Sep 9, 2026
How to Choose the Right Pizza Oven: 14L vs 18L vs 20L
Compare DIAKING 14L, 18L and 20L pizza ovens by capacity, controls and cooking functions to find the right solution for your market.
Choosing the right pizza oven depends on more than capacity. Temperature range, control system, pizza size, cooking functions and target market all play an important role.
DIAKING offers 14L, 18L and 20L pizza oven solutions for different product positioning, from compact high-temperature pizza ovens to multi-function and larger-capacity models.
14L Pizza Oven – Compact and Focused
The 14L pizza oven is a compact solution designed for customers looking for a dedicated pizza cooking experience without taking up too much counter space.
Our D9027M features manual independent upper and lower heater controls, a maximum temperature of 400°C and 1800W rated power. It is suitable for pizzas up to 12 inches.
For brands and distributors looking for a compact, straightforward pizza oven, the 14L platform provides a practical starting point.
Key highlights:
• 14L capacity
• Up to 400°C
• 1800W rated power
• Independent upper and lower heater controls
• Suitable for 12-inch pizzas
18L Pizza Oven – Multi-Function Versatility
The 18L range is designed for customers who want more than a dedicated pizza oven.
D9023AB combines pizza cooking with multiple cooking functions, including air fry, giving brands the opportunity to position one appliance for several everyday cooking applications.
It features PCB digital controls, NTC temperature control, 2000W rated power and a maximum temperature of 400°C. The oven accommodates pizzas up to 12 inches.
For markets where multi-function appliances are popular, the 18L platform provides a balance between pizza performance and cooking versatility.
Key highlights:
• 18L capacity
• Up to 400°C
• 2000W rated power
• PCB digital control
• NTC temperature control
• Air-fry and multi-function cooking
• Suitable for 12-inch pizzas
20L Pizza Oven – Larger Capacity and Professional Positioning
For customers looking for a larger pizza oven with stronger product positioning, the 20L platform provides more cooking space and supports larger pizzas.
The D9022DG is a 20L digital pizza oven featuring high-temperature cooking up to 450°C, NTC temperature control, six preset programs, a rotating pizza stone and a glass door.
It accommodates pizzas up to 14.6 inches, making it suitable for brands looking to develop a larger and more premium pizza oven offering.
Key highlights:
• 20L capacity
• Up to 450°C
• Digital control
• NTC temperature control
• Six preset programs
• Rotating pizza stone
• Glass door
• Suitable for pizzas up to 14.6 inches
Which Pizza Oven Is Right for Your Market?
There is no single model that fits every market.
Choose the 14L range when compact size, straightforward pizza cooking and accessible product positioning are the priority.
Choose the 18L range when customers value multi-function cooking and air-fry capability in addition to pizza.
Choose the 20L range when larger pizza capacity, higher temperature and more premium features are important to your product strategy.
For importers, distributors and appliance brands, the final configuration can also depend on local market positioning, target retail price and required functions.
OEM / ODM Pizza Oven Solutions
DIAKING provides pizza oven manufacturing and OEM/ODM support for international brands, importers and distributors.
Different configurations and product options are available depending on the model and project requirements.
If you are developing a new pizza oven range for your market, contact us with your target specifications, functions and order requirements. Our team can recommend suitable models for your project.