Ancient Technology
for Modern Life
Built for People
Who Know the Difference
Sauna isn’t décor. It’s thermodynamics, airflow, and human physiology working together.
Proper ceiling height. Correct bench elevation. Engineered ventilation. Heat that surrounds you — not blasts you.
When these fundamentals are ignored, you don’t get sauna. You get a hot room.
Many modern “saunas” are designed for convenience, shipping, or trend appeal. Few are designed around the ritual itself.
We build the way sauna has always been built — as architecture, not equipment.
The result is deeper heat, better circulation, and a structure that will still be standing decades from now.
Because real sauna is more than heat. It’s a ritual.
Custom Outdoor Saunas
Built in Woodinville, WA
Woodinville Sauna designs and builds traditional outdoor saunas for homeowners in Woodinville, Seattle, Bellevue, and across the Pacific Northwest.
We specialize in architecturally built, wood-fired and electric Finnish-style saunas designed as permanent backyard structures — not prefabricated kits or temporary installations.
Each sauna is custom-built with proper insulation, ventilation, and bench geometry to deliver authentic convection heat and long-term durability in the Pacific Northwest climate.