Savings expert Martin Lewis has revealed that it may not necessarily be cheaper to use an air fryer for cooking instead of an oven or microwave.
Air fryers have been hugely popular recently as they offer a fast and effective way of preparing food, as well as promising that they're a more cost-friendly option.
However the Money Saving Expert has said that this might not always be the case and you may end up paying more by choosing an air fryer over other methods of cooking.
Manchester Evening News reports that Martin issued the advice on the latest episode of his podcast, saying: "The problem with the equation for heating equipment is an oven is going to be about 2000W.
"A microwave I believe, from memory, a best guess explanation, a microwave gives you consistent heat whereas an oven is warming up to full temperature and then topping it up so it isn't running at full power the whole time."
He continued: "But if you're doing a jacket potato for 10 minutes it's going to be far cheaper [in the microwave] than doing a single jacket potato in an oven and keeping it on for an hour and a half. However if you were doing a full roast dinner and you were cooking many of them, that is where it's probably cheaper than putting five or six jacket potatoes in a microwave because each additional object you put in a microwave, you need to keep it on longer because a microwave just heats the individual object.
"General equation is, find the wattage of an item, then work out how many kilowatts or what fraction of a kilowatt it's using, then multiply that by 34p per hour of use." The same advice can be applied to air fyers and halogen cookers.
Martin continued: "If you had a 1000W microwave and you put it on for 10 minutes, one KWH for a sixth of an hour, a sixth of 34p is about 6p, shall we say? So it's 6p turning the microwave on for that amount of time. So yes it's a very useful equation."
This comes as additional carried out by the consumer experts at Which? revealed the cheapest cooking appliance for popular meals. For most of the foods that were tested, the air fryer was found to be the cheapest as well as the fastest option.
Emily Seymour, Which? Energy Editor, said: "There has been a surge of interest in air fryers and smaller cooking appliances in recent months, and our research shows that the hype could be justified in some cases, as we’ve found these products cost less to cook certain foods than conventional ovens."
However the energy expert agreed with Martin's point on larger meals, stating: "The cost savings will soon be lost if you have to cook more than one batch though, so it’s still better to use your oven if you’re cooking large quantities."
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