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What makes this sauna unique

Designed for outdoor longevity

ThermoWood® is wood treated at high temperatures without the addition of chemicals. This natural process reduces its moisture content, improves its dimensional stability, and enhances its resistance to climatic variations, humidity, and insects.

Ideal for outdoor installation, it retains its elegance through the seasons and guarantees superior longevity, perfectly suited for a high-end sauna.

Designed and manufactured in Europe

Each sauna is developed and assembled in Europe according to demanding quality and precision standards. This controlled manufacturing process ensures rigorous control of materials, finishes, and technical performance.

European expertise ensures structural durability, a refined aesthetic, and long-term reliability, positioning the product in a resolutely premium approach.

An aesthetic that reflects you

Choose the facade that matches your environment and usage: a large glass surface for total immersion in the landscape, or a more intimate version to preserve your tranquility.

At the rear, opt for an elegant half-moon glass panel allowing natural light to enter, or a more enveloping solid wall. Each configuration allows the sauna to be adapted to your architectural vision.

The sauna ritual in its purest form

Equipped with an electric stove with volcanic stones, the sauna recreates the authentic experience of the Finnish ritual. By pouring water over the heated stones, a dense and homogeneous steam gradually diffuses, enveloping the space with controlled heat. This gentle and immersive rise in temperature provides deep relaxation and lasting well-being, respecting the traditional codes of the Nordic sauna.

  • Warm atmosphere

    LED lighting for a warm ambiance & spacious abachi benches

  • Warm atmosphere

    LED lighting for a warm ambiance & spacious abachi benches

Premium equipment levels,

carefully designed for your well-being

Technical specifications

The Onyxia Range

Onyxia Cube

Onyxia Cube

Capacity
4 seated places or 2 lying down
Floor dimensions
166 x 212 cm
External dimensions
210 x 160 x 220 cm
Stove power
Recommended electric stove from 4.5 kW (not included)
Temperature
Up to 85°C
Accessories
1 floor protection mat included
Bench
Double bench height
Equipment
LED strip
Power supply
220/240V
Accessories
Traditional sauna kit included (Bucket, ladle, thermometer/hygrometer, hourglass)
Door
8mm secure glass door
Warranty
Electronics 2 years / Woodwork 4 years
Onyxia Barrel

Onyxia Barrel

Capacity
6 seated places or 2 lying down
Floor dimensions
240 x 220 cm
External dimensions
225 x 240 x 226 cm
Stove power
Compatible with a 6 to 8 kW electric stove, or a wood-burning stove
Temperature
Up to 85°C
Accessories
Traditional sauna kit included (Bucket, ladle, thermometer/hygrometer, hourglass)
Bench
2 benches facing each other
Equipment
Outdoor terrace – Rear half-moon window – LED strip
Power supply
220/240V
Door
8mm secure glass door
Warranty
Electronics 2 years / Woodwork 4 years

Tempted by our saunas?

Find your ideal sauna at one of our dealers near you. They offer a wide range of saunas suited to all your needs.

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Our sauna accessories

The essentials for a better wellness experience

Still not sure?

Discover other saunas from the Holl’s range, designed to suit your expectations, your space, and your lifestyle.