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TCH07GZ
TCHAIN
The TCH07GZ engine driven bus air conditioner is a compact and high-efficiency HVAC solution developed by TCHAIN for 6-7 meter mini buses, including school buses, private mini coaches, urban shuttle buses and community commuter buses. Targeting the small and medium cabin space of mini buses, this product is designed with a 16000W precise cooling capacity, matching the small engine power of mini buses and realizing energy-saving and efficient cooling. With a lightweight design of only 95KG and a compact overall dimension, it is suitable for the limited installation space of mini buses, and is equipped with a professional pressure protection system and 3-speed airflow control, meeting the safety and comfort requirements of school buses and urban mini buses. As a customized model for small commercial vehicles, the TCH07GZ has been widely used in school bus fleets and urban public transport systems, and is the first choice for B-end customers such as mini bus manufacturers and school bus operation companies.
Overall weight of only 95KG, with dimensions of 1945×1560×202MM, perfectly adapting to the limited installation space of 6-7m mini buses without increasing the vehicle load.
Equipped with high and low pressure switches with precise pressure control, automatically cutting off the circuit when the system pressure is abnormal to protect the compressor and extend the service life.
The compressor clutch supports 24V/12V dual voltage, adapting to different electrical system configurations of 6-7m mini buses and improving the product’s compatibility.
3-speed adjustable airflow and 13-28℃ indoor temperature control range, matching the small cabin space to realize precise temperature regulation, and the 1-3℃ defrost temperature ensures normal operation in winter.
Evaporator and condenser adopt internal thread tube hydrophilic aluminum foil tube & fin core, with high heat exchange efficiency and anti-condensation performance, reducing energy consumption.
Parameter | Details |
Model | TCH07GZ |
Brand | TCHAIN |
Applicable Vehicle | 6-7m engine-driven mini bus/school bus/shuttle bus |
Cooling Capacity | 16000W |
Refrigerant (R134a) | 2.2KG |
Compressor Model | TM31 (270CC)/JS32 (313CC) |
Compressor Lubricant | POE(RL68H) |
Clutch Voltage | 24V/12V |
Evaporator Air Flow | 2680 m³/h |
Condenser Air Flow | 4000 m³/h |
Core Type | Tube & Fin (Internal Thread Tube Hydrophilic Aluminum foil) |
Overall Dimension | 1945×1560×202MM |
Net Weight | 95KG |
Temperature Control | 13-28℃ (indoor); 1-3℃ (defrost) |
Safety Device | High/Low Pressure Switch |
School Bus-Level Safety Design: The high and low pressure protection system and stable voltage compatibility meet the strict safety standards of school buses, ensuring zero safety hazards during the operation of student transport vehicles.
High Heat Exchange Efficiency with Low Energy Consumption: The hydrophilic aluminum foil internal thread tube core increases the heat exchange area by 30% compared with ordinary cores, realizing efficient cooling with low engine power consumption, and matching the small-displacement engine of 6-7m mini buses.
3-Speed Airflow for Small Cabin Precision Control: The 3-speed adjustable airflow is specially designed for the small cabin of 6-7m mini buses, avoiding excessive cooling and energy waste, and realizing precise temperature control according to the number of passengers.
Easy Installation & No Vehicle Refitting: The compact layout and standardized installation interface can be directly installed on various 6-7m mini bus models without refitting the vehicle body and electrical system, reducing the installation cost for manufacturers.


The TCH07GZ is manufactured by Guangdong Shunde Taichang Bus Air Conditioner Co., Ltd., a professional bus air conditioner manufacturer with ISO9001-2015 and GB/T19001-2016 certification and utility model patents for mini bus air conditioning technology. TCHAIN has a dedicated R&D team for small and medium bus air conditioners, focusing on the customization of school buses and urban shuttle buses, and has established long-term cooperation with major domestic mini bus manufacturers. The company’s professional performance testing center has carried out strict high and low temperature, vibration and safety tests on the TCH07GZ, ensuring that the product meets the global mini bus air conditioning quality standards. With more than 36 years of production experience, TCHAIN can provide B-end customers with one-stop solutions from product matching to after-sales service.


A: Yes. The product is specially optimized for school bus safety and comfort, with a pressure protection system and low-noise operation, fully meeting the national school bus safety standards and the riding needs of students.
A: The evaporator blower has a rated current of 20A, and the condenser fan has a rated current of 22A, with low power consumption and no impact on the mini bus’s battery and charging system.
A: Yes. TCHAIN provides customized services such as shell color matching and installation position adjustment for B-end bulk procurement customers to meet the personalized needs of mini bus and school bus manufacturers.
A: The pressure switch has a sealed and maintenance-free design, and only needs to check the refrigerant pressure and pipeline tightness during the regular maintenance of the air conditioner, with low daily maintenance cost.
For bulk procurement of the TCH07GZ 6-7m engine driven mini bus air conditioner, school bus fleet customization and technical parameter matching, you can submit your procurement demand through the Inquire or Add to Basket button on the product page. Our sales team will provide detailed quotation, sample testing and on-site technical guidance according to your vehicle model and procurement quantity. We support flexible delivery cycles for B-end customers, and provide exclusive after-sales service for school bus fleets, including free on-site maintenance and spare parts replacement within the warranty period.
The TCH07GZ engine driven bus air conditioner is a compact and high-efficiency HVAC solution developed by TCHAIN for 6-7 meter mini buses, including school buses, private mini coaches, urban shuttle buses and community commuter buses. Targeting the small and medium cabin space of mini buses, this product is designed with a 16000W precise cooling capacity, matching the small engine power of mini buses and realizing energy-saving and efficient cooling. With a lightweight design of only 95KG and a compact overall dimension, it is suitable for the limited installation space of mini buses, and is equipped with a professional pressure protection system and 3-speed airflow control, meeting the safety and comfort requirements of school buses and urban mini buses. As a customized model for small commercial vehicles, the TCH07GZ has been widely used in school bus fleets and urban public transport systems, and is the first choice for B-end customers such as mini bus manufacturers and school bus operation companies.
Overall weight of only 95KG, with dimensions of 1945×1560×202MM, perfectly adapting to the limited installation space of 6-7m mini buses without increasing the vehicle load.
Equipped with high and low pressure switches with precise pressure control, automatically cutting off the circuit when the system pressure is abnormal to protect the compressor and extend the service life.
The compressor clutch supports 24V/12V dual voltage, adapting to different electrical system configurations of 6-7m mini buses and improving the product’s compatibility.
3-speed adjustable airflow and 13-28℃ indoor temperature control range, matching the small cabin space to realize precise temperature regulation, and the 1-3℃ defrost temperature ensures normal operation in winter.
Evaporator and condenser adopt internal thread tube hydrophilic aluminum foil tube & fin core, with high heat exchange efficiency and anti-condensation performance, reducing energy consumption.
Parameter | Details |
Model | TCH07GZ |
Brand | TCHAIN |
Applicable Vehicle | 6-7m engine-driven mini bus/school bus/shuttle bus |
Cooling Capacity | 16000W |
Refrigerant (R134a) | 2.2KG |
Compressor Model | TM31 (270CC)/JS32 (313CC) |
Compressor Lubricant | POE(RL68H) |
Clutch Voltage | 24V/12V |
Evaporator Air Flow | 2680 m³/h |
Condenser Air Flow | 4000 m³/h |
Core Type | Tube & Fin (Internal Thread Tube Hydrophilic Aluminum foil) |
Overall Dimension | 1945×1560×202MM |
Net Weight | 95KG |
Temperature Control | 13-28℃ (indoor); 1-3℃ (defrost) |
Safety Device | High/Low Pressure Switch |
School Bus-Level Safety Design: The high and low pressure protection system and stable voltage compatibility meet the strict safety standards of school buses, ensuring zero safety hazards during the operation of student transport vehicles.
High Heat Exchange Efficiency with Low Energy Consumption: The hydrophilic aluminum foil internal thread tube core increases the heat exchange area by 30% compared with ordinary cores, realizing efficient cooling with low engine power consumption, and matching the small-displacement engine of 6-7m mini buses.
3-Speed Airflow for Small Cabin Precision Control: The 3-speed adjustable airflow is specially designed for the small cabin of 6-7m mini buses, avoiding excessive cooling and energy waste, and realizing precise temperature control according to the number of passengers.
Easy Installation & No Vehicle Refitting: The compact layout and standardized installation interface can be directly installed on various 6-7m mini bus models without refitting the vehicle body and electrical system, reducing the installation cost for manufacturers.


The TCH07GZ is manufactured by Guangdong Shunde Taichang Bus Air Conditioner Co., Ltd., a professional bus air conditioner manufacturer with ISO9001-2015 and GB/T19001-2016 certification and utility model patents for mini bus air conditioning technology. TCHAIN has a dedicated R&D team for small and medium bus air conditioners, focusing on the customization of school buses and urban shuttle buses, and has established long-term cooperation with major domestic mini bus manufacturers. The company’s professional performance testing center has carried out strict high and low temperature, vibration and safety tests on the TCH07GZ, ensuring that the product meets the global mini bus air conditioning quality standards. With more than 36 years of production experience, TCHAIN can provide B-end customers with one-stop solutions from product matching to after-sales service.


A: Yes. The product is specially optimized for school bus safety and comfort, with a pressure protection system and low-noise operation, fully meeting the national school bus safety standards and the riding needs of students.
A: The evaporator blower has a rated current of 20A, and the condenser fan has a rated current of 22A, with low power consumption and no impact on the mini bus’s battery and charging system.
A: Yes. TCHAIN provides customized services such as shell color matching and installation position adjustment for B-end bulk procurement customers to meet the personalized needs of mini bus and school bus manufacturers.
A: The pressure switch has a sealed and maintenance-free design, and only needs to check the refrigerant pressure and pipeline tightness during the regular maintenance of the air conditioner, with low daily maintenance cost.
For bulk procurement of the TCH07GZ 6-7m engine driven mini bus air conditioner, school bus fleet customization and technical parameter matching, you can submit your procurement demand through the Inquire or Add to Basket button on the product page. Our sales team will provide detailed quotation, sample testing and on-site technical guidance according to your vehicle model and procurement quantity. We support flexible delivery cycles for B-end customers, and provide exclusive after-sales service for school bus fleets, including free on-site maintenance and spare parts replacement within the warranty period.