Custom Indoor Sauna Room - 5' x 5' x 8'
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Book a quick video consult and ask us about electrical, placement, heater options, delivery, or assembly.
Book a video meetingPrefer email? Contact info@saunass.com
Specifications 5' × 5' · For 2-3 people · 3 woods
The Custom Indoor Sauna Room 5' x 5' x 8' is a pre-cut, choose-your-wood Finnish sauna kit for a 5' × 5' room with an 8' ceiling.
Power: Choose from 6 6 kW heaters (all include sauna stones), or order with No Heater. See the heater comparison on this page for specs and pricing.
What's in the box Pre-cut interior · you supply the shell
Everything for the 5' × 5' interior, pre-cut in your chosen wood. You supply the framing, insulation, electrical wiring, and exterior wall covering.
In the box
- Foil vapor barrier for moisture protection
- 1×4 tongue & groove boards for walls & ceiling, in your chosen wood
- Clear 1×4 bench boards (20″ deep) with supports, custom-built to your bench layout
- Ergonomic backrests and a comfortable headrest
- Corner moldings for walls, ceiling, and baseboards (matching wood)
- All-glass sauna door with wood handles and trim
- Duckboard flooring for the walk area (matching wood)
- Upper and lower vent grills for air circulation
- Traditional sauna bucket with liner and ladle, plus a sauna thermometer
- Marine-grade, wall-mount, vapor-proof sauna light
- Detailed installation instructions
What you provide
Good to know
Optional add-ons if selected: a heater (sauna stones included), bench skirting, and LED under-bench lighting (Skirting, LED, or Luxury accessory package).
Setup questions? Email info@saunass.com
Choose your wood 3 premium woods · cedar, thermo poplar, aspen
Every Custom Indoor Sauna Room is cut from one of three premium woods. The kit and price are the same - pick the look, feel, and finish you want.
-
Grade A Western Red Cedar Most popular
- Treatment
- Natural softwood, knot-free
- Feel
- Stays cool to the touch
- Color
- Reddish to pinkish-brown with pale streaks
- Durability
- Naturally resists moisture & decay
- Use
- Indoor
- Best for
- Classic cedar look & aroma
-
Thermo Aspen / Alder
- Treatment
- Intense thermal mod (419°F+)
- Feel
- Smooth, cool surface
- Color
- Deep, rich brown
- Durability
- Maximum stability & durability
- Use
- Indoor & outdoor
- Best for
- Modern, dramatic aesthetic
-
Thermo Poplar
- Treatment
- Medium thermal mod (374°F)
- Feel
- Warm, gentle surface
- Color
- Warm, even rich tone
- Durability
- Great stability, humidity-resistant
- Use
- Indoor
- Best for
- Chemical-free, balanced value
All three woods are cut to your exact room size. Thermo Aspen/Alder is also rated for outdoor use; Western Red Cedar and Thermo Poplar are for indoor saunas.
Compare sizes 21 sizes · find your fit
Every Custom Indoor Sauna Room is the same pre-cut, choose-your-wood kit. Pick the footprint that fits your room and how many people you want to seat.
| Width | Length | Height | People | Price | Choose |
|---|---|---|---|---|---|
| Width3' | Length4' | Height8' | 1-2 people | $5,190.50 | View |
| Width4' | Length4' | Height8' | 1-2 people | $5,747.40 | View |
| Width4' | Length5' | Height8' | 2-3 people | $6,323.90 | View |
| Width4' | Length6' | Height8' | 2-3 people | $6,900.50 | View |
| Width5' | Length5' | Height8' | 2-3 people | $6,935.20 | This size |
| Width4' | Length7' | Height8' | 3-4 people | $7,477.10 | View |
| Width5' | Length6' | Height8' | 3-4 people | $7,566.20 | View |
| Width4' | Length8' | Height8' | 3-4 people | $8,053.70 | View |
| Width5' | Length7' | Height8' | 3-4 people | $8,197.20 | View |
| Width6' | Length6' | Height8' | 4-6 people | $8,312.00 | View |
| Width5' | Length8' | Height8' | 4-6 people | $8,828.20 | View |
| Width6' | Length7' | Height8' | 4-6 people | $9,197.40 | View |
| Width6' | Length8' | Height8' | 4-6 people | $9,882.80 | View |
| Width7' | Length7' | Height8' | 4-6 people | $10,060.30 | View |
| Width6' | Length9' | Height8' | 6-8 people | $10,691.30 | View |
| Width7' | Length8' | Height8' | 6-8 people | $10,800.20 | View |
| Width6' | Length10' | Height8' | 6-8 people | $11,357.00 | View |
| Width7' | Length9' | Height8' | 6-8 people | $11,540.00 | View |
| Width8' | Length8' | Height8' | 6-8 people | $11,853.50 | View |
| Width7' | Length10' | Height8' | 8-10 people | $12,279.80 | View |
| Width8' | Length9' | Height8' | 6-8 people | $12,647.80 | View |
Every size ships pre-cut to fit and includes the all-glass door, benches, vents, duckboard floor, and trim. Wood finish and heater are chosen separately.
6 kW heater options
Compare heater options
Six Harvia heaters at 6 kW. All include sauna stones; pick manual or WiFi control.
| Heater | Best value Harvia KIP60W+$1,229.50 |  Harvia Cilindro PC60+$1,733.50 |  Harvia KIP60B+$2,316.00 |  Harvia Cilindro PC60E+$2,989.50 |  Harvia Spirit+$3,305.00 |  Harvia Virta+$3,812.00 |
|---|---|---|---|---|---|---|
| Power | 6 kW | 6 kW | 6 kW | 6 kW | 6 kW | 6 kW |
| Control | WiFi app | Built-in manual | Built-in manual | WiFi app | WiFi app | WiFi app |
| WiFi app | Yes | No | No | Yes | Yes | Yes |
| Stone capacity | Standard | Large | Standard | Large | Standard | Standard |
| Design | Wall-mounted | Cylindrical | Wall-mounted | Cylindrical | Modern | Premium |
| Safety railing | No | No | No | No | No | Included |
| Best for | Lowest price, app control | Softer, fuller steam | Simple manual control | Big steam plus app control | A design-forward look | Premium build with a railing |
Sauna stones are included with every heater. A safety railing is included with select heaters. The price shown is added to the base price when you select a heater, or choose No Heater to supply your own.
