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The Tampere Barrel Sauna is a 4-person outdoor barrel sauna kit from Finnish Sauna Builders, crafted from Traditional Northern European Spruce with a chemical-free wood treatment for dimensional stability and weather resistance. The kit arrives pre-cut and ready to assemble — no specialized tools or cutting required.
Wood
Traditional Northern European Spruce, chemically untreated. The chemical-free treatment process enhances dimensional stability and reduces shrinking for outdoor use.
What’s Included
- Barrel cradles for ground placement
- Body staves and wall panels
- Glass front door
- Interior benches and backrest staves
- Duckboard flooring
- Fasteners and metal bands
- Rain jacket for weather protection
- Harvia Spirit SP80 8KW WiFi Heater (model HSPE80U1M, 1-phase) with heater stones
Specifications
| Dimension | Inches | Feet |
|---|---|---|
| Exterior Length | 70.87 in | 5.91 ft |
| Exterior Width | 86.61 in | 7.22 ft |
| Exterior Height | 88.98 in | 7.42 ft |
| Inner Width | 83.46 in | 6.96 ft |
| Inner Length | 62.99 in | 5.25 ft |
| Bench Width | 25.59 in | 2.13 ft |
| Bench Length | 62.60 in | 5.22 ft |
| Capacity | 4 Person | |
| Bench Layout | 2-Tier | |
| Wood | Northern European Spruce (chemical-free treatment) | |
| Heater | Harvia Spirit SP80 8KW WiFi (HSPE80U1M, 1-phase) | |
| Shipping Weight | 2,000 lbs | |
Assembly
All components arrive pre-cut. Assembly requires no cutting and no specialized tools. A step-by-step installation guide is included.
Resources
Barrel Sauna Comparison Chart
| Feature | Tampere | Vassa | Helsinki | Turku |
|---|---|---|---|---|
| Product Image |  |
 |
 |
 |
| Capacity | 4 Person | 6 Person | 4 Person | 6 Person |
| Bench Layout | 2-Tier | 2-Tier | 2-Tier | 2-Tier |
| Terrace Included | ❌ No | ❌ No | ✅ Yes | ✅ Yes |
| Exterior Length | 70.87 in | 94.49 in | 70.87 in | 94.49 in |
| Exterior Width | 86.61 in | 86.61 in | 86.61 in | 86.61 in |
| Exterior Height | 88.98 in | 88.98 in | 88.98 in | 88.98 in |
| Inner Width | 83.46 in | 83.46 in | 83.46 in | 83.46 in |
| Inner Length | 62.99 in | 86.61 in | 51.18 in | 74.80 in |
| Bench Width | 25.59 in | 25.59 in | 25.59 in | 25.59 in |
| Bench Length | 62.60 in | 86.22 in | 50.79 in | 74.41 in |
| Wood Material | Northern European Spruce | Northern European Spruce | Northern European Spruce | Northern European Spruce |
| Chemical-Free Treatment | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| DIY Assembly | ✅ Yes (No Cutting) | ✅ Yes (No Cutting) | ✅ Yes (No Cutting) | ✅ Yes (No Cutting) |
| Glass Front Door | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Duckboard Flooring | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| Heater Included | Harvia Spirit SP80 8KW WiFi | Harvia Spirit SP80 8KW WiFi | Harvia Spirit SP80 8KW WiFi | Harvia Spirit SP80 8KW WiFi |
Tampere — 4-Person Barrel Sauna
Capacity
4 Person
Bench Layout
2-Tier
Terrace Included
❌ No
Exterior Length
70.87 in
Exterior Width
86.61 in
Exterior Height
88.98 in
Inner Width
83.46 in
Inner Length
62.99 in
Bench Width
25.59 in
Bench Length
62.60 in
Wood Material
Northern European Spruce
Chemical-Free Treatment
✅ Yes
DIY Assembly
✅ Yes (No Cutting)
Glass Front Door
✅ Yes
Duckboard Flooring
✅ Yes
Heater Included
Harvia Spirit SP80 8KW WiFi
Vassa — 6-Person Barrel Sauna
Capacity
6 Person
Bench Layout
2-Tier
Terrace Included
❌ No
Exterior Length
94.49 in
Exterior Width
86.61 in
Exterior Height
88.98 in
Inner Width
83.46 in
Inner Length
86.61 in
Bench Width
25.59 in
Bench Length
86.22 in
Wood Material
Northern European Spruce
Chemical-Free Treatment
✅ Yes
DIY Assembly
✅ Yes (No Cutting)
Glass Front Door
✅ Yes
Duckboard Flooring
✅ Yes
Heater Included
Harvia Spirit SP80 8KW WiFi
Helsinki — 4-Person 2-Tier Barrel Sauna with Terrace
Capacity
4 Person
Bench Layout
2-Tier
Terrace Included
✅ Yes
Exterior Length
70.87 in
Exterior Width
86.61 in
Exterior Height
88.98 in
Inner Width
83.46 in
Inner Length
51.18 in
Bench Width
25.59 in
Bench Length
50.79 in
Wood Material
Northern European Spruce
Chemical-Free Treatment
✅ Yes
DIY Assembly
✅ Yes (No Cutting)
Glass Front Door
✅ Yes
Duckboard Flooring
✅ Yes
Heater Included
Harvia Spirit SP80 8KW WiFi
Turku — 6-Person Barrel Sauna with Terrace
Capacity
6 Person
Bench Layout
2-Tier
Terrace Included
✅ Yes
Exterior Length
94.49 in
Exterior Width
86.61 in
Exterior Height
88.98 in
Inner Width
83.46 in
Inner Length
74.80 in
Bench Width
25.59 in
Bench Length
74.41 in
Wood Material
Northern European Spruce
Chemical-Free Treatment
✅ Yes
DIY Assembly
✅ Yes (No Cutting)
Glass Front Door
✅ Yes
Duckboard Flooring
✅ Yes
Heater Included
Harvia Spirit SP80 8KW WiFi
Key Differences
Capacity:
- 4-Person models: Tampere and Helsinki
- 6-Person models: Vassa and Turku
Terrace:
- Helsinki and Turku include a terrace; Tampere and Vassa do not
Inner Length (the key differentiator):
- Helsinki: 51.18 in — compact sauna chamber with space allocated to the terrace
- Tampere: 62.99 in — compact 4-person footprint
- Turku: 74.80 in — longer 6-person interior with space allocated to the terrace
- Vassa: 86.61 in — largest interior, maximum space for 6 people
What’s the Same Across All Models:
- Traditional Northern European Spruce with chemical-free wood treatment
- Harvia Spirit SP80 8KW WiFi heater with heater stones included
- Glass front door, duckboard flooring, interior benches, metal bands, and rain jacket
- No-cut DIY assembly with installation guide
- Identical exterior width (86.61 in) and height (88.98 in)
The information presented on this page is for general wellness and educational purposes only. Statements regarding products sold by Serene Lifestyle Co have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Consult a qualified healthcare provider before beginning any new wellness routine, especially if you are pregnant, nursing, or have a pre-existing medical condition.
