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Q What is your recommended maintenance schedule?
A We recommend basic maintenance every 3 months, including filter replacement, refrigerant level check and system inspection. Annual full servicing is required for optimal performance.
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Q How long does it take to install a TCHAIN bus air conditioner?
A Standard installation takes 4-6 hours per unit by professional technicians. We provide detailed installation manuals with step-by-step diagrams.
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Q What refrigerants do your products use?
A Electric bus ACs use eco-friendly R410A and R407C, while traditional diesel and built-in models use R134a. All meet international environmental standards.
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Q Do you have solutions for 48℃ extreme high temperatures?
A Yes, we have specially engineered high-temperature units for India and Middle East markets. They operate stably at 48℃ ambient temperature with enhanced cooling performance.
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Q What are your best-selling bus AC models?
A Our top sellers are TCD08D (8-8.5m electric), TC45N2 (12-13m double-decker for overseas) and TCD07A (6-7m electric minibus). All are supplied to Yutong, King Long, BYD and CRRC.
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Q What bus lengths are your air conditioners compatible with?
A TCHAIN bus air conditioners fit 6-14m vehicles, including electric minibuses, double-deckers, coaches, school buses and special vehicles. We offer over 60 models for all mainstream bus types.
