The Thermorossi VIOLA EVO is a wood-burning cooker with premium majolica and cast-iron cladding, a 43-litre panoramic enamelled oven, polished cast-iron cooking plate and cast-iron combustion chamber. It delivers 12 kW nominal heat output, up to 87% efficiency, A+ energy class and 5-Star environmental certification. Thermorossi specifies an indicative heated area of up to 108 m², with a Ø130 mm top or rear flue outlet
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Thermorossi VIOLA EVO 12 kW Majolica Wood-Burning Cooker with 43 L Oven – 5 Stars
The Thermorossi VIOLA EVO is a wood-burning cooker with oven combining high heating performance with premium majolica and cast-iron cladding.
Nominal heat output is 12 kW, with 13.8 kW firebox heat input and maximum efficiency of 87%. VIOLA EVO has an A+ energy class and 5-Star environmental certification.
Thermorossi specifies an indicative heated area of up to approximately 108 m². The cooker also features a 43-litre panoramic enamelled oven, polished cast-iron cooking plate, cast-iron combustion chamber and stainless-steel heat exchanger.
Why choose the Thermorossi VIOLA EVO?
12 kW nominal heat output.
13.8 kW firebox heat input.
Maximum efficiency 87%.
Indicative heated area up to 108 m².
A+ energy class.
5-Star environmental certification.
Premium majolica and cast-iron cladding.
43-litre panoramic enamelled oven.
Polished cast-iron cooking plate.
Cast-iron combustion chamber.
Stainless-steel heat exchanger.
Primary, secondary and tertiary combustion-air control.
Top or rear Ø130 mm flue outlet.
Optional external primary-air connection.
Food warming compartment.
Wood and tool storage compartment.
Technical specifications
Brand
Thermorossi
Model
VIOLA EVO
Product type
Wood-burning cooker with oven
Fuel
Wood
Firebox heat input
13.8 kW
Nominal heat output
12 kW
Radiant output
12 kW
Maximum efficiency
87%
Indicative heated area
Up to approx. 108 m²*
Energy class
A+
Environmental certification
5 Stars
Wood consumption
3.23 kg/h
CO emissions at 13% O₂
409 mg/m³
Particle emissions at 13% O₂
9 mg/m³
Dimensions H × W × D
913 × 910 × 678 mm
Weight
215 kg
Combustion chamber H × W × D
360 × 300 × 450 mm
Loading opening W × H
280 × 270 mm
Oven
Panoramic enamelled oven
Oven capacity
43 litres
Oven dimensions
300 × 320 × 430 mm
Cooking plate
Polished cast iron with cast-iron rings
Combustion chamber
Cast iron
Heat exchanger
Stainless steel
External cladding
Premium majolica and cast iron
Flue outlet
Ø130 mm
Flue position
Top or rear
Minimum draught
12 Pa
External primary air
Optional
*Thermorossi specifies an indicative heated area of 108 m². Actual heating performance depends on insulation, climate zone, ceiling height, exposure and building heat losses.
Premium majolica and cast-iron cladding
VIOLA EVO features high-quality majolica and cast-iron cladding, giving the cooker a more decorative and refined appearance.
43-litre panoramic oven
The cooker features a 43-litre panoramic enamelled oven with thermometer.
Polished cast-iron cooking plate
The upper cooking surface is manufactured from polished cast iron and includes traditional cast-iron cooking rings.
Cast-iron combustion chamber
The combustion chamber measures 360 × 300 × 450 mm and is manufactured from cast iron.
How much space can VIOLA EVO heat?
Thermorossi specifies a nominal heat output of 12 kW and an indicative heated area of up to approximately 108 m².
Top or rear Ø130 mm flue outlet
The Ø130 mm flue outlet is available in top or rear configuration.
Official Thermorossi VIOLA EVO video
Watch the official Thermorossi video for a closer look at VIOLA EVO, its majolica cladding, large panoramic oven and main construction features.
5-Star environmental certification
VIOLA EVO has an A+ energy class and Italian 5-Star environmental certification. Thermorossi also provides environmental, Ecodesign and incentive-related documentation.
International Shipping & Warranty
Product Specifications: All wood and pellet products in our catalog are official Italian versions and strictly comply with Italian technical standards and certifications. We cannot supply products configured for foreign market regulations.
Shipping: Our website automatically processes orders within Italy only. For shipping to EU or Non-EU countries, we provide quotes upon request via email. Alternatively, customers may arrange their own courier pickup (Ex-Works).
Warranty & Service: On-site warranty service is valid strictly within Italy. Local service centers outside Italy will not cover parallel-imported products. In case of documented manufacturing defects, warranty support is limited exclusively to supplying replacement parts from Italy (local labor and technician costs remain the buyer's responsibility).
Please check product compatibility with a local installer before purchasing. For any further information, please contact our customer service.
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