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Outdoor wood stove with stone chimney in a garden setting
Wooden sauna with a stone wall and large windows overlooking trees
Black Cozy fireplace model Quattro with stacked stones on a white background
Black metal basket filled with gray stones on a white background, model 'Quattro'.
Black plastic container with stones labeled 'Model: Quattro' on a white background
Black fireplace with stacked stones on a white background, featuring the brand 'Cozy'.
Wood storage rack with chimney cover labeled 'Cozy Quattro - TW' on a white background
Wood-burning stove with stone holder on a white background
Black metal firewood storage rack with stacked stones on a white background
Stack of gray stones with metal shelves

Cozy Wood-Fired Heater Quattro

Sale price$2,690.00

From $40/week with approved financing View financing options

The Cozy Wood-Fired Heater Quattro is designed and built in Estonia to deliver a premium traditional sauna experience. With a large stone capacity of up to 160 kg, it produces soft, voluminous steam while retaining heat for extended periods. Fully off-grid and highly efficient, it uses significantly less firewood and generates cleaner emissions, making it ideal for remote and self-sufficient sauna installations.

Images may show digital renders or optional finishes. Natural timber variation will occur. Standard supply is natural timber.

Heaters are available in multiple configurations to suit different sauna layouts. We'll help you choose the right heater for your sauna with a complimentary consult.

Outdoor wood stove with stone chimney in a garden setting
Cozy Wood-Fired Heater Quattro Sale price$2,690.00
Close-up of a metallic surface with 'COZY' branding.
Stack of neatly arranged wooden logs against a neutral background

Efficient Wood Consumption

Uses Up to 25% Less Firewood

COZY heaters are engineered for efficient combustion, using up to 25% less firewood than traditional wood-burning sauna heaters. This allows you to heat your sauna using fewer logs while maintaining strong and consistent heating performance.

Cleaner Combustion

Up to Six Times Cleaner Emissions

The advanced combustion system produces dramatically cleaner smoke emissions with far fewer airborne ash particles. This results in a more environmentally responsible burn while helping keep your sauna and chimney cleaner over time.
Wood-burning stove with stone interior in a wooden sauna
Close-up of a metallic gear with geometric design

Advanced Airflow Design

Secondary Airflow for Maximum Heat Output

A precisely engineered secondary airflow system supports a longer and more controlled burn cycle. This technology extracts more usable heat from every log while maintaining stable combustion throughout the sauna session.
Stack of gray stones on a black metal shelf
Stacked stones in a fireplace with smoke rising against a forest background

Premium Steam Quality

Large Stone Capacity for Soft, Rich Steam

With space for up to 160 kg of sauna stones, COZY heaters produce soft, voluminous steam and excellent heat retention. The generous rock mass ensures smooth, evenly distributed heat for a deeply relaxing sauna experience.
Wooden cabin in a forest with a smokestack emitting smoke.
Wood-burning stove with flames inside, mounted on a stone wall.

Traditional Sauna Heating

Fully Off-Grid Wood-Fired Operation

COZY heaters operate entirely without electricity, delivering an authentic wood-fired sauna experience. This makes them ideal for remote cabins, off-grid locations, and traditional sauna installations.
INSTALLATION MANUAL

Specifications

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Speak directly with our team to confirm the right model for your space, usage, and installation requirements.

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