Coaches Hvac Factory is a technological hub for automotive air conditioning, simultaneously meeting three core requirements: reliability in extreme climates, customized passenger comfort, and energy efficiency and environmental standards.
Through modular intelligent production lines, full-temperature environment testing, and global collaborative manufacturing, it creates air conditioning systems suitable for long-distance buses and high-end tour buses.
Chinese manufacturers, leveraging their domestic bus manufacturing advantages, have rapidly risen to prominence, with SONGZ and BUSCLIMA being typical examples. Visit www.busclima.com or contact busclima@kingclima.com

Coaches Hvac Factory High-Tech
Dual Redundant Refrigeration Circuit
An independent dual-compressor system designed for long-haul buses. In case of main compressor failure, the backup system can seamlessly switch over within 30 seconds, ensuring cabin temperature fluctuations of ≤±1℃ in environments ranging from -30℃ to 55℃.
Noise Reduction Technology
Utilizing a scroll compressor combined with acoustic encapsulation technology, operating noise is controlled below 52dB, achieving library-level quietness standards.
Lightweight Structure
The condenser uses aerospace-grade aluminum, achieving a heat dissipation area of 2.8㎡ while reducing weight by 15%, suitable for the load requirements of double-decker luxury buses such as the Neoplan Skyliner.
Separate Temperature Control System
Developed for double-decker buses, this independent zoned bus air conditioner allows for differentiated temperature control, with the upper level at 24°C and the lower level at 26°C. Combined with a 12m/s air curtain design, it effectively addresses the temperature difference between the upper and lower levels.
New Energy Adaptability
Developed for pure electric luxury buses, this heat pump system reduces air conditioning energy consumption from 35% to 25% through motor waste heat recovery technology, increasing winter range by 18km/100km.
Coaches Hvac Factory Core Technology Barriers
Extreme Environment Adaptability
In a -30°C cabin, the compressor must start from -40°C freezing within 15 minutes. Combined with PTC auxiliary heating (5kW), the cabin temperature is raised to 20°C. In a 60°C high-temperature test, the condenser fan speed reaches 8500rpm, ensuring a cooling capacity reduction of less than 5%.
Healthy Air Management
Employs a two-stage filtration system of “G4 pre-filter + HEPA high-efficiency filter,” achieving a PM2.5 filtration efficiency of 99.7%, and integrates a UV-C sterilization module (sterilization rate >99%), meeting European bus hygiene standards (EN 13098).
Low GWP Environmental Technology
Uses R-1234yf refrigerant (GWP=1). A closed-loop recovery system achieves a refrigerant recovery rate >95%, reducing carbon emissions by 78% compared to traditional R-410A.
Intelligent Energy Efficiency Optimization
Equipped with a dual-core MCU controller and AI load prediction algorithm, it can dynamically adjust the cooling capacity based on passenger density (via infrared sensors) and solar radiation intensity.

