric oven charged 85p for a full hour. That gap alone helped me break even on my air fryer within half a year.
The Expert Reviews survey found that nearly a third of UK air fryer owners saw a decrease in their bills, and many of those UK adults also reported fewer takeaway meals once they had the gadget on the counter.
Air Fryers vs. Ovens
Choosing between a compact air fryer and an oven isn’t only about pocket money; it also touches the environment. Cooking with less power means fewer harmful air pollutants, since a big share of UK electricity still leans on fossil fuels even though renewable sources like wind, solar, biomass, and hydropower supply 43% of the grid.
From my own kitchen trials, a compact air fryer is the better choice for quick meals built for 1-2 people, or 3-4 people if you own a bigger tray. It handles a single meal like chicken breast in 15-20 minutes, well under the 30+ minutes an oven usually needs, and every dish comes out thoroughly cooked.
An oven, though, still wins for a large group of people. A well-insulated oven can hold heat and switch off for longer periods, which helps when you’re cooking multiple dishes or bigger meals such as roasts.
Appliance Running Costs Breakdown
Looking purely at the numbers, an electric oven running at 2-5 kWh costs £104.44–£261.10 a year, while a gas oven at 1.3-1.7 kWh only costs £19.06–£24.92, at rates of 10-12p and 7.33p/kWh.
A compact air fryer, by comparison, sits at 0.8-2 kWh and 21-52p, working out to roughly £41.78 a year, and a large air fryer at 1.8-2.8 kWh costs 47-73p, or about £94–£146.22. Every figure above uses the July 2026 price cap, set at 26.11p/kWh for electric ovens and worked out over 200 hours of cooking a year a good reference point if you’re building your own air fryer annual energy bill estimate.
Why Air Fryers Beat Electric Ovens
There’s a gas oven cheaper angle to consider, but for most homes an air fryer beats an electric oven for three main reasons: it needs less electricity usage, it runs at a slightly lower temperature, and it manages faster cooking times.
The heat convection technology inside works through smaller compartments, so food gets cooked quicker and overall cooking times overall, letting you reduce temperatures by 10-20°C and reduce cooking times when following recipes.
To maximise savings and enjoy better-cooked food, only preheat when the recipe truly needs it; some meals skip that step in 10-15 minutes, and smaller fish fingers or chips don’t need it at all. I always cook entire meals together, mixing different temperatures carefully, and I pay attention to circulation so the hot air circulates freely and helps me cook efficiently.
Maintenance and Smart Usage Habits
Bigger households sometimes reach for larger models with more capacity, but the rule stays simple: switch off the machine the moment cooking finishes to stop it running on standby.
An energy-efficient habit, such as checking food after 33 minutes rather than guessing, saves real money over a year, and if you clean regularly, the machine won’t waste power fighting through grease and helps you reach the desired temperature faster next time and maximise efficiency across the kitchen.
Simple Tips To Cut Energy Use
Cutting bills further just takes a few smart habits, and each one chips away at your air fryer annual energy bill over time. Start by choosing energy-efficient appliances; swapping a G-rated model for an A-rated one can save hundreds over its lifetime. Run washing machines and dishwashers only with full loads, switch to eco modes, and switch off at the plug instead of leaving gadgets on standby; even kettles work better when you boil only the water needed.
For cooking, reach for the microwave or air fryer to handle smaller meals rather than heating the whole oven, and this alone helps maximise efficiency in the kitchen. Swap old bulbs for LED bulbs, since they use 80% less energy, and keep your fridge between 3-5°C and freezers at -18°C for optimal efficiency.
On the tech side, laptops use 85% less power than desktop PCs, and tablets cost as little as £2 a year to run, while smaller TV screens sip far less power than large ones. In colder months, electric blankets give personal warmth without heating full rooms, and it’s smarter to skip portable heaters and fans whenever you can batch cook instead of running the oven twice.
FAQs
Does an air fryer use up a lot of electricity?
No most air fryers use only 800W to 1,800W, far less electricity than an electric oven, so daily use stays cheap.
Is it cheaper to run an air fryer or an oven?
An air fryer is usually cheaper to run than an electric oven, though a gas oven can still beat it on price for big quantities.
How much does it cost to run an air fryer for 1 hour?
A typical 1,500W air fryer costs around 51p per hour, well below the 85p per hour an electric oven charges.
What did Martin Lewis say about using air fryers?
He warned that a more powerful air fryer could use “near enough the same energy as an oven,” and advised checking wattage before assuming it’s always the cheaper choice cooking a full roast dinner in bulk is often better left to the oven.
What is the downside of air fryers?
Its small capacity makes it a poor fit for cooking multiple dishes or feeding a large group of people in one go a real drawback if you’re used to a full Sunday roast.