Yes. All Bestcold residential and commercial HVAC units—including our ductless mini splits, VRF systems, and PTAC units—are fully **AHRI Certified** for energy efficiency and **UL or ETL Listed** for electrical safety compliance in the United States and Canada. Our products meet or exceed the performance benchmarks required by regional building codes and US federal energy standards (including SEER2 ratings).
Bestcold offers an industry-leading warranty program designed specifically for licensed HVAC professionals:
* **10-Year Limited Warranty** on the Compressor.
* **5-Year Limited Warranty** on functional parts.
* *Note*: To validate the warranty, a licensed HVAC contractor must install the system, and the
installation must be registered via our online Warranty Registration Form within 60 days of purchase.
Bestcold utilizes a robust hybrid supply chain to guarantee stable delivery:
* **US Inventory**: Fast-moving models, accessories, and spare parts are stocked in our partnered US warehouses, shipping within 24–48 hours with a delivery timeline of **3–5 business days** across the mainland United States.
* **Factory-Direct Bulk Sourcing**: Large-scale OEM/ODM project orders are shipped directly from our manufacturing base in Zhuhai, China, with average production lead times of 25–35 days plus ocean transit.
Yes. We provide complete lifecycle technical support for licensed installers. In the event of system troubleshooting, our team delivers remote diagnostics, including **wiring diagram reviews, error code analysis, and installation checklists** within 24 business hours. If replacement parts are required (such as compressors, mainboards, sensors, or fan motors), they are dispatched promptly from our US spare parts inventory
Authorized distributors and licensed contractors can request wholesale pricing by clicking our **"GET A QUOTE"** button or emailing us directly at **cassie.chen@zhmoyutech.com** with your company details,
licensing info, and estimated order volume. Our B2B project team will provide a tailored volume quote within 1 business day
