# 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. ### Key Features - 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 ### Specification 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 people 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 ### Delivery Your sauna is delivered securely packaged to help ensure safe transport and straightforward handling on arrival. Most saunas are delivered in multiple flat-packed boxes or a wooden crate, depending on the model. Delivery is kerbside only, meaning the driver will deliver to the nearest accessible point at your property but is not responsible for moving the goods inside. This product is delivered on a 7.5 or 18 tonne vehicle. If access for a vehicle of this size may be restricted, please contact us in advance. Additional charges may apply if re-delivery is required using a smaller vehicle. If you are unsure whether your postcode qualifies for free delivery, please use the delivery fee calculator in the shopping cart. Sauna Type Weight No. of Boxes Dimensions Infrared Light Sauna 300kg + 3-5 Flat packed Traditional Steam Saunas 270kg + 4-7 Flat packed Outdoor Saunas 300kg + 3-6 Flat packed Wood Barrel Saunas 616kg + 1 Wood Crate Corner Saunas 350kg + 3-7 Flat packed Deluxe Relax Saunas 300kg + 3-7 Flat packed Combination Saunas 300kg + 4-7 Flat packed ### ### 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 - **Type:** Saunas - **Tags:** HS-SAUNAS-1, Indoor Saunas, Traditional Steam Sauna ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 10158.22 GBP | In stock | ## Images - Thermo Black 220 Indoor Steam Sauna front view - Thermo Black 220 Indoor Steam Sauna side view - Thermo Black 220 Indoor Steam Sauna close up - Thermo Black 220 Indoor Steam Sauna modern home setting --- > Source: [Gym Fitness Store](https://gymfitnessstore.co.uk/products/thermo-black-220-indoor-steam-sauna) > Updated: 2026-09-12