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Q How long does it take to produce a customized order?
A Customized orders typically take 25-30 days to produce after design confirmation.
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Q What can be customized on your bus AC units?
A We can customize refrigerant type, control system, heating function (PTC/heat pump) and even brand labeling for bulk orders.
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Q Do you provide custom bus air conditioner solutions?
A Yes, we offer full OEM/ODM services. We can customize cooling capacity, voltage, dimensions and appearance to meet your specific requirements.
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Q What shipping methods do you offer?
A We can arrange sea, air and land shipping to any country in the world. We will provide you with the most cost-effective shipping solution based on your location.
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Q How long is your production lead time?
A Standard orders are produced within 15-20 days. Customized orders may take 25-30 days depending on the requirements.
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Q What is your minimum order quantity (MOQ)?
A Our MOQ is 1 unit for all standard models.
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Q Do you have your own testing laboratory?
A Yes, we have an industry-leading testing center and were awarded the "Guangdong Provincial Engineering Technology Research Center" in 2018.
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Q Are your products compliant with EU environmental regulations?
A Yes, all our EU-exported products use ozone-friendly refrigerants and meet the latest EU emission and environmental standards
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Q What international certifications do your products have?
A Our products are certified to IATF16949 and ISO9001 quality management systems. We also hold CE, RoHS and other regional certifications required for global markets.
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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.
