10+ Years Experience
About Sisu Sauna
Authentic Finnish Sauna Craftsmanship in Thailand Since 2015
From handcrafted Finnish sauna rooms and high-quality ice baths. We deliver premium sauna solutions throughout Bangkok, Phuket, Chiang Mai, Pattaya and all over Thailand. Professional delivery, expert support, and quality guaranteed.
Sisu Custom Sauna Build Process
Every Sisu sauna is built from the ground up in our Surin workshop, starting with a robust galvanised steel frame engineered for structural integrity and long-term durability in tropical conditions. High-performance insulation is carefully fitted throughout the walls, ceiling and floor to lock in heat, ensure fast heat-up times and maximise energy efficiency. The exterior is finished with premium cladding for weather protection and a clean, professional appearance, while the interior is lined with heat-tolerant timber — traditionally thermowood or cedar — chosen for its moisture resistance and distinctive sauna aroma. Custom benches are shaped for comfort with proper airflow spacing, and tempered safety glass doors flood the interior with natural light while maintaining full heat retention.
Once construction is complete, your sauna is ready for delivery. We offer professional on-site installation across Thailand — our team will assemble, connect and test everything at your location. Alternatively, our modular panel construction means your sauna can be self-installed with the detailed instructions, phone support and video guidance we provide with every build.
Sisu Sauna was founded in 2015 by Patrick, a Finnish sauna builder with over 30 years of experience designing and constructing authentic saunas in both Finland and Thailand. What began as a passion project to bring genuine Finnish sauna culture to Southeast Asia has grown into Thailand’s premier custom sauna workshop, producing 5-6 bespoke saunas monthly from our dedicated facility in Surin.
Unlike importers or retailers selling pre-designed models (made in China), we specialise in custom-built saunas tailored to your exact specifications. Every sauna we create is individually designed by Patrick, who applies traditional Finnish construction methods refined over three decades. His deep understanding of both Nordic sauna principles and Thailand’s tropical climate ensures that each build performs beautifully in high heat and humidity.
Our workshop in Surin province allows us to maintain complete quality control throughout the manufacturing process. From initial timber selection through final assembly, Patrick oversees every detail. This hands-on approach, combined with robust galvanised steel frames and premium timber selection, enables us to offer an industry-leading 3-year structural warranty—significantly longer than the standard 1-year coverage most competitors provide.
We serve residential clients seeking backyard wellness retreats, luxury villa developers requiring bespoke designs, resort properties adding unique amenities, and commercial facilities needing capacity for multiple users. Whether you’re working with a compact urban space or designing a large-scale installation, our team brings the flexibility and expertise to make your vision a reality.
Each custom project begins with a detailed consultation to understand your space, budget, intended use, and aesthetic preferences. Patrick then creates precise dimensional drawings with timber recommendations, heating calculations, and ventilation design optimised specifically for Thailand’s climate. Throughout the 3-4 week construction process, you’ll receive progress updates before our professional installation team completes the assembly at your location.
Beyond custom builds, we stock pre-made sauna models in popular configurations, offering faster delivery for clients with standard requirements. All saunas—custom and pre-made—include professional installation across Thailand, comprehensive operation training, and the accessories needed for immediate use: heater, bucket, ladle, thermometer, sand timer, and lighting.
Our commitment to authenticity extends beyond construction methods. Patrick lives in Thailand with his Thai wife, understanding both Finnish sauna traditions and local building practices. This unique perspective, combined with our bilingual team fluent in Finnish, Thai, and English, ensures clear communication and cultural understanding throughout your project.
Since 2015, we’ve helped hundreds of clients throughout Bangkok, Phuket, Pattaya, Chiang Mai, Samui, and beyond create their perfect sauna experience. Whether you seek the health benefits of regular sauna use, a space for family relaxation, or a distinctive amenity for your property, Sisu Sauna delivers Finnish quality built to last in Thailand’s demanding climate.
Why Choose Sisu Sauna
Authentic Finnish Expertise
Industry-Leading Warranty
True Custom Capability
Complete Project Management
Nationwide Delivery
Professional delivery available throughout Thailand, including islands and remote locations. Our experienced team handles site preparation, assembly, electrical connection, and functionality testing.



















