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Mixed Gas CCR in Thailand: 4 dive centres on TecDiveTools, with agencies, courses taught and a summary of what students say. 3 publish course prices.
TecDiveTools lists 4 dive centres teaching Mixed Gas CCR in Thailand. 3 of them publish course prices, in the currency the shop advertises and with the date each was checked — not converted, and not estimated.
Listings are ordered by how much evidence exists about their technical diving, not by a star rating, with any paid Featured listing shown first and marked as such (how rankings work). 4 of these 4 carry reviews we have read and classified as being about technical or overhead training. The count excludes recreational certifications by name, so a busy resort does not outrank a one-instructor cave operation on the volume of its reef trips. Separately, 4 have at least one instructor whose reviews we have read and summarised — a dive centre carries no synthesis of its own. How we read and count reviews.
Looking for individual instructors instead? Instructors in Thailand.
About the course
TIER CORRECTION: Diver-tier advanced closed-circuit rebreather certification using mixed gas (hypoxic and normoxic blends) for deep decompression diving. Builds on Air Diluent or Helitrox CCR decompression prerequisites, extending CCR capabilities into deeper mixed-gas diving. Unit-specific training on approved rebreather models, teaching mixed-gas pre-dive checks, decompression planning specific to mixed-gas CCR, and emergency bailout procedures.
Divers must perform unit-specific mixed-gas CCR drills, demonstrate pre-dive checks for mixed-gas configurations, execute advanced decompression planning with hypoxic/normoxic mixes, manage emergency bailout procedures, and show competent buoyancy/trim on the specific rebreather unit during deep decompression dives.
The centres listed above teach TDI Mixed Gas CCR in Thailand. Requirements are set by the agency, not the centre, so they are the same wherever you train — what differs is price, class size and how much diving is included.
4 dive centres on TecDiveTools teach TDI Mixed Gas CCR in Thailand: Bangkok (2), Koh Tao (1) and Phuket (1). Each is listed above.
Koh Tao and Phuket are two of Asia's main technical training centres, which makes unit-specific rebreather training easier to find — check that your unit is supported before booking.
Published prices for TDI Mixed Gas CCR in Thailand range across 2 centres in the TecDiveTools directory. That is THB 54,900–75,000 (2 centres). Prices differ mainly in what they include, so compare the inclusions before comparing the numbers. Prices were last checked in September 2026.
Between 5 and 7 days, based on the durations 2 centres publish for it in Thailand. The time depends on the centre's schedule, weather, and how quickly the required skills are demonstrated — agencies set a minimum number of dives, not a fixed number of days.
At the same tier in TecDiveTools' cross-agency comparison, dive centres in Thailand also teach IANTD CCR Normoxic Trimix Diver (4), RAID 60m (200ft) CCR Course (1), ANDI CCR Level 4 Normoxic Trimix (1), SSI XR CCR Technical Extended Range (1) and PADI TecRec Tec 60 CCR (1). They are comparable rather than interchangeable — each agency sets its own standards and card, so check which one your next course accepts.