Comfort Systems USA stock: Q3 backlog reaches $17.81 billion

Comfort Systems USA reported a record third quarter on October 22, with revenue, earnings and backlog all advancing from the prior-year period. The company's release said revenue reached 3.77 billion US dollars, while net income increased to 489.0 million US dollars from 291.6 million US dollars. The company release also reported diluted earnings of 13.91 US dollars per share.

Backlog extends project visibility

Backlog stood at 17.81 billion US dollars on September 30, up from 14.06 billion US dollars at the end of June and 9.38 billion US dollars a year earlier. On a same-store basis, backlog reached 17.39 billion US dollars. Chief Executive Officer Brian Lane said strong demand and execution had produced sequential backlog growth of 3.8 billion US dollars.

Management said it remains well positioned to grow organically through the end of 2026 and during 2027 while maintaining high profitability and solid cash flow. That outlook gives investors a clear operating signal, although backlog still depends on project execution, labor availability and customer payments.

Cash generation remains a key signal

Operating cash flow reached 1.01 billion US dollars in the quarter, compared with 553.3 million US dollars a year earlier. For the first nine months, operating cash flow was 2.54 billion US dollars, versus 717.8 million US dollars in the prior-year period.

Comfort Systems USA stock traded at 971.00 euros on Lang & Schwarz at 16:03 CET on Wednesday, November 4, 2026. The real-time quote of Comfort Systems USA stock is available for the latest trading indication.

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