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TCH12TA
TCHAIN
TCH12TA
The TCH12TA engine driven bus air conditioner is a high-performance HVAC solution exclusively engineered by TCHAIN for 11.5-12.5 meter large passenger buses, including long-distance coaches, tourist buses and urban intercity buses. As a flagship model for large commercial vehicles, this product is designed to meet the high cooling demand of spacious bus cabins with a super cooling capacity of 32000KcaL/h, ensuring uniform and efficient temperature control even in high-temperature environments and full passenger load conditions. Driven by the bus engine with a 24V stable power supply, it features a durable fin & tube coil structure and a multi-fan blower system, making it a reliable choice for bus manufacturers, passenger transport companies and fleet operators worldwide. With TCHAIN’s 36 years of bus air conditioning R&D and production experience, the TCH12TA has been optimized for low energy consumption and easy maintenance, perfectly matching the operational characteristics of large engine-driven buses.
32000KcaL/h (37.216KW/126800 btu) cooling capacity delivers powerful and rapid cooling, covering the entire 11.5-12.5m bus cabin without temperature dead zones.
Equipped with 5 condenser fans and 8 evaporator blowers, it achieves high airflow and efficient heat exchange, ensuring stable operation even in continuous high-load working conditions.
The fin & tube coil design features excellent heat transfer performance and corrosion resistance, extending the service life of the air conditioner in complex road and climate environments.
Optimized for 24V engine-driven bus electrical systems, it has low voltage fluctuation sensitivity and stable operation without affecting the bus’s other electrical components.
Integrates evaporator expansion valve, condenser, high-efficiency compressor and other core components, with a compact layout that saves installation space on large buses.
Parameter | Details |
Model | TCH12TA |
Brand | TCHAIN |
Applicable Vehicle | 11.5-12.5m engine-driven large bus/coach |
Cooling Capacity | 32000KcaL/h; 37.216KW; 126800 btu |
Condenser Fans | 5 fans |
Evaporator Blowers | 8 blowers |
Coil Type | Fin & tube |
Working Voltage | 24V |
Core Components | Compressor, evaporator expansion valve, condenser, receiver series |
Installation Type | Engine-driven integrated installation |
Efficient Heat Exchange & Low Energy Consumption: The fin & tube coil and multi-fan system optimize heat transfer efficiency, reducing the load on the bus engine while ensuring cooling effect, and realizing energy-saving operation of the whole vehicle.
Stable Adaptability to Complex Environments: The product has passed strict performance tests in TCHAIN’s professional bus air conditioner testing center, with strong adaptability to high temperature, humidity and road vibration, and no fault under long-term continuous operation.
Uniform Air Supply in Large Cabins: The 8 evaporator blowers are designed with multi-angle air outlets, realizing 360° uniform air supply in the large cabin of 11.5-12.5m buses, and improving passenger riding comfort.
Easy Maintenance & Low After-Sales Cost: The modular design of core components allows quick disassembly and replacement, reducing the maintenance time and cost for fleet operators.
The TCH12TA is produced by Guangdong Shunde Taichang Bus Air Conditioner Co., Ltd., the core manufacturer of TCHAIN brand, which has passed ISO9001-2015 and GB/T19001-2016 quality management system certification, and obtained a utility model patent for bus air conditioning technology. TCHAIN has more than 36 years of experience in R&D and production of 5-14m bus air conditioners, with products exported to five continents and more than 20 years of overseas market operation experience. The company has a professional performance testing center and a complete R&D team, which can provide customized matching solutions for large bus manufacturers of different brands.


A: It is fully adapted to long-distance coaches, tourist buses, urban intercity buses and double-decker buses with engine-driven 24V electrical systems, and can be customized according to the bus’s body structure and installation space.
A: Yes. The 32000KcaL/h ultra-high cooling capacity is specially designed for high-temperature areas and full passenger load conditions, with a multi-fan heat dissipation system to ensure stable cooling effect even at 40℃ ambient temperature.
A: No. The product is optimized for engine load matching, with low energy consumption design, which only takes a small part of the engine power and will not affect the power performance and fuel consumption of the bus.
A: The original high-efficiency compressor has a design service life of more than 8 years under normal use, and TCHAIN provides global after-sales spare parts support for core components.
For B-end bulk procurement, customized matching and technical parameter confirmation of the TCH12TA 11.5-12.5 meter engine driven bus air conditioner, you can click the Inquire or Add to Basket button on the product page to submit your demand. Our professional sales and technical team will reply to you within 24 hours, provide detailed quotation, sample testing and on-site installation guidance services. We also support long-term strategic cooperation with bus manufacturers and fleet operators, with flexible delivery cycles and exclusive after-sales service policies.
The TCH12TA engine driven bus air conditioner is a high-performance HVAC solution exclusively engineered by TCHAIN for 11.5-12.5 meter large passenger buses, including long-distance coaches, tourist buses and urban intercity buses. As a flagship model for large commercial vehicles, this product is designed to meet the high cooling demand of spacious bus cabins with a super cooling capacity of 32000KcaL/h, ensuring uniform and efficient temperature control even in high-temperature environments and full passenger load conditions. Driven by the bus engine with a 24V stable power supply, it features a durable fin & tube coil structure and a multi-fan blower system, making it a reliable choice for bus manufacturers, passenger transport companies and fleet operators worldwide. With TCHAIN’s 36 years of bus air conditioning R&D and production experience, the TCH12TA has been optimized for low energy consumption and easy maintenance, perfectly matching the operational characteristics of large engine-driven buses.
32000KcaL/h (37.216KW/126800 btu) cooling capacity delivers powerful and rapid cooling, covering the entire 11.5-12.5m bus cabin without temperature dead zones.
Equipped with 5 condenser fans and 8 evaporator blowers, it achieves high airflow and efficient heat exchange, ensuring stable operation even in continuous high-load working conditions.
The fin & tube coil design features excellent heat transfer performance and corrosion resistance, extending the service life of the air conditioner in complex road and climate environments.
Optimized for 24V engine-driven bus electrical systems, it has low voltage fluctuation sensitivity and stable operation without affecting the bus’s other electrical components.
Integrates evaporator expansion valve, condenser, high-efficiency compressor and other core components, with a compact layout that saves installation space on large buses.
Parameter | Details |
Model | TCH12TA |
Brand | TCHAIN |
Applicable Vehicle | 11.5-12.5m engine-driven large bus/coach |
Cooling Capacity | 32000KcaL/h; 37.216KW; 126800 btu |
Condenser Fans | 5 fans |
Evaporator Blowers | 8 blowers |
Coil Type | Fin & tube |
Working Voltage | 24V |
Core Components | Compressor, evaporator expansion valve, condenser, receiver series |
Installation Type | Engine-driven integrated installation |
Efficient Heat Exchange & Low Energy Consumption: The fin & tube coil and multi-fan system optimize heat transfer efficiency, reducing the load on the bus engine while ensuring cooling effect, and realizing energy-saving operation of the whole vehicle.
Stable Adaptability to Complex Environments: The product has passed strict performance tests in TCHAIN’s professional bus air conditioner testing center, with strong adaptability to high temperature, humidity and road vibration, and no fault under long-term continuous operation.
Uniform Air Supply in Large Cabins: The 8 evaporator blowers are designed with multi-angle air outlets, realizing 360° uniform air supply in the large cabin of 11.5-12.5m buses, and improving passenger riding comfort.
Easy Maintenance & Low After-Sales Cost: The modular design of core components allows quick disassembly and replacement, reducing the maintenance time and cost for fleet operators.
The TCH12TA is produced by Guangdong Shunde Taichang Bus Air Conditioner Co., Ltd., the core manufacturer of TCHAIN brand, which has passed ISO9001-2015 and GB/T19001-2016 quality management system certification, and obtained a utility model patent for bus air conditioning technology. TCHAIN has more than 36 years of experience in R&D and production of 5-14m bus air conditioners, with products exported to five continents and more than 20 years of overseas market operation experience. The company has a professional performance testing center and a complete R&D team, which can provide customized matching solutions for large bus manufacturers of different brands.


A: It is fully adapted to long-distance coaches, tourist buses, urban intercity buses and double-decker buses with engine-driven 24V electrical systems, and can be customized according to the bus’s body structure and installation space.
A: Yes. The 32000KcaL/h ultra-high cooling capacity is specially designed for high-temperature areas and full passenger load conditions, with a multi-fan heat dissipation system to ensure stable cooling effect even at 40℃ ambient temperature.
A: No. The product is optimized for engine load matching, with low energy consumption design, which only takes a small part of the engine power and will not affect the power performance and fuel consumption of the bus.
A: The original high-efficiency compressor has a design service life of more than 8 years under normal use, and TCHAIN provides global after-sales spare parts support for core components.
For B-end bulk procurement, customized matching and technical parameter confirmation of the TCH12TA 11.5-12.5 meter engine driven bus air conditioner, you can click the Inquire or Add to Basket button on the product page to submit your demand. Our professional sales and technical team will reply to you within 24 hours, provide detailed quotation, sample testing and on-site installation guidance services. We also support long-term strategic cooperation with bus manufacturers and fleet operators, with flexible delivery cycles and exclusive after-sales service policies.