# Thermo Black 220 Indoor Steam Sauna

The **Thermo Black 220 Indoor Steam Sauna** brings elegant Finnish sauna design into the home, gym or wellness space. Made from heat-treated aspen, it offers a warm natural finish, excellent thermal performance and a mild wood aroma that helps create a relaxing sauna environment.

Designed for up to **3 people**, this indoor sauna combines a spacious layout with black waxed aspen benches for a bold, modern contrast. Its modular structure allows the sauna to be assembled and disassembled more easily by two people, while the insulated cabin helps improve heating performance and long-term reliability.

The Thermo Black 220 is suitable for customers who want a design-led indoor sauna with a premium finish, without moving into a much larger commercial-style cabin. It is ideal for homes, gyms, wellness studios, spa rooms and dedicated relaxation spaces.

-   Premium 3-person indoor sauna
-   Made from heat-treated aspen
-   Black waxed aspen benches
-   Clean Finnish design
-   Suitable for homes, gyms and wellness spaces
-   Modular construction for easier assembly and disassembly
-   Designed for assembly by two people
-   Strong insulated structure for efficient heat retention
-   Heater power: **6.6 kW**
-   Optional sauna assembly service available
-   Optional electrical installation available
-   Optional sauna interior treatment available
-   Product installation available

### Key Features

Specification

Value

Product name

Thermo Black 220 Indoor Steam Sauna 

External dimensions

220 × 150 × 227 cm

External dimensions in mm

2200 × 1500 × 2270 mm

Internal dimensions

202 × 136 × 210 cm

Internal dimensions in mm

2020 × 1360 × 2100 mm

Internal volume

5.8 m³

Capacity

3 persons

Material

Heat-treated aspen

Benches

Black waxed aspen

Insulation

PIR 30 mm

Heater power

6.6 kW

Assembly

Easy assembly and disassembly by two people

Suitable spaces

Homes, gyms and wellness spaces

### Instructions  

Thermo Black 220 Technical Drawing

[View/Download](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/260306_Thermo_Black_220_Drawing-compressed.pdf?v=1777646602)

Kajo Heater Instruction Manual

[View/Download](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/EN_Saunamo-Kajo_A4_2026.pdf?v=1777644954)

LED Waterproof Power Supply

[View/Download](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/2.5m-A-30W_1.pdf?v=1777645282)

## Details

- **Price:** 10158.22 GBP
- **Vendor:** Centuraheat

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10158.22 GBP | In stock |

## Images

- Thermo Black 220 Indoor Steam Sauna front view close up
- Thermo Black 220 Indoor Steam Sauna side view
- Thermo Black 220 Indoor Steam Sauna close up
- Thermo Black 220 Indoor Steam Sauna in a modern home setting

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> Source: [Pro-Line Direct](https://prolinedirect.co.uk/products/thermo-black-220-indoor-steam-sauna)
> Updated: 2026-06-02