Cozy Heat O Wood-Burning Sauna Stove

Product Overview

The Cozy Heat O combines authentic wood-fired sauna heating with a distinctive rounded stone-surround design. Its generous stone capacity is designed for abundant steam and steady radiant warmth.

Key Features

• Distinctive rounded O-series design surrounds the heater with stone for an inviting, high-mass sauna experience
• Generous stone capacity creates softer, fuller steam and helps hold heat between firings
• Cozy Heat-engineered combustion is designed to reduce wood use while producing cleaner exhaust
• Hand-crafted Estonian construction pairs traditional wood-fired heat with a modern architectural look

Specifications

Additional Technical Data

• Fuel: natural wood logs
• Flue connection diameter: 4.48" (114 mm)
• Minimum smoke-flue cross-section: 12.7 sq. in. (7,850 mm²)
• Minimum ventilation-opening cross-section: 16.5 sq. in. (10,200 mm²)
• Maximum firewood length: 13" (33 cm) for HEAT12; 15.7" (40 cm) for HEAT18

Minimum Safety Clearances to Combustible Materials

Sauna Stone Requirements

Sauna stones are required for operation and are not included. Approximate stone capacity for the O series is 200 lb for the 12 kW model and 290 lb for the 18 kW model; actual capacity depends on stone size. Use proper sauna stones and follow the manufacturer’s stone-placement instructions.

What's Included

Cozy Heat wood-burning sauna stove in the selected model, heater body and outer frame, 4.48" (114 mm) chimney connection pipe, upper cleaning hole/cleaning hatch, glass heater door, ash box, operating tool/safety cloth, installation and operation manual, and manufacturer's 24-month warranty. Sauna stones, complete chimney/flue system, floor/wall protection and installation accessories are not included unless specifically stated.

Installation Note

Install on a floor with adequate load-bearing capacity and provide required noncombustible floor/wall protection, ventilation and chimney connection. The stove is not suitable for connection to a shared flue. Required clearances may be reduced only where the manufacturer permits an approved protective wall or equivalent protection. Installation must comply with the Cozy Heat installation manual and applicable local codes; professional installation may be required.