Go Beyond Limits – Technical Diving in Koh Chang
At Chang Diving Center, we offer specialized TDI technical diving courses for those ready to take scuba diving to the next level. From extended bottom times to deep and decompression dives, our certified instructors guide you through advanced diving techniques in a professional, safe, and supportive environment.
Serious Skills – Proven Systems Learn how to plan and execute dives beyond recreational limits using twin sets, stage tanks, and sidemount configurations. Our courses include theory, skills training, and open water dives tailored to your pace and goals – whether you're aiming for deco procedures, trimix, or advanced sidemount diving.
Train Where Conditions Are Real Koh Chang's HTMS Chang wreck, steep reef slopes, and variable depths offer ideal training grounds for real-world tech dive conditions. You'll master gas management, redundancy protocols, and emergency skills – all while exploring a dynamic underwater environment.
Join the Next Level With small groups, customized schedules, and top-notch gear, our technical diving programs are designed for serious divers who want more than just depth – they want understanding, precision, and confidence. Start your tech journey today at Chang Diving Center.
🔧 TDI Intro to Tech
The TDI Intro To Tech Course introduces technical diving to the recreational diver, how to use technical diving gear setups.
🧪 TDI Advanced Nitrox
Learn to dive with up to 100% oxygen. Extend your limits with the TDI Advanced Nitrox course at Chang Diving, Koh Chang.
⏱️ Decompression Procedures
Learn staged decompression diving with the TDI Decompression Procedures course. Oxygen, Nitrox, gas planning & real tech dives.
🚢 Advanced Wreck
Explore Thailand's largest wrecks with the TDI Advanced Wreck course. Deco & non-deco options. Master overhead diving environments.
🏆 Technical Diver
Complete your Advanced Nitrox, Deco Procedures & Wreck Diver certification in one intensive TDI tech training package.
