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Why you’ll love it

RestaurantSupply.com is your trusted source for Alto Shaam electric combi ovens.

  • Authorized Alto Shaam dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Alto Shaam CTC20-20E electric combi ovens
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Alto Shaam CTC20-20E 44 Inch Electric Combi Oven with 20 Non-Tilt Rails

Alto Shaam  |  MFG #: CTC20-20E  |  Item #: 522790
Item: #522790

Technical details
Manufacturer Alto-Shaam
Model Number CTC20-20E
Manufacturer Part # CTC20-20E
Type Floor Model
Steam Type Boilerless
Control Type Programmable Controls
Height 79.25"
Width 43.75"
Depth 47"
Weight 1157 lbs
CE Yes
cULus Yes
UL EPH Classified Yes
IPX5 Yes

About this item

Product Details

The Alto Shaam CTC20-20E Combitherm® CT Classic™ Combi Oven/Steamer is a commercial-grade, electric, boiler-free combination oven designed for high-efficiency food preparation environments. Engineered for precision cooking, it features programmable controls, SafeVent™ steam venting, and innovative Combitherm® technology enabling seamless switching between steam, convection, and combi modes. With a robust stainless steel construction, this floor model incorporates 20 non-tilt support rails capable of accommodating (20) full-size sheet pans (18" x 26") or (20) 2/1 GN pans, providing a capacity suitable for medium-volume foodservice operations. Its compact yet durable design addresses complex kitchen workflows, enabling consistent results with minimal maintenance. This model is ideal for restaurants, institutional kitchens, and catering services seeking versatile, reliable convection and steam cooking in a space-efficient footprint.

Top Alto Shaam CTC20-20E Features

The Alto Shaam CTC20-20E combi oven offers flexible cooking modes with advanced programmable controls, ensuring consistent results across different food items. Its boilerless design simplifies maintenance, while high-grade stainless steel enhances durability. The unit’s integrated safety features, including SafeVent™, facilitate easy operation, and its capacity supports mounting up to 20 sheet pans or GN pans, streamlining large batch preparation. Designed for high-demand kitchens, it optimizes workflow efficiency and ensures precise temperature control in a compact form factor.

  • Versatile cooking modes — switch between steam, convection, and combi
  • Durable stainless steel construction — resistant to corrosion and wear
  • User-friendly programmable controls for consistent results
  • Large capacity with 20 support rails for sheet or GN pans
  • Boilerless, low-maintenance design simplifies cleaning and upkeep

Suitable for medium-volume foodservice operations requiring flexible, reliable, and efficient cooking performance

Alto Shaam CTC20-20E Technical Specs

The Alto Shaam CTC20-20E combines a sophisticated suite of technical features tailored for professional kitchens. It operates on standard electrical requirements of 240V, 60Hz, single-phase, with an amperage of roughly 30A and wattage of approximately 7,200W. Its self-contained, air-cooled system ensures efficient operation without external refrigeration or water hookup. The unit supports a production capacity of up to 150-200 lbs of food per 24 hours, depending on menu complexity. Its construction employs high-grade stainless steel for durability, and it measures 43.75" wide by 47" deep and 79.25" high, weighing 1,157 lbs. The combi oven features CE, cULus, UL EPH, and IPX5 ratings for safety and environmental resilience. The design facilitates easy cleaning, with accessible panels and integrated cleaning cycles, and its operating temperature range extends up to 250°F (121°C). Its versatile control system and compatibility with multiple pans and racks make it suitable for diverse foodservice applications from cafes to institutional kitchens.

  • Electrical Requirements: 240V, 60Hz, single-phase, approximately 30A, 7,200W
  • Cooling Method: Air-cooled, integrated ventilation system
  • Production Capacity: Up to 200 lbs of food per 24 hours
  • Construction & Finish: Heavy-duty stainless steel exterior for commercial durability
  • Dimensions: 43.75" W x 47" D x 79.25" H, weight 1,157 lbs
  • Temperature Range: Up to 250°F (121°C), suitable for intensive cooking cycles
  • Cleaning & Maintenance: Self-cleaning cycle, accessible panels for routine maintenance
  • Usage Compatibility: Supports (20) sheet pans, GN pans, or hotel pans for flexible operation
  • Safety & Compliance: CE, cULus, UL EPH classified, rated for IPX5 ingress protection
  • Electrical compatibility: Suitable for standard 240V circuits, flexible installation
  • Space requirements: Clearance in accordance with airflow and ventilation needs
  • Ventilation setup: Integrated SafeVent™ system ensures safe steam venting
  • Cleaning protocol: Disassembly for maintenance, supported by Combitherm® cleaning features
  • Capacity management: Supports up to (20) 18" x 26" sheet pans efficiently

What is a commercial combi oven?

A commercial combi oven is a versatile cooking appliance designed to combine steam, convection, and combination modes in a single unit, optimized for high-volume food production in professional kitchens. The Alto Shaam CTC20-20E combines advanced programmable controls with boilerless steam technology, allowing precise temperature adjustments and multi-mode cooking, making it suitable for institutions, restaurants, and catering operations. Installed in production environments, it supports multiple pan formats such as sheet pans and GN pans and is ideal for applications requiring rapid, consistent, and energy-efficient cooking processes, especially in medium-volume foodservice settings.

Top commercial combi ovens for high-volume foodservice

Designed for medium-volume kitchens, the Alto Shaam CTC20-20E offers reliable, multifunctional cooking with a durable stainless steel build and advanced control system. This combination oven is suitable for institutional, restaurant, and catering applications, providing consistent performance in demanding environments. The model’s boilerless design supports efficient operation and minimal maintenance, making it a key component for operational excellence in professional foodservice settings.

  • Operation Type — medium-volume restaurant kitchens
  • Kitchen Type — compact commercial spaces
  • Foodservice Category— institutional dining and catering
  • Workload Qualifier — moderate throughput for daily food prep
  • Use Case — multi-mode cooking for diverse menu items

Why Choose Alto Shaam CTC20-20E

Why choose the Alto Shaam CTC20-20E combi oven over similar models? Its combination of a boilerless, self-contained design with programmable controls ensures reliable, consistent processing, reducing maintenance downtime. The robust stainless steel construction guarantees long-term durability, while its optimized space footprint allows for high-capacity batch cooking. Its safety features, combined with advanced venting and cleaning technology, make it a practical choice for professional kitchens seeking performance and operational efficiency.

  • Self-contained design reduces external venting requirements
  • Stainless steel build enhances longevity in busy environments
  • Large capacity fit for busy mid-volume operations
  • Advanced programmable controls streamline operation
  • Compact footprint maximizes kitchen space utilization

Certifications

UL EPH Classified logo

UL EPH Classified

This item meets or exceeds ANSI/NSF requirements and complies with United Laboratories (UL) EPH standards.

CE Listed logo

CE Listed

The item has been tested by the Conformité Européenne (CE) for sanitation hazard standards and meets or exceeds expectations.

UL US & Canada logo

UL US & Canada

The item has been tested by Underwriters Laboratories (UL) for sanitation hazard standards and meets or exceeds expectations. The item can be used in the United States and Canada.

Certifications

IPX5 logo

IPX5

This product is IPX5 rated, making it resistant to low-pressure water jets from all directions.

Customer reviews

Alto Shaam CTC20-20E Combitherm® CT Classic™ Combi Oven/Steamer Electric Boiler-free
Alto-Shaam

Alto Shaam CTC20-20E 44 Inch Electric Combi Oven with 20 Non-Tilt Rails

$37,274.82 $56,477.00

Alto-Shaam, CTC20-20E, Combitherm® CT Classic™ Combi Oven/Steamer, electric, boiler-free, floor model with roll-in cart, (20) non-tilt support rails, (20) 18" x 26" full size sheet, (20) 2/1 GN pans, or (40) 12" x 20" full size hotel pan (1/1 GN) capacity, classic control with steam/convection/combi cooking modes, SafeVent™ steam venting, CombiClean™ with (1) cleaning level, CoolTouch3™ glass window, door hinged right, high efficiency LED lighting, stainless steel construction, seismic legs, EcoSmart®, cULus, UL EPH Classified, CE, IPX5, EAC