聯合技術環境、控制與安防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. 聯合技術環境、控制與安防是一個的供應商，通過旗下的各業務板塊：暖通空調與冷凍系統，樓宇控制及自動化， 消防和安全系統，為客戶提供集成度更高的個性化解決方案，從而推動建筑安全性、智能化和可持續性設計領域的創新步伐。聯合技術環境、控制與安防是美國聯合技術公司業務部門之一，聯合技術公司是**的航空航天和建筑系統供應商。