Comfort Systems USA Inc
- Industry
- Diversified Industrials
- Exchange
- US
- Country
- USA
- IPO date
- Jun 27, 1997
- Employees
- 22,700
- Website
- comfortsystemsusa.com
Composite valuation range · conservative $350–$500 / fair $550–$750 / optimistic $850–$1,100. At $1,730.42, Above the optimistic ceiling · future growth overdrawn.
At publication $1,828 (May 26, 2026)
Data from EODHD, shown in the reporting currency; for reference only, not investment advice.
Comfort Systems USA, Inc., together with its subsidiaries, provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. The company operates through two segments: Mechanical and Electrical. It offers heating, ventilation, and air conditioning systems, as well as plumbing, electrical, piping and controls, off-site construction, monitoring, and fire protection. The company is also involved in the design, engineering, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) and related systems in new buildings; and renovation, expansion, maintenance, monitoring, repair, and replacement of systems in existing buildings. In addition, it provides remote monitoring of power usage, temperature, pressure, humidity and air flow for MEP and other building systems. The company serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.
History
Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas. The company completed its IPO on June 27, 1997. In recent years it has grown both organically and through acquisitions: it acquired Summit for about $360 million in 2024, and acquired Right Way, Century, Feyen Zylstra, and Meisner in 2025. Brian Lane has served as CEO since 2011, with COO Trent McKenna becoming president beginning in 2026 in a gradual, planned succession.
Industry position
Comfort Systems USA is a U.S. provider of mechanical and electrical installation, renovation, maintenance, repair, and replacement services (including HVAC, plumbing, electrical, controls, off-site construction, and fire protection), operating through two segments, Mechanical and Electrical. In 2025 it generated about $9.10 billion in revenue (Mechanical about $6.67 billion, Electrical about $2.43 billion) and employs roughly 22,700 people. The company estimates the U.S. commercial, industrial, and institutional MEP contracting market at roughly hundreds of billions of dollars annually and describes it as highly competitive with thousands of local and regional firms. The company considers itself larger than most competitors, which are mainly small regional owner-operated firms; its closest larger comparable is EMCOR, while Limbach is a smaller peer.