unwind in your own outdoor sauna

A modern outdoor sauna, with its unique cubical shape, made to effortlessly relax while enjoying the benefits and privacy of your own garden. Thermalux redefines the concept of home wellness by giving it a true upgrade. Focussing on the user experience and making it all about your well-being.

Our outdoor saunas are designed to either be placed freestanding or combined with other wellness products. A standard version or a fully custom-maid model that really matches your personality and garden design.

Product characteristics

Standard or tailor-made?

Our outdoor sauna design is the same as our indoor version, but only more isolated and treated with a UV-resistant coat of polyester lacquer, making it impermeable. That way, your steam room is ready to take on all types of weather conditions.
Going for a full concept where your sauna matches the colour and design of your house or windows?  Besides black, white or inox look, you can choose any RAL colour you want.  

The inside is covered with thermo ayous and our finish is standard black or white, but the choice is completely yours. We make sure all of the materials are heat and humidity resistant. 

Our saunas are available in different versions. In addition to the standard Finnish sauna, we can also offer it as a bio sauna, also known as a sanarium.

The bio sauna or sanarium is a mildly warm sauna with typical temperatures between 45 and 60 degrees Celsius. The humidity is generally between 50 and 70 percent. Aroma infusions are typical of the bio sauna. The bio sauna is also called soft sauna, soft sauna or mild sauna because of the climate. It feels like a tropical heat, unlike the dry Finnish sauna.

The bio ovens we use therefore offer you a 3 in 1 solution. You can take a dry Finnish sauna, a Bio or tropical bath and an aroma bath, also in combination with infrared.

Our outdoor saunas are available in a wide variety of sizes and models, but we are more than happy to make a tailor-made design. Do you prefer to create some additional space by providing a shower or changing room? Less glass or lots of frosted glass doors? We’ll draw up the steam room that makes your heart beat faster.


Cannot wait to start designing and customizing your very own outdoor sauna? Take a look at our brochure and be inspired by our indoor models and infinite options. Would you like some more information or advice? Please, don’t hesitate to contact us for a custom quote. 


Prachtig product! We genieten dagelijks van de luxe en rust die onze Thermalux sauna geeft. De berging is ruim en het cederhout zeer proper afgewerkt. Een aanrader!
Jonathan de Ramaix
I ordered my Thermalux sauna without having seen it in reality. A Belgian sauna to Sweden! I simply took a chance. But I was not disappointed. The sauna became "the cherry on the cake" at our retreat by the lake.
Ulf Wahlström
Super tevreden over de mooie op maat installatie van Thermalux. Prima service en tot in de puntjes verzorgd. Heel tevreden klant. In deze moeilijke Corona tijden niet altijd evident!
Kato Maes
Le sauna a traversé la France et a été installé à Marseille ! Il séduit tous les hôtes de passage dans notre maison (y compris nous même très adepte des saunas). De très bonne facture et magnifiquement design il s'intègre parfaitement dans notre jardin. Je recommande vivement.
Christine ROUX
De bestelling en de plaatsing van onze IR sauna verliep zeer vlot. Ook enkele kleine aanpassingen nadien werden vakkundig opgelost. Goede service dus van begin tot einde.
Christophe Jacobs
Prachtige buitensauna; voortreffelijke service; we zijn er hartstikke blij mee. Een genot om naar te kijken en in te zitten. Dankjewel Mario!
Mariëlle Oomen-Hulst
reeds 2 maanden een PUU2 met infrarood en met houtkachel ; top product en top service ; prachtig design en plaats voor 6 zittenden (echt leuk) ; donkerglas aan te raden als je buren hebt !!
Jan Vanthuyne