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
Teak · 2000x2000 mm · Jomtien, Chonburi
Teak · 1850x2350 mm · Hua Hin
Pine · 1200x1700 mm · Koh Phangan
Pine · 1800x1700 mm · Chiang Mai
Mixed wood · Varies mm · All over
Teak · 5000x2000 mm · Bangkok
Unlike a built-in kitchen or that sofa you'll never move again, a Sisu Sauna is built in sections — so when you move house, it comes with you.
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.
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.
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.
Electric heaters are the practical choice for most Thai sauna builds — but wood-fired is available, and a gas option is on the way.
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.
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 →