CenturaHeat
CenturaHeat 2-6 Person Infrared Relax Indoor Sauna
CenturaHeat 2-6 Person Infrared Relax Indoor Sauna
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Experience Relaxation on Your Terms
The 2–6 Person Infrared Relax Sauna is a spacious wellness retreat, beautifully crafted from Canadian Hemlock and designed to accommodate up to six users. Whether you’re hosting a wellness evening with friends or enjoying a quiet solo session, this powerful sauna provides deep, consistent infrared warmth through advanced carbon fibre heating panels and light technology — promoting muscle recovery, detoxification, and stress relief.
Comfort and convenience are central to its design. A user-friendly digital control panel allows easy adjustment of time and temperature, while mobile app integration lets you pre-heat the cabin before you even step inside. With dual LED reading lights and flexible seating, it’s perfectly suited to both personal use and shared relaxation.
Enhance your sessions with the built-in entertainment system, including Bluetooth, FM radio, and USB MP3 functionality, supported by dual speakers for rich, immersive sound. An integrated oxygen ioniser keeps the air fresh and clear by reducing dust, allergens, and odours — ensuring a healthier atmosphere for every session.
For anyone in the UK looking to buy a sauna that balances spacious design, high-quality craftsmanship, and advanced features, this model represents outstanding value and long-term wellness investment.
Key Features
- Spacious Interior – W 1800mm × D 1800mm × H 1900mm; comfortably fits 2–6 people
- Infrared Carbon Heating – Carbon fibre panels and infrared light for deep, even warmth
- Advanced Controls – Digital panel plus smartphone app integration
- Entertainment System – FM radio, USB MP3, Bluetooth, and dual high-quality speakers
- Lighting – 2 LED reading lights for ambience and convenience
- Oxygen Ioniser – Actively refreshes and purifies the air
- Power Specs – 230V | Rated Power: 3200W
- Temperature Range – 18–65°C
- Session Timer – Adjustable from 1 to 99 minutes
- Assembly – Flat-packed with full instructions and video support
- Warranty – 1 year (electrical), 2 years (wood)
Electrical Information: This sauna must be hardwired into the property’s mains by a qualified electrician.
Features
- Dimensions: 180 × 180 × 190 cm
- Sauna Capacity: 2–6 Person
- Heating System: Infrared Carbon Fibre & Infrared Light
- Width: 1800 mm
- Depth: 1800 mm
- Height: 1900 mm
- Power Output: 3200 W
Heater Types & Benefits
- Carbon (Far IR-C): Gentle, even heat for consistent warmth
- Ceramic (Mid & Far IR-B/C): Quick warm-up with focused intensity
- Tourmaline (Far IR-C): Gentle warmth with calming effects
- Quartz (Near & Mid IR-A/B): Rapid heat, powerful deep penetration
FAQ
How much does it cost to run a sauna?
Running costs depend on wattage and usage time. Our saunas range from 2kW to 10kW. On average, an hour’s use costs between £0.50 and £2.50. For more details, use an electricity cost calculator.
What warranties do you offer?
- Electrical components: 1 year
- Wooden parts: 2 years
Are the saunas easy to assemble/install?
Yes. All saunas include clear assembly instructions. Most panels are secured with buckles or clamps, with minimal screwing required. Infrared saunas plug into a standard household socket, while traditional steam saunas must be hardwired to the mains by a qualified electrician.
How hot do the saunas get?
- Traditional steam saunas: 18–99°C, set via the control panel (0–90 mins).
- Infrared saunas: up to 65°C.
When should I add water to the stones?
Only add water once the stones are fully heated. Adding water too soon reduces steam quality and may damage the heater.
How do I know when the stones are hot enough?
The stones should feel intensely hot when you bring your hand close (without touching). Many heaters also have gauges – wait until it reads at least 300°F (approx. 150°C).
What type of water should I use?
Use clean, distilled water where possible. Tap water with high mineral content may cause limescale build-up over time.
Do I need to take anti-mould precautions?
Generally no, but if your sauna is in a very humid space, keep the area as dry as possible.
What cable size is required?
- 3000W saunas: 2.5 mm supply cable
- 4500W saunas: 4 mm supply cable
Do I need an RCD for a steam sauna?
Yes, RCD protection is required. Please consult a qualified electrician.
Is the sauna delivered assembled?
No, saunas are delivered flat-packed. Assembly is simple, with video and PDF guides included.
How long does it take to heat up?
At an ambient temperature of 10°C:
- ~15 minutes to reach 50°C
- ~30 minutes to reach 70°C
Does the exterior timber get hot?
The outside becomes warm but remains safe to touch, even for children.
Can the exterior be painted?
Yes, it can be painted with suitable wood-coloured paint.
What type of wood is used?
All our saunas are crafted from Canadian Hemlock.
What is an oxygen ioniser?
An optional negative ion generator that freshens the air. Please contact us for pricing.
Are stones included with the heater?
Yes, sauna stones are supplied – rinse thoroughly before use.
Does the control system include a mobile app?
Yes, the control panel includes app connectivity. Please check the product description for confirmation.
How much do replacement heater elements cost?
Please contact us for current pricing on replacement parts.
Delivery
Most saunas are delivered in 3–5 flat-packed boxes or in a single wooden crate (please see the table below for details).
This product is delivered to kerbside only. The driver is not required to carry the package beyond this point.
Packaging Information
- Sauna Type: Infrared Light Saunas
- Weight: 300 kg+
- Number of Boxes: 3–5
- Format: Flat-packed
- Description
- Features
- FAQ
- Delivery
- Delivery & Returns
Experience Relaxation on Your Terms
The 2–6 Person Infrared Relax Sauna is a spacious wellness retreat, beautifully crafted from Canadian Hemlock and designed to accommodate up to six users. Whether you’re hosting a wellness evening with friends or enjoying a quiet solo session, this powerful sauna provides deep, consistent infrared warmth through advanced carbon fibre heating panels and light technology — promoting muscle recovery, detoxification, and stress relief.
Comfort and convenience are central to its design. A user-friendly digital control panel allows easy adjustment of time and temperature, while mobile app integration lets you pre-heat the cabin before you even step inside. With dual LED reading lights and flexible seating, it’s perfectly suited to both personal use and shared relaxation.
Enhance your sessions with the built-in entertainment system, including Bluetooth, FM radio, and USB MP3 functionality, supported by dual speakers for rich, immersive sound. An integrated oxygen ioniser keeps the air fresh and clear by reducing dust, allergens, and odours — ensuring a healthier atmosphere for every session.
For anyone in the UK looking to buy a sauna that balances spacious design, high-quality craftsmanship, and advanced features, this model represents outstanding value and long-term wellness investment.
Key Features
- Spacious Interior – W 1800mm × D 1800mm × H 1900mm; comfortably fits 2–6 people
- Infrared Carbon Heating – Carbon fibre panels and infrared light for deep, even warmth
- Advanced Controls – Digital panel plus smartphone app integration
- Entertainment System – FM radio, USB MP3, Bluetooth, and dual high-quality speakers
- Lighting – 2 LED reading lights for ambience and convenience
- Oxygen Ioniser – Actively refreshes and purifies the air
- Power Specs – 230V | Rated Power: 3200W
- Temperature Range – 18–65°C
- Session Timer – Adjustable from 1 to 99 minutes
- Assembly – Flat-packed with full instructions and video support
- Warranty – 1 year (electrical), 2 years (wood)
Electrical Information: This sauna must be hardwired into the property’s mains by a qualified electrician.
- Dimensions: 180 × 180 × 190 cm
- Sauna Capacity: 2–6 Person
- Heating System: Infrared Carbon Fibre & Infrared Light
- Width: 1800 mm
- Depth: 1800 mm
- Height: 1900 mm
- Power Output: 3200 W
Heater Types & Benefits
- Carbon (Far IR-C): Gentle, even heat for consistent warmth
- Ceramic (Mid & Far IR-B/C): Quick warm-up with focused intensity
- Tourmaline (Far IR-C): Gentle warmth with calming effects
- Quartz (Near & Mid IR-A/B): Rapid heat, powerful deep penetration
How much does it cost to run a sauna?
Running costs depend on wattage and usage time. Our saunas range from 2kW to 10kW. On average, an hour’s use costs between £0.50 and £2.50. For more details, use an electricity cost calculator.
What warranties do you offer?
- Electrical components: 1 year
- Wooden parts: 2 years
Are the saunas easy to assemble/install?
Yes. All saunas include clear assembly instructions. Most panels are secured with buckles or clamps, with minimal screwing required. Infrared saunas plug into a standard household socket, while traditional steam saunas must be hardwired to the mains by a qualified electrician.
How hot do the saunas get?
- Traditional steam saunas: 18–99°C, set via the control panel (0–90 mins).
- Infrared saunas: up to 65°C.
When should I add water to the stones?
Only add water once the stones are fully heated. Adding water too soon reduces steam quality and may damage the heater.
How do I know when the stones are hot enough?
The stones should feel intensely hot when you bring your hand close (without touching). Many heaters also have gauges – wait until it reads at least 300°F (approx. 150°C).
What type of water should I use?
Use clean, distilled water where possible. Tap water with high mineral content may cause limescale build-up over time.
Do I need to take anti-mould precautions?
Generally no, but if your sauna is in a very humid space, keep the area as dry as possible.
What cable size is required?
- 3000W saunas: 2.5 mm supply cable
- 4500W saunas: 4 mm supply cable
Do I need an RCD for a steam sauna?
Yes, RCD protection is required. Please consult a qualified electrician.
Is the sauna delivered assembled?
No, saunas are delivered flat-packed. Assembly is simple, with video and PDF guides included.
How long does it take to heat up?
At an ambient temperature of 10°C:
- ~15 minutes to reach 50°C
- ~30 minutes to reach 70°C
Does the exterior timber get hot?
The outside becomes warm but remains safe to touch, even for children.
Can the exterior be painted?
Yes, it can be painted with suitable wood-coloured paint.
What type of wood is used?
All our saunas are crafted from Canadian Hemlock.
What is an oxygen ioniser?
An optional negative ion generator that freshens the air. Please contact us for pricing.
Are stones included with the heater?
Yes, sauna stones are supplied – rinse thoroughly before use.
Does the control system include a mobile app?
Yes, the control panel includes app connectivity. Please check the product description for confirmation.
How much do replacement heater elements cost?
Please contact us for current pricing on replacement parts.
Most saunas are delivered in 3–5 flat-packed boxes or in a single wooden crate (please see the table below for details).
This product is delivered to kerbside only. The driver is not required to carry the package beyond this point.
Packaging Information
- Sauna Type: Infrared Light Saunas
- Weight: 300 kg+
- Number of Boxes: 3–5
- Format: Flat-packed
Order Confirmation: As soon as you place your order, we will pre-authorise your card however your card will not be charged. We will then contact our supplier to confirm that the product you have purchased is available for immediate shipment. Once confirmed we will process the payment and your order will be dispatched straight away. If there is any delay such as an item which is on backorder, we will void the pre-authorisation and contact you to let you know.
Order Delivery: Once your order has been placed, assuming it is in stock and available for dispatch, we will charge your card and your order will be dispatched within 5 working days. We’ll send you tracking details by email within 24 hours of your order being dispatched. If you have not received tracking details within 6 working days, please reach out to us via email at contact@gymsphere.co.uk so that we can help.
Damages: We ask that you thoroughly inspect all items at the point of delivery. We advise you not to accept delivery of any damaged items. If you discover that an item has been damaged, please send clear photos of the damaged items
to contact@gymsphere.co.uk so that we can open an insurance claim on your behalf.
Cancellations & Refunds: Any orders cancelled after 48 hours of placing the order may be subject to additional fees. If your order has been dispatched, you (the buyer) will be responsible for any costs associated with returning the item. Any refunds can only be issued to the same payment method which was used to place the order.