HVAC Training Disclaimer

All materials sold or provided on this website are for general HVAC education, training, and customer communication support only.

They are not a replacement for local building codes, manufacturer installation instructions, safety standards, permits, licensing requirements, or professional judgment.

HVAC, gas, electrical, refrigeration, and pressure-related work can be dangerous. Always follow local regulations and work with properly licensed professionals where required.

本网站提供的 HVAC 资料仅用于一般教育、培训和客户沟通参考，不替代当地法规、厂家安装说明、安全标准、许可要求或持牌专业人员的现场判断。

暖通、燃气、电气、制冷和压力系统相关工作可能存在危险。实际操作应遵守当地法规，并在需要时由合格专业人员完成。