






Cozy Wood-Fired Heater SW
A wood-fired heater in 5 mm structural steel. No electricity, no wiring, no electrician.
From$2750
- COZY wood-fired sauna heater
- Integrated fire chamber
- Large stone basket structure
The Saunum upgrade is quoted, not carted. Choose it and we will confirm the final figure in writing before anything is paid.
Delivered Australia-wide. Installation is not included.
About the Cozy Wood-Fired Heater SW
Construction & materials
| Brand | COZY |
|---|---|
| Origin | Designed and manufactured in Estonia |
| Fuel Type | Wood-fired |
| Operation | Fully off-grid (no electricity required) |
| Material | 5 mm structural steel |
| Stone Size Compatibility | 7.5–15 cm sauna stones |
Dimensions & weight
| Recommended Sauna Room Size | 6–12 m³ |
|---|---|
| Heater Weight (without stones) | 49–72 kg |
| Stone Capacity | 100–120 kg |
| Recommended Sauna Room Size | 9–18 m³ |
| Heater Weight (without stones) | 70–100 kg |
| Stone Capacity | 140–160 kg |
Electrical
No electrical connection required. The heater operates entirely using wood fuel.
Delivery & installation (1/2)
| Minimum Ventilation Opening | 10,200 mm² |
|---|---|
| Minimum Smoke Flue Cross Section | 7,850 mm² |
| Ceiling | 1130 mm |
| Sides | 170 mm |
| Front | 500 mm |
| Back | 230 mm |
| Ceiling | 1340 mm |
| Sides | 230 mm |
| Front | 500 mm |
| Back | 230 mm |
| Fuel | Wood logs up to 33 cm |
| Fuel Quantity (per session) | 3.6 kg (added in three parts) |
Delivery & installation (2/2)
| Required Draught | 12 Pa |
|---|---|
| CO Emissions (13% O₂) | 0.074% / 918 mg/m³ |
| Dust Emissions | 22 mg/m³ |
| Overall Efficiency | 73.9% |
| Average Flue Gas Temperature | 292°C |
| Fuel | Wood logs up to 40 cm |
| Fuel Quantity (per session) | 5.1 kg (added in three parts) |
| Required Draught | 12 Pa |
| CO Emissions (13% O₂) | 0.093% / 1164 mg/m³ |
| Dust Emissions | 35 mg/m³ |
| Overall Efficiency | 81.3% |
| Average Flue Gas Temperature | 234°C |
Warranty & support
Warranty: 5 years COZY sauna heaters are built to rigorous European manufacturing standards and designed for long-term durability. The heaters comply with strict safety, emissions, and efficiency certifications. Support and service are available through authorised distributors and installers.
Frequently asked questions
Are sauna stones included?
Yes, stones are supplied with it.
What warranty does it carry?
5 years