Legendary World No. 1 tennis player PAT RAFTER chooses SDS Australia because quality matters.

SAVE UP TO 40% – PRE-ORDER SPECIAL

Person sitting next to Harvia Onyx Infrared Sauna.

Harvia ‘Onyx’ Full Spectrum Infrared Cedar Sauna – Natural Edition

From $4,777

Legendary World No. 1 tennis player PAT RAFTER chooses SDS Australia because quality matters.

Global Pioneers in Sauna Heating Technology

SAVE UP To 40%

PRE-ORDER OFFER – ENDS WHEN STOCK LANDS

Experience next-level recovery with the Harvia ‘Onyx’ Natural Edition Infrared Sauna. Exclusive to SDS Australia and crafted by Harvia, the global leader in sauna innovation, the ‘Onyx’ blends cutting-edge wellness tech with timeless design. Available in 1-person and 2-person models, this premium full-spectrum infrared sauna features a luxurious, aromatic Canadian Red Cedar interior.

Model

Clear

Select model:Clear

One

Capacity 1-person

Original price was: $6,299.Current price is: $4,777. inc GST

Duo

Capacity 2-persons

Original price was: $9,405.Current price is: $5,650. inc GST

Assembly of the sauna should be carried out by someone with appropriate building experience. If needed, we can recommend a sauna builder in your area.

Fast shipping Australia-wide

Australian after-sales support

Premium-quality materials

Easy 30-day returns

Any questions? We’re here to help. Send us an enquiry or chat with one of our Sauna experts.

Enquire Now

Overview
Key Features
Product Brochures

Buy Now

Overview

A World-Class Infrared Sauna in a Natural Timber Finish

The ‘Onyx’ Natural is the result of a world-class collaboration between Harvia, Europe’s legendary sauna pioneer, and SDS Australia, the country’s leading sauna authority for over 20 years.

Designed specifically for indoor installation, its natural hemlock exterior brings warmth and texture to contemporary interiors, making it an elegant addition to a home gym, bathroom, wellness room or dedicated relaxation space.

Finished with a natural hemlock exterior and a premium red cedar interior, the Onyx Natural combines timeless timber aesthetics with advanced infrared performance.

Available in two impeccably designed sizes – the compact One for solo relaxation and the spacious Duo for two – the ‘Onyx’ Natural delivers premium infrared performance for those who demand wellness without compromise.

Harvia 'Onyx' Full Spectrum Infrared Cedar Sauna – Natural Edition
Capacity	1 Person, 2 Persons
Infrared Heaters	2 x Harvia HVIS 350 Full Spectrum Heaters + 4x Carbon Infrared Panels
Control Panel	LED Touchscreen
Exterior Timber	Hemlock (natural finish)
Interior Timber	Red Cedar
Dimensions	W1040 x D1000 x H2000mm (One), W1300 x D1043 x H2000mm (Duo)
Heater Compatibility	Infrared
Wifi Enabled	Remote control through mobile app
Bluetooth Enabled	Play audio wirelessly from your device

Key Features

Infographic-style wooden sauna with callouts for elite side-mounted radiator panels, full-spectrum infrared heater, and calf heater.

Premium Red Cedar Interior

The rich appearance and natural aroma of premium red cedar enhance the interior of the Onyx while creating a warm and calming atmosphere during every infrared sauna session.

Advanced Harvia Infrared Technology

State-of-the-art Harvia VitaMy® IR Full Spectrum Heaters — two in the Duo and one in the One — work alongside four carbon infrared panels to produce consistent, muscle-relaxing heat.

Powered by Harvia’s innovative VitaMy® IR radiators, the Onyx delivers rapid warm-up and efficient full-spectrum infrared performance.

Smart Touchscreen Control Panel

Manage your sauna experience through a sleek and intuitive touchscreen interface. Adjust the temperature, lighting and session time with a simple tap.

Bluetooth Audio & LED Lighting

Enhance every session with immersive sound and ambient light.

Wi-Fi Enabled

Control selected sauna functions remotely using your smartphone or tablet for greater flexibility and convenience.

Designed for Indoor Living

Created specifically for indoor use, the Onyx Natural is a refined wellness solution for modern homes. Its clean architectural lines and light natural hemlock exterior allow it to blend effortlessly into bathrooms, home gyms, wellness rooms and other contemporary interiors.

Easy Assembly & Portability

Thoughtfully engineered for straightforward DIY assembly and easy relocation, making it suitable for both permanent installations and flexible wellness spaces.