Vassa Finnish Barrel Sauna with WiFi Heater - Finnish Sauna Builders
Vassa Finnish Barrel Sauna with WiFi Heater - Finnish Sauna Builders
Sale price$14,819.00
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Vassa Finnish Barrel Sauna with WiFi Heater - Finnish Sauna Builders
Sale price$14,819.00
Designed by Finnish Sauna Builders, the Vassa Barrel Sauna is the largest interior in the barrel lineup — a 6-person sauna built from Northern European spruce, maximizing shared space without a terrace addition.
Right For You If…
- You want the most interior space available in the barrel sauna lineup
- You're sauna-ing with a larger group and want maximum shared seating
- You're comfortable with DIY assembly and want a straightforward, no-cutting build process
What Makes It Worth It
- Northern European spruce construction with chemical-free wood treatment — dimensional stability and long-term durability without chemical additives
- Largest interior length in the barrel lineup — 86.61" inner length, maximizing shared space for 6 people
- Bundled heater included — [confirm model: Spirit WiFi vs. KIP-B — see open flag]
- Tool-free DIY assembly — all components pre-cut, no specialized tools or contractors required
- Complete kit — includes barrel cradles, wall panels, glass front door, interior benches, duckboard flooring, fasteners, and a weatherproof rain jacket
Specs at a Glance
| Manufacturer | Finnish Sauna Builders |
|---|---|
| Capacity | 6 people |
| Exterior dimensions | 94.49"L x 86.61"W x 88.98"H |
| Interior dimensions | 86.61"L x 83.46"W |
| Bench dimensions | 86.22"L x 25.59"W |
| Wood | Northern European spruce, chemical-free treatment |
| Heater | 8KW, included [confirm exact model] |
| Includes | Glass front door, duckboard flooring, interior benches, rain jacket, mounting hardware |
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 |
| Manufacturer | Finnish Sauna Builders | Finnish Sauna Builders | Finnish Sauna Builders | Finnish Sauna Builders |
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
Manufacturer
Finnish Sauna Builders
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
Manufacturer
Finnish Sauna Builders
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
Manufacturer
Finnish Sauna Builders
Turku — 6-Person Barrel Sauna
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
Manufacturer
Finnish Sauna Builders
Key Differences
Capacity:
- 4-Person models: Tampere and Helsinki — ideal for small families or intimate groups
- 6-Person models: Vassa and Turku — perfect for larger families or group gatherings
Terrace:
- Helsinki and Turku model includes a terrace — providing a relaxing outdoor space to cool down between sauna sessions
Dimensions — Inner Length (the key differentiator):
- Helsinki: Shortest interior at 51.18 in — compact sauna chamber with space allocated to the terrace
- Tampere: 62.99 in interior length — compact 4-person footprint
- Turku: 74.80 in interior length — longer 6-person interior with space allocated to the terrace
- Vassa: Largest interior at 86.61 in — maximum space for 6 people
What's the Same Across All Models:
- All built from Traditional Northern European Spruce with chemical-free wood treatment
- All include an 8KW KIP-B heater, glass front door, duckboard flooring, interior benches, and metal bands
- All feature tool-free, no-cut DIY assembly with a comprehensive guide
- Identical exterior width (86.61 in) and height (88.98 in) — same barrel diameter across the entire lineup