The Thermorossi KLARA EVO is a steel and cast-iron wood-burning cooker featuring 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 flue outlet available at the top or rear.
TRUSTED EXPERIENCE SINCE 1913
Over 100 years of experience in hardware, tools and technical products.
PHYSICAL STORE & CUSTOMER SUPPORT
We also have a physical store in La Loggia (Turin): real people ready to help before and after your
Thermorossi KLARA EVO 12 kW Wood-Burning Cooker with 43 L Oven – 5 Stars
The Thermorossi KLARA EVO is a wood-burning cooker with oven designed to combine room heating, traditional stove-top cooking and the practicality of a large integrated oven.
Nominal heat output is 12 kW, with 13.8 kW firebox heat input and maximum efficiency of 87%. KLARA 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 KLARA 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.
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
KLARA 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 × 680 mm
Weight
203 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 H × W × D
300 × 320 × 430 mm
Cooking plate
Polished cast iron with cast-iron rings
Combustion chamber
Cast iron
Heat exchanger
Stainless steel
External cladding
Painted steel 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.
43-litre panoramic oven
KLARA EVO features a 43-litre panoramic enamelled oven measuring 300 × 320 × 430 mm and equipped with a 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 KLARA 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 KLARA EVO video
Watch the official Thermorossi video for a closer look at KLARA EVO, its large oven, cast-iron cooking plate and main construction features.
5-Star environmental certification
KLARA EVO has an A+ energy class and Italian 5-Star environmental certification. Thermorossi also provides Ecodesign, energy label 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.
The Thermorossi KLARETTA EVO is a steel and cast-iron wood-burning cooker featuring a 27-litre panoramic enamelled oven, polished cast-iron cooking plate and cast-iron combustion chamber. It delivers 7.8 kW nominal heat output, up to 86% efficiency, A+ energy class and 5-Star environmental certification. Thermorossi specifies an indicative heated area of...
The Thermorossi KLARISSA EVO is a wood-burning cooker featuring the patented PANEPIZZA® dual-oven system. The upper oven can reach approximately 400 °C, while the lower oven reaches approximately 350 °C; both feature a soapstone base and dedicated thermometer. The cooker delivers 7.8 kW nominal heat output, up to 86% efficiency, A+ energy class and 5-Star...
The Thermorossi MARGHERITA EVO is a wood-burning cooker with premium majolica and cast-iron cladding and patented PANEPIZZA® dual-oven technology. The upper oven reaches approximately 400 °C, while the lower oven reaches approximately 350 °C. It delivers 12 kW nominal heat output, 87% efficiency, A+ energy class and 5-Star environmental certification,...
The Thermorossi MARGOT EVO is a wood-burning cooker featuring the patented PANEPIZZA® dual-oven system. The upper oven reaches approximately 400 °C, while the lower oven reaches approximately 350 °C; both have soapstone bases and dedicated thermometers. The EVO6 version delivers 12 kW nominal heat output, up to 87% efficiency, A+ energy class and 5-Star...
The Thermorossi FILÒ EVO6 is a cast-iron wood-burning stove featuring the exclusive Thermorossi Scrigno system, integrating a concealed cast-iron cooking plate and oven function. It delivers 11.4 kW nominal heat output, up to 86% efficiency, A+ energy class and 5-Star environmental certification, with an indicative heated area of up to 103 m². The Smoke...
The Thermorossi MELISSA EVO STONE is a wood-burning cooker featuring the patented PANEPIZZA® dual-oven system. The upper oven reaches approximately 400 °C, while the lower oven reaches approximately 350 °C; both feature a soapstone base and dedicated thermometer. It delivers 7.8 kW nominal heat output, up to 86% efficiency, A+ energy class and 5-Star...
The Thermorossi KLARA EVO is a steel and cast-iron wood-burning cooker featuring 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...
The Thermorossi AGORÀ is a wood-burning stove featuring the exclusive Thermorossi Scrigno system, which conceals a cast-iron cooking plate and oven beneath the upper lid. It delivers 12.2 kW nominal heat output, maximum efficiency of 85.3%, A+ energy class and 5-Star environmental certification, with an indicative heated area of up to 110 m². The Smoke...
The Thermorossi KLARISSA EVO is a wood-burning cooker featuring the patented PANEPIZZA® dual-oven system. The upper oven can reach approximately 400 °C, while the lower oven reaches approximately 350 °C; both feature a soapstone base and dedicated thermometer. The cooker delivers 7.8 kW nominal heat output, up to 86% efficiency, A+ energy class and 5-Star...
The Thermorossi VIOLETTA EVO STONE is a wood-burning cooker with a 27-litre panoramic enamelled oven and premium soapstone and cast-iron cladding. It delivers 7.8 kW nominal heat output, up to 86% efficiency, A+ energy class and 5-Star environmental certification, with an indicative heated area of up to 70 m². It also features a polished cast-iron cooking...
Reviews can be placed by customers that purchased this product
The Thermorossi KLARA EVO is a steel and cast-iron wood-burning cooker featuring 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 flue outlet available at the top or rear.
