Custom outdoor and indoor saunas, ice baths, chillers and accessories — designed, built and delivered across Thailand by the same team since 2020.
Fah, Narak and Barrel — built to your dimensions, wood and heater.
Cedar, teak and stainless plunge tubs. Single and double seats.
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. 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 glass cube
Mixed wood · Varies mm · All over
Pine · 1800x1700 mm · Chiang Mai
Teak · 2000x2000 mm · Jomtien, Chonburi
Pine · 2200x2200 mm · Bangkok
Teak · 1850x2350 mm · Hua Hin
Teak · 2400 mm · Mae Sai
Finns have known it for centuries — a daily sauna session does far more than make you sweat. Here's what the science (and your body) will tell you.
Good ventilation in your indoor sauna room prevents moisture damage and mould — here's what to do, especially in Thailand's already-humid climate.
Thinking about a sauna but unsure whether to buy custom-built or an imported flat-pack? Here's an honest side-by-side to help you decide.
Design your custom sauna in minutes with our 3D builder — pick size, wood and heater, save your design, and we'll take it from there.
Every Sisu Sauna ships with an interactive assembly manual built for your exact build — not a generic guide. Here's how it works.
A Finnish newspaper noticed that a Finn in Thailand is building saunas. Shocking, we know.
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 →