# CenturaHeat 4 Person Full Spectrum Infrared Indoor Sauna

Designed to deliver consistent infrared performance across a larger seating layout, this model blends traditional craftsmanship with modern control systems, making it suitable for dedicated indoor wellness spaces.

## What This Product Is

This is a family infrared sauna constructed from premium Canadian Hemlock and engineered with dual heating technology. The cabin integrates carbon fibre panels alongside infrared light elements to provide steady, evenly distributed warmth.

## Intended Users

-   Families seeking a shared family infrared sauna
-   Buyers upgrading to a 4 person full spectrum sauna
-   Homeowners installing a full spectrum infrared sauna UK model
-   Households wanting a spacious bio sauna for home use

## Installation Environment

Designed for indoor residential installation in larger spare rooms, home gyms, or purpose-built relaxation areas with sufficient floor space and ventilation.

## Power and Setup Requirements

Rated Power: 3400W  
Voltage: 230V  
Amps: 20A

**Electrical Information (Please Note): This sauna requires an electrician to hardwire it into the property’s mains.**

## Capacity and Intended Use

Dimensions: 1800 x 1200 x 2000mm (W x D x H)

The interior comfortably accommodates four adults, offering balanced bench spacing for shared sessions.

## Heating System Overview

3400W dual heating system combining carbon fibre panels and infrared light elements.  
Temperature Range: 18–65ºC  
Session Duration: Up to 99 minutes

The heating configuration supports adjustable intensity and duration while maintaining even warmth throughout the cabin.

![](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/SAUNA-MARKS-300x60.png?v=1773931506)![ASI Accredited](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/FSC-CERTIFICATE-2022-new-updated-3.png?v=1773931510) ![Forest Stewardship Council Mark of responsible forestry. Sustainably sourced wood](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/CMT-1187-SustainabilityArticle-Tile002_UK-2-copy2-300x145.png?v=1773931513)

### Key Features

-   3400W combination of carbon fibre and infrared light heating
-   Computer Control System for temperature and timer adjustment
-   Mobile App Control for remote operation
-   FM Radio, USB MP3, Bluetooth streaming
-   2 built-in speakers
-   2 LED reading lights
-   Optional coloured star lights
-   Optional Oxygen Ionizer
-   Rated Power: 3400W
-   Voltage: 230V
-   Amps: 20A
-   Dimensions: 1800 x 1200 x 2000mm
-   Warranty: 1 year for electrical parts, 2 years for wood
-   Assembly: Flat-packed with full instructions and instructional video

### Accessories/Parts Included

-   Towel Rack
-   Bucket and Ladle
-   Sand Timer
-   Thermo-Hygrometer
-   Oxygen Ionizer (Optional)

[Explore all sauna models here](https://prolinedirect.co.uk/product-category/home/sauna/)  

###   
Instructions

Control Panel/Mobile App

[Download](https://wp.prolinedirect.co.uk/product/4-person-full-spectrum-infrared-indoor-sauna/?attachment_id=11294&download_file=fbwnusq0wxbs9)

## Details

- **Price:** 2504.0 GBP
- **Vendor:** Centuraheat

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2504.00 GBP | In stock |

## Images

- CenturaHeat 4 Person Full Spectrum Infrared Indoor Sauna
- Wooden infrared sauna with glowing lights 
- Wooden sauna with infrared lights on a white background
- Wooden sauna interior with ceiling lights
- Wooden sauna with infrared panels
- Infrared sauna with wooden walls and ceiling, featuring a control panel.
- Technical drawing of CenturaHeat 4 Person Full Spectrum Infrared Indoor Sauna

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> Source: [Pro-Line Direct](https://prolinedirect.co.uk/products/4-person-full-spectrum-infrared-indoor-sauna)
> Updated: 2026-06-02