Why are air fryers all of a sudden so hard to come by? They seem to be selling out everywhere, with big brands Ninja, Philips and Gourmia now as rare as gold dust. This time-saving kitchen gadget only entered the market a decade ago. They caught on fairly quickly and saw a surge of interest during lockdown, when influencers on Instagram, YouTube and TikTok showed how they could reduce the amount of oil used in cooking.

That persuaded health-conscious 20-somethings that they were worth a look. But now there’s a second, even bigger boom in air fryer popularity and this time it’s not just millennials but parents and grandparents. This time, the killer app is money-saving while still achieving crispy food with a fried finish and less oil used in the process.

To find out exactly how air frying cuts your energy bills, and for our reviews in full, see below . We’ve also included how much each costs to run per hour under to the current energy price cap. If you already know how air fryers save you money, here’s a quick look at our top five: Which are the best air fryers in 2024? At a glance Best overall air fryer – Tefal ActiFry Air Fryer Best value air fryer – Tower T17023 Air Fryer Best Ninja air fryer - Ninja AF100UK Best air fryer for cooking meat – Ninja Foodi MAX PRO Health Grill, Flat Plate & Air Fryer Best air fryer for family-size meals – Philips Essential Air Fryer Why you can trust Telegraph Recommended Our thorough, real-world tests will always help you fin.