Nordic thermowood
Nordic thermowood gives the cabin visual presence and helps maintain dimensional stability in outdoor exposure and repeated thermal cycles.
Choose your finish, options and delivery preferences using the live UK configurator.
Hiki S was designed to fit discreetly and elegantly into contemporary outdoor spaces.
It takes up less area without losing the feeling of ritual and comfort in a dedicated outdoor sauna.
Thermotreated wood offers stability and durability for outdoor use throughout the year.
The flatpack format makes it easy to transport, access and assemble with basic tools.
"It's become a daily ritual… I ordered from real Finns at Saunamo — one of the best saunas I've ever seen… It's an investment in health, longevity and quality of life."
In the Hiki S, Nordic thermowood, tempered glass and outdoor-ready detailing create a compact outdoor sauna that stays stable in regular use.
Nordic thermowood gives the cabin visual presence and helps maintain dimensional stability in outdoor exposure and repeated thermal cycles.
The tempered, 8 mm glazing keeps the cabin visually lighter, brings in more natural light and supports a cleaner outdoor look.
The 40 mm wall and roof structure with 28 mm flooring, appropriate hardware and weather-ready detailing help keep the cabin stable outdoors.
Long-lasting thermowood
Thermowood is the foundation of every Saunamo sauna — chosen not only for its beauty, but for its exceptional performance in high-heat and high-humidity environments. The thermal treatment process improves the wood's durability, stability and natural resistance.
Everything you need to confirm whether Outdoor Sauna Hiki S fits your space.
| Exterior dimensions | 1496 × 2019 × 2161 mm |
| Interior dimensions | 1410 × 1500 × 1930 mm |
| Capacity | 3 people |
| Interior volume | 4.1 m³ |
| Usable area | 2.12 m² |
| Recommended heater | 4.7 kW |
Pair this sauna with an ice bath and create a complete thermal contrast ritual.
Clean lines and architectural presence for a contrast pairing with visual coherence.
Inspired by the Japanese bath, the Ofuro offers a deeper immersion and a more serene presence — ideal for contrast projects with a softer, more natural language.
We guide every step — from initial planning to support after installation.
We review the outdoor space, access and technical requirements with you before the order. The Hiki S needs a level foundation and free space around the structure for air circulation and maintenance.
A level, stable foundation — concrete slab, reinforced deck or similar. We send the full technical specifications and recommended foundation dimensions with your order confirmation.
The sauna arrives flatpacked, delivered directly to the address you provide. We'll confirm the date and check access with you in advance.
You can assemble the Hiki S yourself — we provide detailed step-by-step manuals. If you'd rather not, you can add Saunamo's professional assembly service, where our team handles everything. For the electrical connection, you can use your own electrician or add Saunamo's electrical installation service.
After installation, we stay close — a 3-year factory warranty, replacement parts and technical support whenever you need it.
"Saunamo delivered excellent service. The sauna has been a fantastic purchase, helping with cardiovascular health, faster recovery, better sleep and lower stress."
The difference is not only in the product. It is in how we help you choose the right model, prepare the space and support the project before and after delivery.
Customers who installed Saunamo saunas at home
Excellent product and excellent service. A very high-level company that delivers on what it promises. From the first conversations to the final installation, the whole process was impressive.
The sauna quality is incredible. The team handled everything with real professionalism and stayed very customer-focused throughout. We felt confident from start to finish.
We were impressed by the quality, design and functionality. Communication was always fast and reliable, and every question was answered clearly.
The build quality is exceptional. The customer service is among the best we have experienced. It has been a very worthwhile investment for our home and wellbeing.
Worth every euro. The sauna arrived in perfect condition and the team was extremely helpful throughout the process.
I recommend it completely. Excellent product and a fantastic team. From the first contact to the final stage, everything ran exactly as it should.
From order to delivery, the whole experience was smooth. The sauna is beautifully built and the after-sales support has been excellent.
One of the best purchases we have made for our home. Authentic quality and customer support at a very high standard.
We help validate the space, technical requirements and the right model before you move to a quote.
Heater, stones, electrical connection, base preparation and installation are not included in the base price.
Ideal for more compact terraces and gardens when you want the Cube language in its smallest format.
2050 × 1250 × 2100 mm
4.7 kW
Panoramic glass front.
Bitumen roof with the Cube structure built for outdoor use.
Ideal for shared outdoor sessions when you want a broader front opening and a more social feel inside.
2310 × 2200 × 2360 mm
9 / 9.4 kW
Large panoramic glass front.
High-performance outdoor structure with a more architectural presence.
Ideal for larger gardens or hospitality projects when maximum shared space matters most.
3050 × 2400 × 2450 mm
10.5 kW
The largest panoramic front in the Cube line.
Thermowood body built for long-term outdoor use.
Ideal for smaller gardens when you want a complete outdoor sauna in a compact footprint.
1496 × 2019 × 2161 mm
4.7 kW
Glass door with a side window.
Thermowood structure with a roof built for outdoor use.
Ideal for larger gardens when you want a stronger Nordic presence and more interior space.
2290 × 2290 × 2349 mm
9 / 9.4 kW
Glass door with a corner window.
Polyurethane-insulated build for a more protected outdoor envelope.
Ideal if you want the most classic sauna format and a more traditional outdoor experience.
2200 × Ø2050 mm
9.4 kW
More enclosed, traditional front view.
42 mm body built for strong outdoor heat retention.
Ideal if you love the barrel format but want more interior space and a more premium overall build.
2800 × Ø2260 mm
9 / 9.4 kW
Classic barrel entrance with more interior space.
Upgraded outdoor build with added insulation for year-round use.
Our sauna specialist reviews your space, preferences and budget — and recommends the right model in a few minutes.
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