WESTERN ALLIED CORP.

12046 E. Florence Ave., Santa Fe Springs, California, 90670

·24/7 Available

AHUChilled Water/ChillerBoilerRTUCooling TowerHeat Pump

Commercial Capabilities

24/7 AvailabilityYes — always available

Multi-Site CoverageAvailable

SLA Summary

24/7 commercial HVAC service and maintenance with the highest ratio of degreed engineers to field technicians in Southern California.

About

Western Allied Corporation has delivered commercial HVAC excellence across Southern California for over 65 years, establishing themselves as the region's most engineering-driven mechanical contractor. Operating from Santa Fe Springs with coverage throughout the greater Los Angeles basin, they maintain the highest ratio of degreed engineers to field technicians in Southern California. Their comprehensive capabilities span design-build HVAC systems, air handling units, chilled water systems, boilers, rooftop units, and cooling towers for diverse commercial applications. Western Allied serves office buildings, hospitals, hotels, biotech facilities, clean rooms, and entertainment studios with equal expertise. As a union shop featuring Local 105 sheet metal craftsmen and United Association Local 250 pipe technicians, they handle everything from 2-inch to 16-plus inch piping systems in their prefabrication facility. Their building automation expertise encompasses over two decades of open-protocol experience in LonWorks, BACnet, and Modbus systems. The company's design-build approach, backed by California-licensed professional engineers, ensures seamless project delivery from conceptual design through long-term maintenance. Their 24/7 service capabilities and structured project management—with company partners leading each project from start to finish—provide facility managers with consistent, reliable mechanical system support across multiple sites and building types.