联合技术环境、控制与安防UTC Climate, Controls & SecurityUTC Climate, Controls & Security is a leading provider of heating, ventilating, air conditioning and refrigeration systems, building controls and automation, and fire and security systems leading to safer, smarter, sustainable and high-performance buildings. UTC Climate, Controls & Security is a unit of United Technologies Corp., a leading provider to the aerospace and building systems industries worldwide. 联合技术环境、控制与安防是一个的供应商，通过旗下的各业务板块：暖通空调与冷冻系统，楼宇控制及自动化， 消防和安全系统，为客户提供集成度更高的个性化解决方案，从而推动建筑安全性、智能化和可持续性设计领域的创新步伐。联合技术环境、控制与安防是美国联合技术公司业务部门之一，联合技术公司是**的航空航天和建筑系统供应商。