Buying Guides10 min read

How to Choose a Commercial Convection Oven

Last updated: January 2025

Choosing a commercial convection oven is one of the most consequential equipment decisions for any kitchen. It will run thousands of hours per year, determine production capacity for your core menu, and represent a significant capital investment. The right oven for a high-volume scratch kitchen is not the same as for a hotel breakfast buffet or a ghost kitchen operation.

Gas vs. Electric: The First Decision

Gas Ovens

Better for: baking-focused operations (bread, pastries), high-volume roasting. Gas heat is more humid (from combustion byproducts), which can benefit certain baked goods. Lower operating cost in many markets.

Brands to consider: Garland, Southbend, Vulcan, Rational (Combi gas)

Electric Ovens

Better for: precise temperature control, even baking, operations in areas with expensive gas. Electric elements provide more consistent dry heat, preferred for most roasting and baking applications. Easier to install in many jurisdictions.

Brands to consider: Rational (electric Combi), Blodgett, Baxter, Alto-Shaam

Deck Oven vs. Convection vs. Combi

Deck Oven

Best for: Artisan breads, pizzas, high-end baking. Stone-deck contact produces exceptional crust formation.

Trade-offs: Slow recovery, limited capacity, not versatile. Not suitable for general餐厅 cooking.

Convection Oven

Best for: General-purpose roasting, baking, re-thermal. High volume batch cooking. Consistent results across multiple racks.

Trade-offs: Dries out products that need humidity. Requires blower for delicate items.

Combi Oven

Best for: Maximum versatility: steam, convection, and combination cooking in one unit. Rational, Lainox, Convotherm are the premium tier.

Trade-offs: High initial cost ($8K–$30K). Requires more maintenance and operator training.

Size and Capacity

Convection ovens are measured in pan capacity: half-size (10 pans), full-size (20 pans), and double-stacked. Think about your production volume during peak service — how many pans of product do you need to produce in a 30-minute window?

Standard Full-Size Convection Oven Specs

Pan capacity18–20 full-size sheet pans
Deck height6 racks, 1.625" spacing
BTU (gas) / KW (electric)32,000–50,000 BTU / 10–20 KW
Typical clear height26–30 inches interior

Key Features to Prioritize

  • Porcelain-enameled interior — easier to clean, resists corrosion, standard on quality ovens
  • Two-speed blower — slow for delicate baking, high for roasting and re-thermal
  • Electronic vs. mechanical controls — electronic give precise temp control and programmability; mechanical is more durable but less precise
  • warranty coverage — look for 3-year parts and labor minimum on premium brands
  • NSF certification — mandatory for commercial kitchen installation

Budget Range by Tier

Expect to pay accordingly for quality that lasts 10–15 years:

Economy (Blodgett, Southbend)$3,000–$6,000 per oven
Mid-range (Garland, Vulcan)$6,000–$10,000 per oven
Premium (Rational, Alto-Shaam)$12,000–$30,000+ per unit

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