A simple, old-school air fryer known for outlasting its digital peers. The Big Boss features a huge glass bowl and a halogen/infrared heating element in the lid – a design that's essentially a mini convection oven. Fewer electronic parts and a heat-resistant glass body mean there's less to break. In fact, one Redditor found a second-hand Big Boss and used it "3 times a week for 3 years," noting it "replaced the brand new air fryer I had… did the job so much better" (Reliable air fryers? : r/BuyItForLife). It's also easier to clean than basket-style fryers (no nonstick coating to peel (Reliable air fryers? : r/BuyItForLife)), so it maintains performance over time. If you have the counter space, the Big Boss offers rock-solid durability and can fry, bake, and roast for years on end.

A two-basket air fryer that combines convenience with Ninja's well-regarded build quality. The Dual Zone lets you cook two different foods at once and sync their finish times. Many owners report using it almost daily for years – one user has had the Ninja "for 3.5 years and we use it often" with "zero problems" (Reliable air fryers? : r/BuyItForLife) (Reliable air fryers? : r/BuyItForLife). Crucially, the nonstick frying baskets hold up if cared for: keep them out of the dishwasher and the coating remains intact (as one owner attests after years of hand-washing (Reliable air fryers? : r/BuyItForLife)). This machine feels solidly built, and Ninja's well-engineered heating system provides consistent cooking. For busy kitchens, the time saved and the unit's proven durability make it a BIFL favorite in the mid-price range.

A multi-functional air fryer oven that's built like a tank. The Breville Smart Oven Air Fryer Pro is essentially a high-end countertop convection oven with air fry capability. It earned top marks in expert tests for both air frying and baking, outperforming other toaster oven combos (The 8 Best Air Fryers, Tested & Reviewed). Breville's construction is notably sturdy – a stainless steel housing, powerful quartz heating elements, and smooth rack operation. While it's a larger investment, owners find it pays off in versatility and longevity. Many report using it daily for years as a replacement for their full oven. Breville appliances are known for quality, and this model is no exception: with proper care (cleaning crumb trays, etc.), it reliably delivers crispy fries, roasted veggies, and even holiday turkeys year after year (The 8 Best Air Fryers, Tested & Reviewed).

A commercial-grade air fryer oven for serious longevity. Cadco's half-size countertop convection ovens are used in restaurant kitchens – meaning they are engineered to run all day, every day. This electric oven can function as a large-capacity air fryer (essentially an extremely powerful convection oven). It features all-metal construction, heavy-duty fans, and manual knobs that withstand constant use. With a temperature range up to 500°F and 4-rack capacity, it can air-fry, bake, and roast in bulk. These units are expensive, but they're built to withstand thousands of hours of operation. (The MSRP for a Cadco half-size is about $2,250 ([Cadco OV-023 Electric Countertop Convection Oven