A variety of solutions for diesel buses from 6m to 14m. China's top 3 bus air conditioning manufacturers.
1. Cooling Capacity: 18 - 40KW (61K - 136K BTU)
2. Compressor: Bock, Valeo, and other famous brands.
3. TKT Advantages: Quality tested by Fortune 500 BYD/TATA, Support OEM/ODM, Copper Tube Aluminum Fin, etc.
TKT HVAC was founded in 1998 and we remain true to our original mission. We strive to enhance every passenger’s travel experience with cool and comfortable bus air conditioning systems. Our proven solutions reliably solve comfort issues and help enhance your brand image. With TKT, you will equip your bus with the best bus air conditioner system that combines reliability, energy efficiency and passenger comfort.
Your bus will receive the following benefits:
1. Easily Ensure Coolness—Unrivaled Performance in Extreme Climates
TKT has a patented design system that ensures comfort in the bus even in environments above about 48°C, avoiding operational losses caused by bus air conditioning failure.
2. Reduced Failure Rate and Unplanned Maintenance—Extreme Reliability and Long Life
TKT uses globally recognized high-quality components in exchange for industry-leading durability. Greatly reduce the risk of early replacement. You will get a lower real cost of ownership.
3. Enhance Brand Image—Excellent Air Quality
Even on low-speed or high-passenger routes, TKT bus air conditioners have higher air flow speeds, which means cleaner and cooler air quality.
4. Expert Team Support and OEM Customization—More Flexible and Targeted
TKT has an experienced team of experts. We can provide you with customized bus air conditioning systems to better adapt to your new bus design. In the face of various problems, we can provide more flexible solutions.
TKT strictly controls the quality of air conditioner on bus: for example, the compressors are equipped with international brands such as Bock and Valeo. The evaporator and condenser cores use durable copper tube aluminum fin structures. Want to know the specific configuration or actual test data? Please leave a message.
| Model | 400B | 380B | 340B | 260M | 200M | 180M |
| Cooling Capacity | 40KW / 136K BTU | 38KW / 129K BTU | 34KW / 115K BTU | 26 KW / 88K BTU | 20 KW / 68K BTU | 18 KW / 61K BTU |
| Compressor | Bock FX40 755K | Bock FX40 655K | Bock FX40 655K | Bock FX40 390K | Valeo TM31 | PLM27 |
| Size | 4670*1830*275 mm | 4670*1830*275 mm | 4120*1830*275 mm | 3120*1630*260 mm | 3120*1630*260 mm | 2820*1630*260 mm |
| Weight | 195KG | 190KG | 175KG | 172KG | 162KG | 150KG |
| Refrigerant | R134A | R134A | R134A | R134A | R134A | R134A |
Get TKT Bus Air Conditioning PDF
In 2019, we officially became the bus air conditioning supplier of Tata Motors, a Fortune 500 company. In 2023, the company made another breakthrough and was successfully selected as the bus air conditioning supplier of BYD-Olectra. In 2024, at the delivery party of Olectra’s 2,000th electric bus, we won the “Best Continuous Support Partner” award. Click to read the award news.
 Click on the picture to enlarge. These project cooperations have consolidated our leading position in the field of bus air conditioner system. |
This cooperation video is a cooperation project between us and a diesel shuttle company in the Middle East. We upgraded the air conditioners of more than 200 diesel buses for them. The first half of the video shows the customer checking the product performance and giving a thumbs up to show that he is very satisfied. The second half of the video shows our factory (click to watch the video)
TKT was founded in 1998 with over 20 years of experience. We have more than 100 patented technologies. Our air conditioning system in bus combines patented ultra-high cooling technology with rock-solid durability and flexible configuration to achieve:
1. Achieve measurable return on investment through high product quality, reduced maintenance costs and fuel savings.
2. Peace of mind compliance – ISO, CE and other certifications have been passed, as well as strict inspections by the world’s top 500 vehicle manufacturers.
3. Quiet operation, fresh air and consistent comfort make passengers and drivers feel comfortable.
1. Patent System Design to Guarantee Super Cooling for Tropical Climate.
2. Inner Screw Copper Tube & Hydrophilic Alu. To Guarantee 12-18 Years Life Time.
3. Adopting World Top Brand Components to Lower Life Cycle Cost.
4. Fresh Air Available
5. OEM/Customized System Acceptable.
6. More Choices for Different Budget/ Cooling Requirement.
TKT bus air conditioning system has a strict quality inspection process. Such as EMC electromagnetic test, piping air tightness test, drenching test, vibration test, finished product test and so on. This is all in order for you to get reliable bus air conditioners. (Click here to view Bus Rooftop Air Conditioner quality Inspection details)
We provide an 18-month warranty from the date of shipment. If a part fails due to quality reasons during the warranty period, we will provide free spare parts. During this period, you need to communicate with our experts to confirm the root cause of the problem. For extended warranty and other issues, please contact us for detailed communication.
The air conditioner bus is mainly composed of the following core components:
1 Refrigeration compressor: compresses the refrigerant and drives the refrigeration cycle. This is the most important part.
2 Condenser and Evaporator: The condenser is used to dissipate heat, and the evaporator absorbs the heat of the car to achieve cooling.
3 Expansion Valve and Liquid Storage Dry Filter: adjust the refrigerant flow and filter impurities.
3 Fan System: includes supply and return air fans to ensure air circulation.
4 Control System: contains temperature sensors, electromagnetic clutches, etc., to achieve automatic temperature control and mode adjustment.
The refrigeration function of traditional bus air conditioning mainly relies on the principle of vapour compression refrigeration. This principle is achieved through the phase change of the refrigerant in the closed system (liquid-gas transition) to achieve heat transfer. The whole process involves the core components mentioned above: compressor, condenser, expansion valve, evaporator. Auxiliary components such as fans, pipework and controls.
1. Compression: The refrigerant in low temperature and low pressure gaseous state is sucked and compressed by the compressor, and becomes high temperature and high pressure gaseous state. Compression. For traditional bus air conditioning, this power source is driven by the chassis engine through the belt.
2. Condensation: The high-temperature and high-pressure gaseous refrigerant enters the condenser on the outside of the bus roof. The condenser is equipped with a condensing fan, which accelerates the heat away from the refrigerant, cooling it and condensing it into a high-pressure liquid state.
3. Throttling: High-pressure liquid refrigerant flows through the expansion valve, and due to the sudden narrowing of the pipeline, the pressure drops sharply, forming a low-temperature, low-pressure liquid refrigerant. Evaporation: Absorb the heat in the compartment.
4. Evaporation: The low-temperature and low-pressure liquid refrigerant enters the evaporator in the bus. The refrigerant in the evaporator absorbs the heat of the air inside the bus, and the liquid refrigerant evaporates completely into a low-temperature, low-pressure gaseous state, completing the heat absorption process.
The evaporated low-temperature and low-pressure gaseous refrigerant returns to the compressor to start the next cycle.
There is no mandatory requirement for buses to be equipped with air conditioners. However, with the advancement of technology and social development, people’s requirements for comfort are increasing. If a brand of bus cannot provide a comfortable riding experience, it will have a negative impact on its brand image.
According to the information we know so far, the prototype of bus air conditioning technology was born in the United States in 1937, but the double-decker air-conditioned bus in the United Kingdom in 1988 was the first to be put into commercial operation and form a complete system.
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