convotherm and rational

Convotherm vs. Rational: Which Combi Oven Is Better?

Combi ovens combine convection heat and steam in one unit, enabling cooking with dry heat, moisture, or both at the same time. Convotherm and Rational combi ovens are similar in their ability to deliver consistent results, maximize efficiency, and handle a range of cooking applications in commercial operations.

Convotherm vs. Rational

Category Convotherm Rational
Overview Offers versatile, all-in-one cooking with reliable performance and simple controls Delivers advanced, automated cooking with precise control for consistent, quality results
Typical Price Range $$$ $$$$
Strengths Space-saving disappearing door, touchscreens, automated cleaning Precise humidity and temperature control, automated cleaning, intelligent cooking paths
Considerations High initial cost, moderate to steep learning curve for staff, specialized maintenance High upfront cost, proprietary cleaning agents for automated cleaning system, requires three-phase power
Best For High-volume, versatile kitchens, such as restaurants, hotels, and ghost kitchens; features a mini-series of combi ovens for smaller spaces Fast-paced kitchens, such as hospitals, restaurants, and catering services; offers compact models for small-volume operations

About Convotherm

Founded in Germany in 1976, Convotherm produces high-performance combi ovens. The brand, known for its commitment to sustainability with ENERGY STAR-certified products and award-winning design and technology, sells its ovens in more than 100 countries.

Key Strengths:

  • Advanced features, such as ConvoSense, detect food and automatically select the correct cooking program
  • Compact, stackable designs
  • Precise steam and air control

About Rational

Rational was founded in 1973 in Germany. Initially manufacturing hot air appliances, it introduced a combi steamer in 1976. The brand now primarily produces combi ovens, with a smaller portion of its product line focused on multifunctional cooking systems.

Key Strengths:

  • Intelligent cooking technology such as smart sensors
  • Efficiency and productivity focused with automated cleaning and quick cooking
  • Versatile enough for baking, roasting, grilling, and steaming

Key Differences Explained

Performance and Reliability

Convotherm combi ovens use an advanced closed system that ensures optimal heat transfer and moisture control. Select Convotherm models offer five levels of humidity and moisture control. Convotherm ovens are constructed with durable components designed for consistent, long-term performance. Rational combi ovens feature sensors to adjust humidity and temperature in real time, delivering consistent quality. Able to bake, roast, steam, and finish, these ovens support continuous, high-volume use and can replace multiple pieces of cooking equipment.

Design and Ease of Use

Convotherm combi ovens, part of the Welbilt brand, combine German engineering with user-friendly controls to improve efficiency in high-volume operations. Their durable stainless steel construction, versatile cooking modes, and space-saving design improve workflows and maintain consistent performance. Rational ovens feature a streamlined design with touchscreen controls that simplify operation in busy kitchens. While these systems can require a learning curve due to advanced, computer-driven controls and a wide range of automated functions, users may need time to adjust from traditional ovens and fully utilize features like custom programming. Once learned, cooking programs and precise temperature and humidity management reduce manual adjustments and maintain consistency.

Maintenance and Durability

The Convoclean system enables automatic cleaning and descaling, including overnight cycles. To maintain the unit, wipe down the exterior with a damp cloth and mild dish soap and descale as needed based on water hardness. The stainless steel ovens can last more than 15 years. Clean Rational combi ovens daily by wiping them down with a soft cloth and mild detergent and removing any food debris from the interior. These durable appliances often last more than 15 years with proper maintenance, and some models feature automatic cleaning systems.

Price and Value

Convotherm ovens' value comes from quality construction, reliability, and advanced technology. Designed for consistent performance, they improve efficiency. Rational combi ovens provide value through precision, consistency, and multi-functionality. Technology, such as the iCombi Pro's® four intelligent assistants, streamline cooking in fast-paced operations.

Which Combi Oven Brand Is Right For You?

Scenario Best Choice Why
High-Volume Operations Either Choose the best oven to suit your operation
Small or Startup Business Either Convotherm and Rational combine multiple cooking functions into one space-saving unit
Budget-Conscious Operations Convotherm Typically offers a lower upfront cost while still delivering reliable performance
Precision Cooking and Automation Rational Advanced cooking intelligence ensures consistent results with reduced manual labor

Shop Convotherm & Rational at KaTom

Convotherm and Rational both offer quality, high-performing combi ovens. Shop KaTom to find a variety of combi ovens to fit your operation's needs.