Trying to Save Energy? Try an Air Fryer Instead of Your Big Oven

CNET

21-05-2025

I've got a ton of reasons to love my air fryer. It's fast, super convenient, and cranks out crispy, delicious food without much effort. Plus, unlike gas ovens, it doesn't mess with your indoor air quality. And the best part? You don't have to drop more than $100 or $150 to get a great one.
Lately, I've found yet another reason to be obsessed with the smaller, faster, countertop convection oven: it helps me save on energy -- and money.
Curious about how much you can actually save using an air fryer instead of a regular wall oven? I crunched some numbers. Turns out, air fryers use about half the energy as a wall oven. And that's not even counting the fact that they cook food faster and don't need much (if any) preheating.
Here's a look at how I came up with those numbers and what kind of savings you might see by swapping your oven for the air fryer.
Cost of oven versus air fryer
Gas oven Electric oven Air fryer Cost per hour of cooking 40 cents 52 cents 25 cents
How much energy does an air fryer use?
The exact savings will be different for everyone since energy prices vary depending on where you live in the U.S. Plus, ovens aren't all the same—newer ones are usually more efficient and use less gas or electricity. For this little breakdown, we're going to use some averages and rough estimates to get an idea of how much you could save by choosing the air fryer over the oven. And honestly, cutting energy costs is just one of many reasons we think air fryers are totally worth it.
So how did we get these numbers? The easiest way to figure out how much an air fryer might save you versus a big oven was to calculate the wattage pulled per hour versus how much an electric stove would use. The same goes for a gas oven, although for that you need to figure out the amount of natural gas used for a stove as well as the cost of natural gas in your state.
Don't worry. We did the hard part.
How much energy do wall ovens use?
Ovens have become more energy efficient but they still can't hold a candle to air fryers.
Samsung
Depending on what type of oven you have, gas or electric, operating costs will vary since natural gas prices and electricity costs vary rather dramatically by state and service provider. Both use a similar amount of energy and have somewhat similar upfront costs, if you own an older oven there's a good chance it's less energy-efficient than a newer model.
How much energy does a gas oven use?
Natural gas-powered ovens are thought to cause health complications among children.
KitchenAid
To calculate the operating cost of your gas stove and oven, we take the energy rating of the oven in Btu and divide it by 100,000. Multiply the result by the cost per therm of natural gas in your state, which varies greatly, then multiply by the number of hours the oven is used. You should be able to find the energy rating of your oven online if you know the model name or number. It is likely somewhere on the unit itself. If you still have the owner's manual, you can find the energy rating there, measured in Btu.
To calculate the operating cost of an 18,000-Btu oven, you'll divide 18,000 by 100,000, giving you 0.18. We'll also need to find the average price per therm of natural gas in your state. This chart has the most recent prices via the US Energy Information Administration. Note that this chart is listed in dollars per thousand cubic feet, so you'll need to divide by 10. For instance, if the chart price is $23, you'll use $2.30 to calculate the cost.
Your wall oven, especially if it's an older model, is one of the bigger energy draws in the home.
Mary King
In New York where I live, the price is currently $2.20 per therm (about average for the US). Next, we'll multiply that price for a therm by the number you calculated in the last step (0.18 in this example) to get the operating cost per hour of using your gas oven.
For me, it would cost about 40 cents per hour to run an 18,000-Btu oven. If I were to run an oven for 1 hour per day, it would cost $146 per year. In some states (including Georgia, Florida and Ohio), natural gas is about 30% higher than the national average. In Hawaii, it's more than double.
How much energy does an electric oven use?
In New York, an electric oven costs about 50 cents an hour to run.
Chris Monroe/CNET
To determine electric stove consumption you'll calculate the wattage pulled per hour of cooking. Most electric ovens draw around 3,000 watts, depending on the temperature. Once you find the wattage of your oven via the appliance tag, owner's manual or an online product listing, multiply that by the number of hours you use the oven each day (we'll use 1 hour for this calculation), then divide by 1,000 watts to find the kilowatt-hours (kWh) of electricity used.
Next, find the average price per kWh of electricity in your state. For that, you can consult this chart that has the 2023 prices listed in cents per kWh. The prices for 2021 won't be released until December 2022, but if you do some web searching, you should be able to find the latest figures. Multiply that amount by the number you just calculated (3 kWh in this example) to determine your operating cost per day.
Working with New York's current electricity rate of 18 cents per kWh, a 3,000-watt oven would cost about 54 cents per hour when run at high heat. If I used my oven for roughly 1 hour per day for one year that would equal roughly $197 per year. This cost doesn't include energy used by the range and burners.
A standard 1,500-watt air fryer has both gas and electric ovens beat handily when it comes to energy efficiency.
Cosori
How much energy does an air fryer use?
Air fryers are electric appliances, so we can use the same methodology as above to find the operating cost. The wattage for air fryers varies and larger models will use more energy, but a standard 4-quart fryer such as this Ninja (our top-rated model) uses about 1,500 watts.
Considering that's exactly half the wattage pull of the average full-size oven from our stove calculation, we can project that the air fryer will use roughly half as much electricity to operate.
Using New York's electricity prices, we safely say a standard 4-quart air fryer will cost about 27 cents per hour to run. That's 50% more energy-efficient than the average full-size electric oven and about 35% more efficient than the average gas oven (calculated with New York state's average energy costs).
Ninja's 4-quart air fryer oven is one of the best we've tested.
CNET/Ninja
How much money can you save using an air fryer?
Cost of 300 hours of cooking with a gas oven on high heat: $153
Cost of 300 hours of cooking with an electric oven on high heat: $162
Cost of 150 hours of cooking with an air fryer: $40
These numbers are a rough estimate, of course. The numbers will vary based on your state's energy cost, how much cooking you do in a year, what temperature you're cooking at and the type and size of oven you're using.
That's only half of the equation. Air fryers are even more energy- and cost-efficient than these raw numbers illustrate.
Here's why…
Air fryers do the work of wall ovens in less time and using less energy.
David Watsky/CNET
Air fryers cook faster than big ovens
Because of the smaller cooking chamber and superconvection (intense fan blowing heat into food), air fryers generally cook foods much faster than your traditional gas or electric stove, often in about half the time it takes to make a similar recipe in a full oven.
Below are some examples of cooking times for air fryers versus stoves. The cooking website Taste of Home compiled a list of average air fryer cooking times for popular foods. We compared those with standard cooking times pulled from Food Network recipes for oven-baked or oven-roasted versions of those foods.
Cooking times: Air fryer versus oven Food Temperature Air fryer cooking time (mins) Oven cooking time with preheat (mins) Chicken thighs 400 F 20-25 40 Chicken wings 375 F 10-12 40 Chicken breast 375 F 23 30 Salmon 400 F 5-7 12-15 Brussels sprouts 350 F 15-18 40 Bacon 400 F 5-10 20 Cauliflower 400 F 10-12 20 French fries (from scratch) 400 F 10-20 40-45 French fries (frozen) 400 F 6-8 18-20
Air fryers don't need to preheat either
Don't forget most air fryers also don't require any preheating time, making them even more efficient. The average full-size oven takes at least 10 minutes to preheat but usually more like 12 to 15 minutes. Preheating requires as much (or more) energy as actual cooking. In the chart above, I added a modest 10 minutes to each of the oven cooking times to account for preheating.
If you consider that an air fryer does the work of an oven in half the time (even faster when you include preheat time), 300 hours of cooking in a standard oven in a year would likely take fewer than 150 hours when done in an air fryer.
Chicken wings made in an air fryer are extremely tasty and cook in half the time.
Brian Bennett/CNET
Easy Ways to Lower Your Utility Bills and Save Money Easy Ways to Lower Your Utility Bills and Save Money
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Easy Ways to Lower Your Utility Bills and Save Money
Before we get carried away…
An air fryer is not a pound-for-pound replacement for an oven. There are plenty of foods that you probably won't want to cook in an air fryer. Others just plain won't fit in a standard air fryer. Certain models are spacious enough to cook a whole chicken, but for larger roasts, a Thanksgiving turkey or that Sunday lasagna -- not to mention most baking projects -- your air fryer may not be the best option.
For someone who doesn't bake much or cook whole turkeys and racks of lamb on the regular, an air fryer can shoulder a whole lot of the cooking that your more expensive, less energy-efficient oven has been handling.
Don't throw your big oven away just yet. You'll still want it to cook that Sunday lasagna and a turkey on Thanksgiving.
mphillips007/E+/Getty Images
The best reason to use an air fryer isn't the savings
An air fryer won't cook everything better than your oven, but there are some air fryer foods that a big oven can't touch. Because air fryers cook so fast and at high temps, foods like chicken wings, french fries and most frozen apps will get crispy on the outside without drying out inside the way they might when stuck in the large oven for 30 or 40 minutes.
As mentioned, air fryers don't require any preheating time either. Most of the models I've used are also extremely simple to operate, safe even for children to use and easy to clean.
The Instant Pot air fryer lid turned out some excellent fried chicken in about 20 minutes. Can your big oven do that?
David Watsky/CNET
Bonus: Air fryers are cheap
You can pay in the hundreds for an air fryer but many of the best ones we tested are less than that. You can pick up our favorite air fryer, the Ninja 4-quart, for $100, or cheaper if you find it on sale. Our favorite budget air fryer, the Gourmia 4-quart, can be found for just $60.
If you're curious, Instant Pots and multicookers also use significantly less energy than an oven. If you have an Instant Pot but no air fryer, you can snag the Mealthy air-frying lid for $85 or the Instant Pot's lid attachment for Instant Pot's lid for $50.