CenturaHeat
CenturaHeat 4-6 Person Outdoor Wood Barrel Sauna
CenturaHeat 4-6 Person Outdoor Wood Barrel Sauna
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Estimated Delivery: 31st December 2025 to 15th January 2026
Relax and rejuvenate in the comfort of your own garden with the 4–6 Person Outdoor Porch Wood Barrel Sauna. Beautifully crafted from premium Canadian Spruce, this sauna combines traditional heat therapy with timeless design, bringing natural warmth and wellness just steps from your door. Ideal for family gatherings or peaceful solo sessions, it creates a truly restorative escape at home.
The integrated porch extends the experience, offering a space to cool down between sessions or simply enjoy the fresh air. Inside, the curved barrel structure maximises heat efficiency, while the powerful 6000W stove delivers consistent, authentic steam.
Key Features
- 6000W Stove: Heats quickly and evenly for up to six users.
- Manual Controls: Easy-to-use dial system for temperature and timer settings.
- Explosion-Proof Light: Safe and reliable, even in high heat.
- Oxygen Ioniser: Improves air quality for a fresher, cleaner atmosphere.
- Performance: 18–99ºC / 1–99 minutes
- Voltage: 230V
- Dimensions: 1800 × 2400 × 1800 mm
What’s Included
- Roofing felt tiles
- Bucket & ladle
- Sand timer
- Thermo-hygrometer
- Sauna stones (rinse before use)
- Oxygen ioniser
Build & Assembly
Crafted from durable, aromatic Canadian Spruce, this sauna is designed for both beauty and longevity. Delivered flat-packed with a full manual and video guide, it can be assembled by two people using standard tools. ⚡ Please note: this sauna must be hardwired into your mains by a qualified electrician.
Designed for Stillness, Built for Life
Owning a sauna at home means no waiting, no shared facilities, and no compromises. Just like the comfort of returning to your own bed, this sauna offers privacy, control, and the freedom to enjoy wellness on your terms.
Features
- Dimensions: 180 × 240 cm
- Capacity: 4–6 people
- Heater Type: Traditional sauna stove
- Width: 1800 mm
- Depth: 2400 mm
- Height: 1800 mm
-
Power Output: 6000W
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 packaging table below for details).
This product is delivered to kerbside only. The driver is not obliged to move the package beyond this point.
Packaging Information
- Sauna Type: Wood Barrel Saunas
- Weight: 616 kg+
- Packaging: 1 wooden crate
- Description
- Features
- FAQ
- Delivery
- Delivery & Returns
Estimated Delivery: 31st December 2025 to 15th January 2026
Relax and rejuvenate in the comfort of your own garden with the 4–6 Person Outdoor Porch Wood Barrel Sauna. Beautifully crafted from premium Canadian Spruce, this sauna combines traditional heat therapy with timeless design, bringing natural warmth and wellness just steps from your door. Ideal for family gatherings or peaceful solo sessions, it creates a truly restorative escape at home.
The integrated porch extends the experience, offering a space to cool down between sessions or simply enjoy the fresh air. Inside, the curved barrel structure maximises heat efficiency, while the powerful 6000W stove delivers consistent, authentic steam.
Key Features
- 6000W Stove: Heats quickly and evenly for up to six users.
- Manual Controls: Easy-to-use dial system for temperature and timer settings.
- Explosion-Proof Light: Safe and reliable, even in high heat.
- Oxygen Ioniser: Improves air quality for a fresher, cleaner atmosphere.
- Performance: 18–99ºC / 1–99 minutes
- Voltage: 230V
- Dimensions: 1800 × 2400 × 1800 mm
What’s Included
- Roofing felt tiles
- Bucket & ladle
- Sand timer
- Thermo-hygrometer
- Sauna stones (rinse before use)
- Oxygen ioniser
Build & Assembly
Crafted from durable, aromatic Canadian Spruce, this sauna is designed for both beauty and longevity. Delivered flat-packed with a full manual and video guide, it can be assembled by two people using standard tools. ⚡ Please note: this sauna must be hardwired into your mains by a qualified electrician.
Designed for Stillness, Built for Life
Owning a sauna at home means no waiting, no shared facilities, and no compromises. Just like the comfort of returning to your own bed, this sauna offers privacy, control, and the freedom to enjoy wellness on your terms.
- Dimensions: 180 × 240 cm
- Capacity: 4–6 people
- Heater Type: Traditional sauna stove
- Width: 1800 mm
- Depth: 2400 mm
- Height: 1800 mm
-
Power Output: 6000W
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 packaging table below for details).
This product is delivered to kerbside only. The driver is not obliged to move the package beyond this point.
Packaging Information
- Sauna Type: Wood Barrel Saunas
- Weight: 616 kg+
- Packaging: 1 wooden crate
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.