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Centuraheat

2-4 Person Hiki S Steam Garden Outdoor Sauna | Premium Thermowood

2-4 Person Hiki S Steam Garden Outdoor Sauna | Premium Thermowood

SKU:HEAT-SM1015

Regular price £10,741.37 GBP
Regular price Sale price £10,741.37 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

Low stock: 1 left

🚚 Estimated Delivery: Friday, August 7 - Saturday, August 22

The 2-4 Person Hiki S Steam Garden Outdoor Sauna is a premium outdoor sauna designed for homeowners who want a high-end wellness experience in a compact footprint. Inspired by clean Nordic styling, this model combines elegant looks with practical performance, making it a strong choice for gardens, patios, terraces, holiday lets, and luxury outdoor living spaces.

Built from durable Thermowood and finished with bronze tempered glass and Thermo-Aspen benches, the Hiki S is made to handle outdoor conditions while maintaining heat efficiently. The result is a garden sauna that looks refined, feels comfortable, and is designed for long-term enjoyment.

What is included?

  • Outdoor Sauna Hiki S cabin
  • Two-level Thermo-Aspen benches with integrated backrests
  • Black-painted bench fronts
  • Bronze tempered glass door and window
  • Self-adhesive waterproof cover
  • Black metal threshold
  • Screws and fittings
  • Complete assembly manual

Designed for modern outdoor living

If you want a luxury outdoor sauna without needing a large garden building, the Hiki S offers an ideal balance of size, comfort, and aesthetics. Its Nordic-inspired design helps it blend beautifully into modern landscaping, while the internal layout creates a practical sauna space for relaxing after work, post-workout recovery, or weekend wellness sessions.

Durable materials for long-term outdoor use

The Hiki S is made using carefully selected materials chosen for both performance and appearance. The wall and roof structure use 40 mm Thermowood, while the floor and deck use 28 mm Thermowood. Inside, the sauna features Thermo-Aspen benches with integrated backrests and black-painted bench fronts for a refined contemporary look.

The sauna also includes an 8 mm bronze tempered glass door and a 6 mm bronze tempered glass window, helping the space feel more open while maintaining a premium, private look from the outside.

Comfortable sauna capacity

This model is well suited to couples and small families, with a layout that can comfortably support regular home use. It is an excellent option if you want a compact garden sauna that still delivers a proper sauna experience.

Simple delivery and installation options

The Outdoor Sauna Hiki S is supplied in flatpack format for easier transportation and site access. Screws, fittings, and a complete assembly manual are included. Professional installation may also be available, depending on your project requirements.

Who is this sauna ideal for?
The Hiki S is ideal for homeowners looking for a premium compact outdoor sauna, buyers creating a garden wellness area, and properties where visual appeal matters as much as performance. It is also well suited to customers who want a high-quality Thermowood sauna with a sleek modern finish.

Important installation information

  • The sauna must be installed on a stable, level, weather-resistant base
  • Suitable foundations include concrete, decking, or level stone/tile surfaces
  • The sauna heater must be connected by a qualified electrician in line with local regulations
  • Please ensure there is suitable delivery access and space to unload/store components if required

Features

  • Model: SE-HIKI-S
  • External dimensions: 1496 × 2019 × 2161 mm
  • Internal dimensions (approx.): 1410 × 1500 × 1930 mm
  • Internal volume (approx.): 4.1 m³
  • Heater: 4.7 kW
  • Capacity: up to 4 users
  • Main materials: Thermowood, bronze tempered glass, Thermo-Aspen
  • Wall and roof structure: 40 mm Thermowood
  • Floor/deck: 28 mm Thermowood
  • Door glass: 8 mm bronze tempered glass
  • Window glass: 6 mm bronze tempered glass

 

  • Premium outdoor sauna with a compact, space-efficient footprint
  • Crafted from Thermowood for durability, stability, and outdoor performance
  • Modern bronze tempered glass door and window for a stylish finish
  • Two-level bench layout with integrated backrests for greater comfort
  • Suitable for year-round home spa and garden wellness use
  • Delivered flatpack with full assembly instructions included

Delivery Information

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

 

Assembly Service (Optional)

Our sauna assembly service is available as an optional extra when ordering a sauna.
This service is ideal if you’d like professional setup on the day of delivery, without the hassle of self-assembly.

Coverage

We currently cover most of England and Wales.
Please refer to coverage map below:
Green: Available for Assembly Service.
Red: Please contact us before including the Assembly Service.
Yellow (Striped) : We do not cover this area currently.

Assembly Service Coverage Map

Delivery vs assembly date

The assembly date may differ from the delivery date shown on the product page.
Once your order has been placed, our team will contact you to confirm and arrange a suitable assembly date.

What happens on the day

  • Arrival with the sauna
  • Offloading of all components
  • Assembly and positioning at the location specified by the customer

Important to note

  • We do not carry out any electrical connections
  • We do not remove packaging or waste from the site

FAQ

Frequently Asked Questions

How much does it cost to run a sauna?
The cost of running a sauna depends on its wattage and how long you use it. Our saunas typically range from 2kW to 10kW. On average, running a sauna for an hour can cost between £0.50 and £2.50. Please refer to this Electricity cost calculator for more information.

What warranties do you carry on the saunas?
Our warranty term is: 1 Year for electric parts, 2 Years for wooden parts.

Are the Saunas easy to assembly/Install?
All our saunas come with Assembly Instructions which are easy and detailed. Saunas are assembled together using buckles/clamps with some screwing involved.
For Infrared Light saunas, the sauna can be plugged into any standard outlet in the house. For traditional steam saunas, the power needs to be connected to the mains of the house by an electrician.

How hot does the sauna get and how hot does the steam get?
For traditional steam saunas, the heat time and temperature can set by control panel is: 0-90mins and 18-99 degrees Celsius. For Infrared Saunas, the maximum temperature is 65 degrees Celsius.

When is the right time to add water to the sauna stones?
To ensure optimal performance and to avoid potential damage, only add water once the sauna stones have reached the appropriate temperature. This heat level is necessary to properly vaporize the water, creating the ideal steam environment.

Why shouldn’t I add water before the stones are hot?
Adding water to cold or warm stones can cause inefficient steam production, leading to a less satisfying sauna experience. In some cases, this may even damage the heating elements or stones, reducing the lifespan of your sauna heater.

How can I tell if the stones are hot enough?
The stones should feel intensely hot when you bring your hand near them (without touching!). Many sauna heaters also feature a temperature gauge to help you monitor the heat levels. Wait until the gauge reads at least 300°F before adding water.

What type of water should I use?
Use clean, distilled water when possible. Tap water with high mineral content may cause buildup on the stones and heater over time, affecting performance.

Are there any precautions I need to take like anti-mould?
If the sauna is placed in a very humid area, try to keep it dry. otherwise, no need do any precaution.

What size cable does this need for its supply?
For 3000W saunas, you would need at least 2.5mm size power input wire. For 4500W saunas, you would need at least 4mm power input wire.

Would an RCD be needed for the steam sauna?
Yes, a REC protection from the board would be needed. Please talk to your local electrician for details.

Is it delivered assembled?
No, the sauna is delivered dissembled and flat packed. Assembly is simple and easy with assemble videos or PDF manual available.

How long does it take to heat up once you turn it on?
When the external environment temperature is 10 degrees Celsius, it takes about 15 minutes to heat up to 50 degrees Celsius, and about 30 minutes to heat up to 70 degrees Celsius.

Does the timber from the outside get hot? Is it safe for children to touch this?
The timber outside is not hot, just little warmer and safety for touch.

Can the outside be painted or will this affect it in anyway?
Yes, outside of sauna with wood nature colour paint.

What type of wood is it made of?
The wood is Canadian hemlock.

Oxygen lonizer. What is this and what is the cost?
This is negative ion generator, please email us for a price.

Does the heater not come with stones?
Yes, the sauna stones are included. Please thoroughly rinse sauna stones before use.

Mobile App system, how much would this cost?
The control panel already includes this function. Please check description for confirmation.

How much do the heater elements cost if they stop working?
Please email for a price for the replacement.

Instructions/Manual

Outdoor Sauna Hiki S Instruction Manual View/Download
Kajo Heater Instruction Manual View/Download
LED Waterproof Power Supply View/Download

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