


WOODFIRED OVEN 3in1
INFERNO ALTO
Peak service by day. Low & slow by night.
The INFERNO® ALTO gives chefs unmatched 3-in-1 line versatility, grilling, roasting, and baking simultaneously to conquer peak tickets. Then, lock down the airflow for overnight hot smoking that works while your team sleeps.
One footprint. Zero wasted hours. Maximum flavor.
Power • Efficiency • Flavor | The Smarter Way to Cook with Fire
- Capacity
- 115–130 diners
- Width
- 627 mm
- Weight
- 250 kg
- Fuel
- Restaurant-grade charcoal or wood
Designed and manufactured in South Africa
Overview
- What it is
- The INFERNO® ALTO 3in1 WOODFIRED OVEN is the most versatile woodfired oven built to handle the demands of commercial kitchens, game lodges, and hotels.
- It combines the deep flavor profile of live-fire cooking with the speed, safety, and fuel economy of an enclosed, fully insulated unit.
- Who it suits
- It suits most restaurants, hotels and game lodges.
- Why this size
- The INFERNO ALTO features a side-opening door that provides chefs with direct, effortless access to the grids. As the tallest oven in the range, the ALTO operates at three distinct temperature zones simultaneously. This allows chefs to grill, roast, and slow-cook or bake all at once across up to five comfortably spaced grids.
- Grilling (Direct Radiant Heat):
- High heat from the glowing charcoal bed below sears meats, creating intense Maillard reaction crusts instantly without drying out the interior.
- Roasting (Convection & Radiated Heat):
- Heavy insulation and high-grade alloy walls trap surrounding heat, baking and roasting proteins or vegetables uniformly from all sides.
- Smoking (Hot Smoking/Flavoring):
- Controlled air dampers trap natural wood and charcoal smoke inside the sealed chamber, infusing intense wood-fired flavor into foods during high-speed cooks.

Key benefits
Why the Alto
Using a combination of charcoal and wood delivers the best balance of temperature stability and flavor control.
Charcoal (Base Heat):
Burn restaurant-grade lump charcoal or briquettes to build a reliable, long-lasting ember bed. Charcoal maintains the steady baseline heat required to hold temperatures near 250° - 350°C throughout service while keeping fuel consumption within the 4 to 6 kg daily average.
Wood (Flavor & Boost):
Add small logs or hardwood chunks (such as oak, hickory, or fruitwood) directly on top of the coals. Wood provides immediate high-heat spikes and releases the essential aromatic smoke needed for authentic roasting and smoking.
Maximum Output, Minimal Overhead
- Cut Fuel Costs by Up to 90%: Drastically lower operating expenses compared to standard commercial gas grills.
- 60% Faster Service Times: High thermal retention cooks orders significantly faster, keeping kitchen turnover high.
- 30% More Fuel-Efficient: Fully insulated chamber uses up to 30% less solid fuel than competing charcoal ovens.
- Rapid Payback: Full return on investment (ROI) within 8 months in standard commercial kitchen operations
The Inferno Alto 3-in-1 wood-fired oven operates across an overall chamber range of 100°C to 450°C (with a target cooking baseline around 250°C to 300°C), regulated via its built-in airflow regulation.
Technical specifications
The figures
- Diner capacity
- 115–130 diners a service
- Width
- 627 mm
- Depth
- 552 mm
- Height
- 1335 mm, to the top of the exhaust cowl, without stand
- Weight
- 250 kg
- Fuel
- Restaurant-grade charcoal or wood
- Rod grid
- 440 × 492 mm
- Capacity per service
- 120 kg
- Working temperature
- 100–450 °C (cooking baseline 250–300 °C)
- Average daily charcoal use
- 4–6 kg
- Supplied with
- Firebreak, exhaust cowl, two rod grids, ash drawer and tongs
- Warranty
- 12-month limited warranty
Capacity, dimensions, weight, fuel and working temperature are confirmed by Inferno. The height is measured as the manual’s data sheet draws it: to the top of the exhaust cowl, without the stand. Grid size, capacity per service, charcoal use, supplied parts and the warranty are from the Installation & Operating Manual.
The full Installation & Operating Manual is available from Inferno on request.
Request the manualDimensions
Footprint and height
- Width
- 627 mm
- Depth
- 552 mm
- Height
- 1335 mm, to the top of the exhaust cowl, without stand
- Manual data sheet, oven body to the top of the exhaust cowl, without stand
- 1334.61 mm

The core range
Compare the core ovens
Capacity and width as confirmed by Inferno, across the four core models.

3in1 WOOD-FIRED OVEN
Inferno Alto
115–130 diners627 mm wide
Current model: Inferno Alto

Charcoal oven
Inferno 700
85–100 diners707 mm wide
View Inferno 700
Charcoal oven
Inferno 900
130–160 diners922 mm wide
View Inferno 900
Charcoal oven
Inferno 1200
160–200 diners1234 mm wide
View Inferno 1200
Next step
The art of fire. Engineered to perform.
World-class commercial charcoal ovens, proudly designed and manufactured in South Africa.