Aug 30, 2026
How to Choose the Right Pizza Oven: 14L vs 18L vs 20L
Compare DIAKING 14L, 18L and 20L pizza ovens by capacity, temperature, features and use case to pick the right model for your kitchen or business.
Three Questions Before You Choose
Choosing a pizza oven comes down to three questions: how many pizzas do you bake per session, how much counter space you have, and which cooking styles matter to your menu. DIAKING builds three sizes of high-temperature pizza ovens to match different kitchens and businesses.
14L - D9027M: Compact and Practical
The D9027M is a 14L manual high-temperature pizza oven reaching 400C, with independent upper and lower heater settings and a 30-minute timer. It fits 12-inch pizzas and suits home kitchens, small cafes and food trucks where space is tight.
18L - D9023AB / D9023AS: Pizza Plus Air FryThe 18L digital ovens (D9023AB black, D9023AS silver) add PCB digital control and air-fry capability. They reach 400C with NTC temperature control, hold 12-inch pizzas (9 slices), and offer pizza, grill, air fry, toast, bake and dehydrate functions in one appliance.## 20L - D9022DG: Professional OutputThe D9022DG is a 20L digital pizza oven with 450C high-temperature NTC control, six preset programs, a rotating pizza stone and a glass door. It fits 14.6-inch pizzas and delivers the output busy pizzerias need.## Which One Fits You?Start with your busiest hour: under 20 pizzas a day, the 14L D9027M is enough; for air-fry versatility choose the 18L; for volume and professional results go 20L. Contact us for wholesale pricing and OEM/ODM options.