sales@sauna.in.th
Sisu Sauna
Finnish soul · Hand-built in Thailand · Est. 2020

Saunas built around your space — not the other way round.

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.

Built by Sisu sauna.in.th

Which sauna is your kind of sauna?

Take a 2-minute quiz — discover your sauna spirit, or get a real model recommendation and price.

How it works

Pick a model, tweak the details, get a price — same day.

01

Design

Use the 3D designer or send us a sketch. We work to your wall, your power, your space.

02

Build

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.

03

Install

Delivered and installed nationwide. Heater wired, first heat-up with you on-site.

Design → Reality

What you design is exactly what we build.

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.

Panoramic commercial sauna Panoramic commercial sauna 3D Design Built by Sisu Panoramic commercial sauna
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Recent builds

Saunas we have designed & delivered

Chiang Mai custom build for a nice customer

Pine · 1800x1700 mm · Chiang Mai

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Boxing Champion bought our custom sauna in Jomtien

Teak · 2000x2000 mm · Jomtien, Chonburi

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Teak Barrel Sauna in Mae Sai, Chiang Rai

Teak · 2400 mm · Mae Sai

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A mix of our previous builds

Mixed wood · Varies mm · All over

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Red Cedar Indoor Sauna for a 134-Year-Old Bangkok Sports Club

Red Cedar · 3600x2500 mm · Bangkok

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Smaller sauna build

Pine · 1200x1700 mm · Koh Phangan

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From the journal

Saunas, ice baths & the cold-plunge life

How Much Does a Sauna Cost to Run in Thailand?

Real electricity cost examples for 3–15 kW sauna heaters at Thai power rates — so you know exactly what to budget before you buy.

13 Jun 2026 Read

How Sisu Sauna Assembly Works: Your Interactive Guide

Every Sisu Sauna ships with an interactive assembly manual built for your exact build — not a generic guide. Here's how it works.

1 Jun 2026 Read

Why Your Sauna's Walls Matter More Than You Think

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.

1 Jun 2026 Read

Sisu Ice Shower: Built in Thailand, Coming Soon

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.

13 Jun 2026 Read

Teak in a Steam Room: Honest Pros, Cons & Care

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.

13 Jun 2026 Read

Sauna Ventilation Done Right: Floor & Door Gaps

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.

8 Jun 2026 Read
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Watch

Saunas & ice baths in motion

Premium Red Cedar Sauna for a Bangkok Sports Club | Complete Installation

Premium Red Cedar Sauna for a Bangkok Sports Club | Complete Installation

Building a Luxury Barrel Sauna in Chaing Rai, Thailand | Complete Construction Timelapse

Building a Luxury Barrel Sauna in Chaing Rai, Thailand | Complete Construction Timelapse

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Want every option? Open the full 3D builder.

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 →