Luxury 3-4 Person Steam Indoor Sauna by Centuraheat

SKU: HEAT-HS1021
£2,590.00 GBP £2,878.00
Tax included Shipping calculated at checkout.

Size: 1500 x 1200 x 1900mm
Capacity: 3-4 Person
Rated Power: 4500W
Amps: 25A
Heater : Steam Stove

🚚 Estimated Delivery: Tuesday, May 5 - Thursday, June 4


Questions before ordering?
Speak to our UK-based sauna support team on 0333 038 2800.
We’re happy to help with sizing, delivery, or installation questions.

Available to pre-order — delivery timeframe shown above is updated based on live stock movement.

Transform your home into a dedicated wellness retreat with the Centuraheat Luxury 3–4 Person Steam Indoor Sauna. Designed for those who value performance as much as presentation, this premium indoor steam sauna combines traditional heat therapy with modern control and comfort. Crafted from high-grade Canadian Hemlock and finished with a contemporary glass-fronted design, it delivers a refined sauna experience that feels both powerful and calming.

Spacious Home Sauna for Shared Relaxation

Designed to comfortably accommodate up to four people, this 3–4 person sauna is ideal for post-training recovery, stress relief, or unwinding with family. The powerful steam heat provides consistent, penetrating warmth that supports muscle recovery, circulation, and overall wellbeing, making it a strong addition to any home wellness setup.

Traditional Steam Power with Modern Control

At the heart of the sauna is a high-performance 4500W traditional sauna stove, delivering fast heat-up times and reliable steam output for consistent sessions. The integrated digital control panel allows you to easily manage temperature and session duration, while mobile app connectivity lets you adjust settings remotely for added convenience.

Immersive Comfort and Atmosphere

This luxury indoor sauna is designed to engage all the senses. Built-in Bluetooth, FM radio, USB MP3 playback, a charging port, and three integrated speakers create an immersive audio experience. Coloured star lighting and an explosion-proof internal light provide a calming atmosphere while maintaining safety during every session.

Your Private Wellness Space at Home

Owning a private steam sauna removes the compromises of shared facilities. There’s no waiting, no shared space, and no rigid schedules — just complete control over your routine. Whether it’s post-workout recovery or quiet evening relaxation, this sauna provides a clean, private, and always-available wellness experience in your own home.

KEY FEATURES

Powerful steam performance: 4500W traditional sauna stove for fast heat-up and consistent steam sessions

Digital control system: Easily manage temperature and session time via the integrated control panel

App connectivity: Adjust sauna settings remotely using your smartphone

Integrated audio: Bluetooth, FM radio, USB MP3 playback, charging port, and three built-in speakers

Relaxing ambience: Coloured star lighting and explosion-proof internal light for a calm, safe environment

Oxygen ioniser: Helps maintain a fresher internal atmosphere during use

Low EMF design: EMF levels remain below 0.3μT at 5cm from the heating element

Durable construction: Built from premium Canadian Hemlock for strength and insulation

Home installation ready: Delivered flat packed with instructions and assembly video

SPECIFICATION

Capacity: 3–4 person
Sauna Type: Indoor traditional steam sauna
Heater Type: Traditional sauna stove
Temperature Range: 18–99°C
Timer: 1–99 minutes

Dimensions (W × D × H): 1500 mm × 1200 mm × 1900 mm
Material: Canadian Hemlock wood

Audio: Bluetooth, USB MP3, FM radio with integrated speakers
Lighting: Coloured star lighting and explosion-proof internal light
Additional Features: Oxygen ioniser, low EMF design

Rated Power: 4500 W
Voltage: 230 V
Current: 25 A
Connection: Hardwired into mains supply by a qualified electrician

Assembly: Flat-packed
Warranty: 1 year (electrical components), 2 years (wooden structure)

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

This sauna is supplied flat-packed and is designed for home self-assembly. Full written instructions and a step-by-step assembly video are included to make installation straightforward.

Position the sauna on a level, solid indoor surface with adequate surrounding clearance for ventilation and access. Ensure the room is dry and well ventilated.

This model must be hardwired into the property’s mains supply by a qualified electrician due to its 4500W power rating.

Before first use, rinse the sauna stones and run the heater briefly to allow components to settle. Always follow the safety guidance provided in the manual regarding session length, hydration, and safe operation.


Instructions/Manual:

HEAT-HS1021 Manual

Control Panel Manual

ASI Accredited Forest Stewardship Council Mark of responsible forestry. Sustainably sourced wood

Frequently Asked Questions

Steam Sauna FAQ

What is a steam sauna and how does it work?

A steam sauna uses an electric heater filled with stones. When water is poured over the heated stones, it creates steam and raises humidity, producing the classic Finnish-style sauna environment with hot, humid air and an intense, invigorating heat.

How hot does a steam sauna get?

Steam saunas operate at higher air temperatures than infrared models. The exact heat depends on heater size, cabin volume, and insulation. Some users prefer short, high-intensity sessions, while others enjoy gentler heat with added steam.

Do steam saunas require plumbing?

No. Steam is created manually by pouring water onto the stones. There is no built-in water connection or drainage inside the cabin. The surrounding room simply needs normal airflow so moisture can dissipate when the door is opened.

What electrical supply does a steam sauna need?

Steam sauna heaters vary in power depending on the model. Many home heaters fall between 3 kW and 9 kW.
Important: Any heater above 3 kW must be hard-wired on a dedicated circuit by a qualified electrician. Always check the rated wattage before installation.

How long does a steam sauna take to heat up?

Typical heat-up time is around 30–45 minutes, depending on heater output, cabin size, insulation, and room temperature. Proper preheating allows the stones to reach the right temperature for consistent steam.

Do steam saunas create a lot of moisture?

Inside the cabin, yes — that’s intentional. Outside the cabin, moisture is minimal and usually released only when the door is opened. Normal room ventilation, such as a window or extractor fan, is sufficient to manage this.

Where can I install a steam sauna?

Steam saunas can be installed in indoor spaces such as home gyms, utility rooms, large bathrooms, or dedicated wellness rooms. Outdoor-rated models can be installed in gardens, on patios, or under shelter. Always check whether the sauna is listed as indoor or outdoor before installation.

Are steam saunas safe to use?

Steam saunas are widely used in both home and commercial settings. Stay hydrated, avoid alcohol before use, and leave the sauna if you feel unwell. Anyone with medical conditions, including heart issues or pregnancy, should consult a healthcare professional before use.

How often should I use a steam sauna?

Many people use a steam sauna three to five times per week. Beginners often start with shorter sessions of around 8–12 minutes and gradually increase duration as they become more comfortable with the heat.

Do steam saunas require much maintenance?

Maintenance is simple. Wipe down benches after use, leave the door open to help the cabin dry, and occasionally clean or reposition the stones according to the manufacturer’s guidance. Exterior wood treatment may be required depending on placement.

What’s the difference between a steam sauna and an infrared sauna?

A steam sauna heats the air and increases humidity for a traditional, high-heat experience. An infrared sauna heats the body directly at lower air temperatures. The choice comes down to whether you prefer intense heat or a gentler, deeper warmth.