Thermorossi KLARETTA EVO 7.8 kW Wood-Burning Cooker with Oven – 5 Stars

The Thermorossi KLARETTA EVO is a wood-burning cooker with oven manufactured from steel and cast iron, combining room heating and traditional wood-fired cooking.

Its nominal heat output is 7.8 kW, while firebox heat input is 9.1 kW. Maximum efficiency reaches 86%. The cooker has an A+ energy class and 5-Star environmental certification.

Thermorossi specifies an indicative heated area of up to approximately 70 m².

Why choose the Thermorossi KLARETTA EVO?

• 7.8 kW nominal heat output.
• 9.1 kW firebox heat input.
• Maximum efficiency 86%.
• Indicative heated area up to 70 m².
• A+ energy class.
• 5-Star environmental certification.
• 27-litre panoramic enamelled oven.
• Polished cast-iron cooking plate.
• Cast-iron combustion chamber.
• Special stainless-steel heat exchanger.
• Primary, secondary and tertiary combustion-air control.
• Top or rear Ø130 mm flue outlet.
• Optional external combustion-air connection.
• Warming compartment.
• Tool and wood storage compartment.

Technical specifications

*Thermorossi specifies an indicative heated area of 70 m². Actual heating performance depends on insulation, climate zone, ceiling height, exposure and building heat losses.

27-litre panoramic oven

KLARETTA EVO features a 27-litre panoramic enamelled oven measuring 300 × 250 × 330 mm and equipped with a thermometer.

Polished cast-iron cooking plate

The upper cooking surface is made from polished cast iron and includes two sets of cast-iron cooking rings.

Cast-iron combustion chamber

The combustion chamber measures 360 × 240 × 360 mm and is manufactured from cast iron.

Stainless-steel heat exchanger and combustion control

A special stainless-steel heat exchanger is integrated into the cooker, together with controls for primary, secondary and tertiary combustion air.

How much space can KLARETTA EVO heat?

Thermorossi specifies a nominal heat output of 7.8 kW and an indicative heated area of up to approximately 70 m².

Top or rear Ø130 mm flue outlet

The Ø130 mm flue outlet is available in top or rear configuration.

Official Thermorossi video

Watch the official Thermorossi video for a closer look at the design, integrated oven, cooking plate and main construction features of KLARETTA EVO.

5-Star environmental certification

KLARETTA EVO carries an A+ energy class and Italian 5-Star environmental certification. Thermorossi also provides Ecodesign, Energy Label, DoP 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.