Product Overview
A traditional Estonian wood-burning sauna stove designed to deliver gentle, long-lasting heat and satisfying steam from a substantial stone mass. Choose 12 kW or 18 kW to match the size of your sauna.
Key Features
- High stone capacity produces deep, enveloping steam with gentle, long-lasting heat
- Compact traditional design brings authentic wood-fired sauna bathing to smaller and mid-size rooms
- Cozy Heat-engineered combustion is designed to reduce wood use while producing cleaner exhaust
- Glass firebox door adds the warm glow and atmosphere of a real wood fire
Specifications
| Model |
Sauna Volume |
Stove Weight |
Stone Capacity |
Overall Efficiency |
Required Draft |
| 12 kW / HEAT12 |
210–423 cu. ft. (6–12 m³) |
108 lb |
200 lb |
73.9% |
12 Pa |
| 18 kW / HEAT18 |
317–635 cu. ft. (9–18 m³) |
159 lb |
310 lb |
81.3% |
12 Pa |
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
| Model |
Sides |
Back |
Front |
Ceiling |
| 12 kW / HEAT12 |
6.69" (170 mm) |
9.05" (230 mm) |
19.68" (500 mm) |
44.48" (1,130 mm) |
| 18 kW / HEAT18 |
9.05" (230 mm) |
9.05" (230 mm) |
19.68" (500 mm) |
52.75" (1,340 mm) |
Sauna Stone Requirements
Sauna stones are required for operation and are not included. Approximate stone capacity for the Cozy series is 200 lb for the 12 kW model and 310 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.