COMFORT SYSTEMS USA INC

Comfort Systems USA provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services across the United States. The company's service portfolio encompasses heating, ventilation, and air conditioning systems; plumbing and piping; electrical work; fire protection; and controls integration. It performs both design-engineering phases and installation work for mechanical, electrical, and plumbing (MEP) systems in new construction, as well as ongoing maintenance, monitoring, and replacement services for existing building infrastructure. The company also offers remote monitoring capabilities for power usage, temperature, pressure, humidity, and air flow across building systems.

Operations are organized into two segments: Mechanical and Electrical. The Mechanical segment addresses HVAC, plumbing, piping, and fire protection services, while the Electrical segment handles electrical installation and related work. The company serves building owners and developers, general contractors, architects, consulting engineers, and property managers in commercial, industrial, and institutional markets.

With approximately 22,700 full-time employees and headquarters in Houston, Texas, Comfort Systems USA operates at substantial scale within the building services contracting industry. The company was established in 1917 and maintains a distributed operational footprint across the United States to service its diverse customer base.