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CenturaHeat

CenturaHeat 4 Person Combination Bio Indoor Sauna - 6100W

CenturaHeat 4 Person Combination Bio Indoor Sauna - 6100W

Regular price £3,744.00 GBP
Regular price Sale price £3,744.00 GBP
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Enjoy the best of both worlds with the 4 Person Combination Bio Indoor Sauna, a versatile hybrid sauna that seamlessly blends traditional steam heat with advanced infrared therapy. Crafted from premium Canadian Hemlock and precision-engineered for comfort, this four-person sauna is designed to fit neatly into corner spaces while offering a spacious and luxurious wellness experience.

Whether you prefer a short, invigorating session or a longer, detoxifying soak, this 4 person hybrid sauna allows you to use traditional heat, infrared heat, or both together — giving you complete control over your wellbeing routine from the comfort of your home.

Dual Heating for a Fully Custom Experience

Powered by a combination system delivering up to 6100W, this indoor home sauna lets you switch between:

  • The intense, classic heat of a traditional sauna stove, or

  • The gentle, deep-penetrating warmth of carbon fibre infrared panels.

Infrared settings can be managed via the digital Computer Control Panel or the Mobile App Control System, providing flexibility and convenience at your fingertips.

Key heating specifications:

  • Rated power: 6100W (combined)

  • Temperature range: 18–99ºC

  • Session timer: 1–99 minutes

  • Voltage: 230V

Built-In Comfort, Technology & Atmosphere

This premium indoor combination sauna is packed with features for relaxation and entertainment:

  • Control systems: Easy-to-use digital panel and mobile app

  • Audio: FM radio, USB MP3 playback, Bluetooth connectivity, and two built-in speakers

  • Lighting: LED reading light, coloured light belt, plus optional coloured star lights

  • Air quality: Integrated Oxygen Ioniser for cleaner, fresher air

Spacious, Stylish & Practical Design

With its symmetrical footprint and corner-friendly layout, this sauna is ideal for couples, families, or small groups who want the benefits of both traditional and infrared therapy in one elegant unit. The natural Canadian Hemlock finish brings warmth, durability, and a refined aesthetic to any indoor wellness space.

Included Accessories

  • Towel rack

  • Wooden bucket and ladle

  • Sand timer

  • Thermo-hygrometer

  • Sauna stones (rinse before use)

  • Oxygen Ioniser

Warranty & Assembly

  • Warranty: 1 year on electrics, 2 years on wood

  • Assembly: Delivered flat-packed with full instructions and video guide

Important Electrical Notice

The traditional sauna stove operates independently and is not compatible with Wi-Fi, Bluetooth, or control panels. Both the infrared system and the stove require separate hardwired connections to your property’s mains. The traditional stove is controlled manually via its built-in dials. Professional electrician installation is required.

Specifications
Weight 345 kg
Dimensions 180 × 180 × 200 cm
Sauna Size

4 Person

Heater Type

Infrared Carbon Fiber, Infrared Light

Width (mm)

1800

Depth (mm)

1800

Height (mm)

2000

Power

6100W

 

Heater Type Wavelengths Strengths
Carbon Far (IR-C) Gentle, even heat
Ceramic Mid, Far (IR-B/C) Fast warm-up, focused heat
Tourmaline Far (IR-C) Gentle warmth, calming effect
Quartz Near, Mid (IR-A/B) Rapid, powerful heatHybrid
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Description

Enjoy the best of both worlds with the 4 Person Combination Bio Indoor Sauna, a versatile hybrid sauna that seamlessly blends traditional steam heat with advanced infrared therapy. Crafted from premium Canadian Hemlock and precision-engineered for comfort, this four-person sauna is designed to fit neatly into corner spaces while offering a spacious and luxurious wellness experience.

Whether you prefer a short, invigorating session or a longer, detoxifying soak, this 4 person hybrid sauna allows you to use traditional heat, infrared heat, or both together — giving you complete control over your wellbeing routine from the comfort of your home.

Dual Heating for a Fully Custom Experience

Powered by a combination system delivering up to 6100W, this indoor home sauna lets you switch between:

  • The intense, classic heat of a traditional sauna stove, or

  • The gentle, deep-penetrating warmth of carbon fibre infrared panels.

Infrared settings can be managed via the digital Computer Control Panel or the Mobile App Control System, providing flexibility and convenience at your fingertips.

Key heating specifications:

  • Rated power: 6100W (combined)

  • Temperature range: 18–99ºC

  • Session timer: 1–99 minutes

  • Voltage: 230V

Built-In Comfort, Technology & Atmosphere

This premium indoor combination sauna is packed with features for relaxation and entertainment:

  • Control systems: Easy-to-use digital panel and mobile app

  • Audio: FM radio, USB MP3 playback, Bluetooth connectivity, and two built-in speakers

  • Lighting: LED reading light, coloured light belt, plus optional coloured star lights

  • Air quality: Integrated Oxygen Ioniser for cleaner, fresher air

Spacious, Stylish & Practical Design

With its symmetrical footprint and corner-friendly layout, this sauna is ideal for couples, families, or small groups who want the benefits of both traditional and infrared therapy in one elegant unit. The natural Canadian Hemlock finish brings warmth, durability, and a refined aesthetic to any indoor wellness space.

Included Accessories

  • Towel rack

  • Wooden bucket and ladle

  • Sand timer

  • Thermo-hygrometer

  • Sauna stones (rinse before use)

  • Oxygen Ioniser

Warranty & Assembly

  • Warranty: 1 year on electrics, 2 years on wood

  • Assembly: Delivered flat-packed with full instructions and video guide

Important Electrical Notice

The traditional sauna stove operates independently and is not compatible with Wi-Fi, Bluetooth, or control panels. Both the infrared system and the stove require separate hardwired connections to your property’s mains. The traditional stove is controlled manually via its built-in dials. Professional electrician installation is required.

Specifications
Weight 345 kg
Dimensions 180 × 180 × 200 cm
Sauna Size

4 Person

Heater Type

Infrared Carbon Fiber, Infrared Light

Width (mm)

1800

Depth (mm)

1800

Height (mm)

2000

Power

6100W

 

Heater Type Wavelengths Strengths
Carbon Far (IR-C) Gentle, even heat
Ceramic Mid, Far (IR-B/C) Fast warm-up, focused heat
Tourmaline Far (IR-C) Gentle warmth, calming effect
Quartz Near, Mid (IR-A/B) Rapid, powerful heatHybrid
Price Match, Delivery & Returns

Price Match Promise:
We’re committed to fair, competitive pricing. If you find the same product for less from an authorised UK retailer, we’ll review it and match where possible - see our Price Match Policy for full details and conditions.

UK Mainland Delivery:

  • We offer free UK mainland delivery on all orders over £250.
  • Orders under £250 are subject to a flat rate of £7.99.

Remote Areas & Offshore Locations:
Additional charges may apply for deliveries to:

  • Scottish Highlands and Islands
  • Northern Ireland
  • Isle of Man, Isle of Wight, Channel Islands, and other offshore UK territories

Delivery times to these areas may also take slightly longer.

International Shipping:
At present, GymSphere delivers to UK addresses only. For international enquiries, please contact our customer support team before placing your order.

Order Confirmation: 
When you place an order, we process payment immediately at checkout. Once your payment has been successfully processed, you will receive an order confirmation email containing your order details.

Pre-Orders: 
When you purchase a pre-order item, you are reserving a soon-to-be-available product not yet in stock. Full payment is processed at the time of purchase to secure your item.

Estimated delivery times are provided on the product page, and we will keep you updated throughout.

You may cancel a pre-order that has not yet been fulfilled for a full refund. If your pre-order has already been fulfilled, you can still request a return upon receipt of the item, see our Returns Policy for more details.

Backorder:
When you purchase a backorder item, you are reserving an out-of-stock product not currently in inventory. Full payment is processed at the time of purchase to secure your item for the next available shipment.

Estimated delivery times are provided on the product page, and we will keep you updated throughout.

You may cancel a backorder that has not yet been fulfilled for a full refund. If your backorder has already been fulfilled, you can still request a return upon receipt of the item, see our Returns Policy for more details.

Gift Cards:
All gift cards are digital and delivered by email to the recipient. Gift cards can be redeemed online only and have no cash value. They are non-refundable and cannot be exchanged or returned. Gift cards do not expire unless otherwise stated. Please ensure the recipient’s email address is entered correctly at checkout, as we cannot be held responsible for delivery to an incorrect address.
Full Gift Card Terms & Conditions apply.

Promotions and Discounts

Discounts are automatically applied at checkout or via promo code on selected items. Offers are valid for a limited time and may not be combined with other promotions. Refunds follow our standard Returns Policy. Full details are in our Promotions and Discounts Policy.

Order Delivery: 
If your item is in stock and available for dispatch, your payment will be processed, and your order will usually be dispatched within 3 working days. Delivery typically occurs within 3 working days of dispatch (UK mainland).

You will receive tracking details by email within 24 hours of dispatch.

If you have not received tracking information within 5 working days of placing your order, please email contact@gymsphere.co.uk and we will be happy to assist.

If, for any reason, your order is expected to be delayed, we’ll contact you promptly to update you and discuss next steps.

Lost or Damaged: 
Please carefully inspect all items at the point of delivery. If any items appear damaged, we strongly recommend not accepting the delivery.

If you discover damage after accepting delivery, please email clear photographs of the affected items to contact@gymsphere.co.uk so we can raise an insurance claim on your behalf.

In the unlikely event that an item is lost in transit, we will investigate with our courier. Once confirmed, we will either issue a full refund or send a replacement free of charge

Cancellations & Refunds: 
If your order has not yet been processed for dispatch, you may request cancellation. Your payment will be refunded in full to your original payment method within 14 days of confirmation.

Refunds can only be made to the original payment method used at checkout.

Right to Cancel: 
You have the legal right to cancel your order within 14 days of receiving your goods for any reason.

To start a return, please contact us at contact@gymsphere.co.uk. Once items are returned in their original condition and packaging, we’ll process your full refund within 14 days of receiving the returned goods.

Please note that this right does not apply to:

  • Custom-made or personalised products
  • Goods that have been installed or assembled
  • Products that cannot be returned for hygiene reasons once opened (e.g. certain wellness items)

For standard returns that are not due to damage, fault, or error, a 15% handling and restocking fee may apply to cover inspection and repacking costs. This fee reflects the direct cost of inspection and repackaging and is not applied to faulty or damaged returns.

Be aware that for large commercial items, refusing delivery or returning items that don't fit will also incur freight charges.

All other returns are free of charge.

Business Orders:
These terms apply to consumer purchases only. Trade and commercial orders may be subject to separate terms and conditions.

Contact Us
Please contact our support team:

📧 contact@gymsphere.co.uk

📞 0333 090 5975

You can also use our contact form here

Or via post at:

SC Ecommerce Ltd
128 City Road, London,
EC1V 2NX
Company Number: 16313019