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.
Red Cedar · 3600x2500 mm · Bangkok
Teak · 1850x2350 mm · Hua Hin
Teak · 5000x2000 mm · Bangkok
Mixed wood · Varies mm · All over
Teak · 2400 mm · Mae Sai
Pine · 2200x2200 mm · Bangkok
Every Sisu Sauna ships with an interactive assembly manual built for your exact build — not a generic guide. Here's how it works.
Good ventilation in your indoor sauna room prevents moisture damage and mould — here's what to do, especially in Thailand's already-humid climate.
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.
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.
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.
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.
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 →