The
ETNA 12 SN wood-burning sauna heater is a compact, efficient sauna heater with an internal firebox
and a heat-resistant glass door, developed for anyone who appreciates soft steam, a real fire and the convenience of loading wood directly from inside the sauna. Suitable for sauna cabins of up to
12 m³, this model combines excellent value for money,
high efficiency and an atmospheric sauna experience with low wood consumption.
Suitable for
- Barrel saunas 180 cm
- Barrel saunas 240 cm
- Barrel saunas 340 cm
- QUADRO saunas 180 cm
- QUADRO saunas 240 cm
- QUADRO saunas 340 cm
Key benefits
- Heat-resistant glass door — lets you watch a real fire while you enjoy the sauna.
- Internal firebox — firewood can be conveniently loaded directly inside the sauna cabin.
- Large stone capacity (up to 80 kg) — provides soft, dense, pleasant steam.
- Reinforced grid structure — designed to carry a heavy load of stones without deforming.
- High combustion efficiency — cast-iron grates, an additional air supply and two flame deflectors improve performance and durability.
- Atmospheric sauna experience — combines heat, visible flames and soft steam in one solution.
Technical specifications
| Heater type | Wood-burning |
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| Firebox position | Internal |
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| Wood loading | Inside the sauna cabin |
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| Special feature | Door with heat-resistant glass |
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| Sauna volume | Up to 12 m³ |
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| Output | 12.2 kW |
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| Stone capacity | Up to 80 kg |
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| Certification | CE |
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Important: The heater is
CE certified.
Warning: Do not pour water on the heater’s glass door.
Please note: Sauna stones (80 kg) and optional accessories such as water tanks or pipe guards are not included.
Delivery information: To keep delivery costs down, the heater is supplied
unassembled. Installation note: Before final installation, the heater should be burned outdoors for approximately
30 minutes to burn off the factory paint.
Safety recommendation: Place a non-combustible base under the heater, such as a stone or concrete slab.
Recommended size approx.
60 × 40 cm, typical thickness
7–10 cm.
Summary: The ETNA 12 SN is a practical, atmospheric wood-burning sauna heater that combines internal loading,
a visible fire, efficient heating and soft steam for cosy, traditional sauna sessions.
Manuals
Assembly and operating instructions to download.
Wood-burning heater assembly instructions
PDF · 20.6 MB