Karhu 22 Wood Burning heater

The Kastor Karhu 22 Wood Burning Sauna Heater takes traditional sauna experiences to the next level, delivering powerful natural heat, beautifully soft steam, and the unmistakable atmosphere only a wood-fired sauna can offer.

Designed for larger sauna rooms measuring 8–20 m³, the Karhu 22 features a generous stone compartment that produces soothing, enveloping steam and stable, long-lasting heat. Its intelligent combustion system is engineered to extract maximum heat from minimal wood, ensuring efficient performance without compromising the authenticity of a real flame sauna.

With its elegant lines and chrome front panel, the Karhu becomes a striking feature within any sauna, enhancing both traditional and modern sauna interiors.

The Kastor Karhu 22 is an ideal choice for outdoor saunas and classic sauna builds where atmosphere, performance, and craftsmanship are essential.

Flue and exhaust system not included. Sauna stones sold separately.

Key Features

• Traditional wood-burning sauna heater
• Suitable for sauna rooms 8–20 m³
• Designed to deliver soft, soothing steam
• Intelligent combustion system for high heat efficiency
• Handsome design with chrome front panel
• Creates authentic sauna ambience and natural warmth
• Ideal for outdoor and traditional sauna installations

Specifications

• Model: Kastor Karhu 22
• Weight: 61 kg
• Dimensions: 45 × 49 × 79 cm
• Installation: Floor standing
• Heating type: Wood burning
• Stone capacity: 40 kg (sold separately)
• Recommended room size: 8–20 m³
• Power: Not applicable

All installation must be carried out in accordance with the Manufacturer’s Installation Manual and all local building and fire regulations. Professional installation is strongly recommended.