Custom outdoor and indoor saunas — Finnish in soul, with real löyly — plus ice baths, chillers and accessories. Designed, built and delivered across Thailand by the same Finnish-rooted team since 2020.
Take a 2-minute quiz — discover your sauna spirit, or get a real model recommendation and price.
Fah, Narak and Barrel — built to your dimensions, wood and heater.
Cedar, teak and stainless plunge tubs — Finland's winter ice-hole dip, rebuilt for Thailand.
½ HP to 2 HP — sized for Thai ambient. Hose, filter and starter kit included.
Electric and wood-fired sauna heaters, sized to your room — stones and controls included.
Buckets, ladles, stones, controls, lighting, signage and more.
Build your sauna in the browser — pick size, wood and heater, get a price instantly.
Use the 3D designer or send us a sketch. We work to your wall, your power, your space.
Hand-built in our workshop, the way saunas are made in Finland. We use teak, pine and red cedar — kiln-dried, food-safe finishes only.
Delivered and installed nationwide. Heater wired, first heat-up with you on-site.
The same 3D model you configure in the designer is the sauna we hand-build. Drag the handle to compare — or just watch it change.
3D Design
Built by Sisu
Panoramic commercial sauna
Pine · 1800x1700 mm · Chiang Mai
Teak · 2000x2000 mm · Jomtien, Chonburi
Teak · 2400 mm · Mae Sai
Mixed wood · Varies mm · All over
Red Cedar · 3600x2500 mm · Bangkok
Pine · 1200x1700 mm · Koh Phangan
Real electricity cost examples for 3–15 kW sauna heaters at Thai power rates — so you know exactly what to budget before you buy.
Every Sisu Sauna ships with an interactive assembly manual built for your exact build — not a generic guide. Here's how it works.
A thin 38 mm solid wall might look fine on day one — but it won't stay that way. Here's what proper insulated construction actually does for your sauna.
We're developing a new ice shower for home and commercial use — built right here in Thailand. Here's why it might suit you better than an ice bath.
Teak handles steam-room humidity better than almost any other wood — but it's not maintenance-free. Here's an honest look at why it works, where it falls short, and how to care for it.
Good sauna ventilation doesn't need wall vents or roof holes. Learn how floor gaps and a door gap move fresh air in — and CO₂ out — naturally.


The complete designer covers every Fah, Narak and Barrel build — glass, heater, benches and more, with live pricing and instant quotes.
Open the full 3D builder →