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Electric Sauna Heaters

Experience Sauna Reinvented

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Simplicity is a Good Thing

We have trail-blazed the sauna industry for over 100 years. We now introduce the only multilayered sauna experience on the market. A new dimension in modern sauna solutions. And it is handmade in Finland, as usual.

Throwing steam on sauna rocks

A Sauna That Changes With You

The BioWater Technique-ready sauna provides a multidimensional experience of pleasure and relaxation in true Finnleo fashion. A multitude of sauna experiences in one single and ingenious sauna solution.

Himalaya heater

One Heater. Multiple Sensations.

Indulge in a multilayered sauna experience. The flexibility of BioWater Technique opens up a number of opportunities for pleasurable sauna experiences that you can all enjoy.


Two Sauna Types From One Heater

BioWater Technique makes it all possible.


Fill BioWater Technique water container and set temperature to:

140-175 º F

  • More humidity
  • Lower temperature
  • A gentle sauna experience
  • Bio-aroma available

Hot & Dry Sauna

Use BioWater Technique without water and set temperature to:

175-190 º F

  • High temperature
  • Lower humidity (adjust humidity by the amount of water sprinkled on the rocks)
  • Intense sauna sensation
  • A great, traditional Finnish sauna experience

We have a network of authorized dealers throughout North America.

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Custom Design

Our authorized Finnleo dealer network is available to help you design your dream sauna.

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World Class Support

Our knowledgeable staff is available to answer questions and help plan your sauna.

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Industry leading warranty backed by America’s #1 sauna company.

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