SKU:HEAT-HS4004

CenturaHeat - 4-5 Person Diamond Corner Sauna - 3000W

£2,493.60

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Official Distributor
Backed By Manufacturer's Warranty
Free UK Delivery

How It Works

Step inside, set your preferred temperature, and enjoy a deep, restorative heat session. All our saunas are easy to use, low-maintenance, and designed for maximum comfort.

Our Guarantee

We stand by the quality of our saunas. That’s why every purchase comes with a full manufacturer’s warranty for complete peace of mind.

Shipping & Delivery

Enjoy free, fast delivery across the UK. Our expert team will arrange safe curbside or in-home delivery, with optional professional assembly available.

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Description

CenturaHeat 4-5 Person Diamond Infrared Corner Sauna

Upgrade your wellness space with the 4-5 Person Diamond Infrared Corner Sauna—a sophisticated blend of form and function. Crafted from high-grade Canadian Hemlock, this home infrared sauna offers deep, rejuvenating heat through infrared light therapy, wrapped in a stylish, space-efficient corner design. Whether you’re recovering from a workout or indulging in a daily relaxation ritual, this infrared sauna delivers a full-body wellness experience right in your home.

Its diamond-shaped footprint maximises interior space without dominating your room, making it ideal for families or couples who value both performance and aesthetics. Built-in audio, app integration, and ambient lighting make this infrared corner sauna a complete sensory experience.

Key Features

• Comfortably Fits 4–5 Adults: Diamond-shaped layout optimises seating in a compact footprint
• Dual Control System: Use the computer control panel or mobile app for ultimate convenience
• Premium Sound: FM radio, USB MP3, Bluetooth, and two built-in speakers for immersive audio
• Infrared Heating Panels: 3000W of infrared light therapy for deep, muscle-relaxing warmth
• Ambient Lighting: Includes 2 LED reading lights, 3 roof lights, 1 coloured square light (star lights optional)
• Air Purifier: Integrated oxygen ionizer improves air quality for a fresher session
• Custom Settings: Adjustable temperature (18–65ºC) and timer (1–99 minutes)
• Voltage: 230V / Power: 3000W / Amps: 13A
• Dimensions: 1010mm (W1) x 880mm (W2) 1630mm (D) x 1900mm (H)
• Included Accessories: Sand timer, thermo-hygrometer, optional star lighting

Electrical Information: This sauna is plug-and-play and can be plugged into a standard UK socket for instant use once assembled.

Built for indoor installation, this infrared sauna UK model combines smart technology, elegant lighting, and powerful heating for a relaxing sanctuary you’ll want to use daily.

Why Infrared Feels Like Home

There’s nothing quite like sinking into the warmth of your own personal unit at the end of a busy day. While spa visits offer temporary relief, they can’t offer the comfort or convenience of having your own space. You choose the temperature, the soundtrack, the schedule—no interruptions, no strangers, no limits.

Like slipping into your favourite chair or climbing into your own bed, having your own sauna transforms relaxation from an occasional luxury into a daily ritual. It becomes part of your routine, not just something you have to book or plan.

This is about more than just heat—it’s about control, peace, and wellness on your own terms.

Specification

Weight	329.5 kg
Dimensions	163 × 101 × 190 cm
Sauna Size	6-8 Person
Heater Type	Traditional Sauna Stove
Width (mm)	1010
Depth (mm)	1630
Height (mm)	1900
Power	3000W

FAQ

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 3D manual.
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.
Tourmaline stones, does the heater not come with stones? How much would this cost?

This is not recommend for EU Countries, most popular for Korea and Japan.
Mobile App system, how much would this cost?

The control panel already includes this function.
How much do the heater elements cost if they stop working?

Please email for a price for the replacement.

Delivery

Delivery Package: Most Saunas are packaged in 3 - 5 Flat packed Boxes or 1 Wooden Crate, please refer to packaging info table below.

This product is delivered to Curb-Side only.

The driver is not required to take the tank any further than this point. If you are unsure if your postcode constitutes for free delivery please revert to the delivery fee calculator on the shopping cart page.

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

Sauna Guide

Download

READ FIRST BEFORE USE

Instruction Manual

Download

HEAT-HS4004 Instruction and Assembly Manual

Control Panel/Mobile App

Download

Control Panel and Mobile App Operations Manual

Sauna

Great well worth the money

Nice sauna

Straight forward to build for 2 people. The sauna is good quality. Overall a good buy.

CenturaHeat - 3 Person Traditional Outdoor Sauna Room - HEAT-HS5001

Nice souna and customer servise

Sauna was not too difficult to assemble by two persons, nice design, good quality, keeps well heat

Great sauna

Good quality and works well. I paid for the assembly service and the guys were good and efficient. The only slight negative is that despite the 2 person description the sauna bench is really only big enough for one adult

CenturaHeat - 2 Person Outdoor Sauna House - HEAT-HS5003

Why Sauna Owners Choose Us:

Relax, Recharge & Restore
Step into soothing warmth that melts away stress while promoting deep relaxation.
Wellness Backed by Science
Regular sauna use supports circulation, muscle recovery, and natural detoxification.
Luxury, Built to Last
Crafted with premium materials and modern design, every sauna delivers both performance and elegance.

The Results Speak for Themselves

Our sauna owners consistently share how regular use has transformed their daily lives — from improved wellness to moments of pure relaxation.

87%

said they feel more relaxed and less stressed

82%

reported a greater sense of wellbeing

79%

noticed better sleep and faster recovery

Hear From Sauna Owners Across the UK:

A true game-changer for my wellbeing.
Using my sauna 3–4 times a week has helped me unwind, sleep better, and feel less stressed overall.
James.R, London
Feels like having a private spa at home.
The craftsmanship is outstanding, and every session feels like pure luxury. Worth every penny.
Sophie.M, Manchester
Recovery has never been this easy.
After workouts, 20 minutes in the sauna leaves me refreshed, relaxed, and ready for the next day.
Daniel.K, Bristol

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FAQ's

Do the saunas come with a warranty?

Yes - every sauna is supplied with a manufacturer’s warranty for your peace of mind. Warranty length varies by model, and details are shown on each product page.

What’s the difference between infrared and traditional saunas?

Infrared saunas use gentle infrared heat to warm the body directly, while traditional saunas heat the air around you. Both deliver deep relaxation and wellness benefits - it’s down to personal preference.

Is installation difficult?

Most of our saunas are designed for easy assembly at home, and we also offer a professional installation service if you’d prefer a hands-free setup.

How will my sauna be delivered?

All saunas are delivered securely, packaged for protection, and shipped with trusted couriers. Larger models may arrive on a pallet, with optional professional placement and assembly available.

How much space do I need?

We offer saunas in a variety of sizes - from compact 1–2 person cabins to spacious 6–8 person units. Product dimensions are listed on each page to help you choose the right fit.

How hot do the saunas get?

Infrared saunas typically reach 40–65°C, while traditional saunas range between 70–100°C. Both allow you to adjust settings for a comfortable session.

What health benefits can I expect?

Regular use may help with stress relief, muscle recovery, improved circulation, detoxification, and better sleep - benefits backed by wellness research and customer feedback.

Why Choose Us?

Free & Reliable Delivery
Every sauna shipped securely across the UK.
Official Distributor
Genuine products with full manufacturer’s warranty.
Expert UK Support
Friendly team ready to help with any questions.
Secure Payments
Checkout with confidence using encrypted payments.

CenturaHeat - 4-5 Person Diamond Corner Sauna - 3000W