What happened
Comfort Systems USA, Inc. (NYSE: FIX) reported third-quarter 2026 net income of $489.0 million on October 22, 2026. The board also declared a quarterly dividend of $1.00 per share, up $0.10 from the most recent dividend.
Revenue rose to $3.77 billion from $2.45 billion in 2025. Operating cash flow reached $1.01 billion, up from $553.3 million.
Net income was $489.0 million, or $13.91 a diluted share, compared with $291.6 million, or $8.25, a year earlier. Operating income rose to $624.6 million from $378.9 million. Backlog was $17.81 billion at September 30, 2026, compared with $14.06 billion at June 30, 2026 and $9.38 billion at September 30, 2025.
Key numbers
| Metric | Latest | Change | Source |
|---|---|---|---|
| Revenue | $3.77 billion | from $2.45 billion, +53.7% | SEC 8-K |
| Net income | $489.0 million | from $291.6 million, +67.7% | SEC 8-K |
| Operating cash flow | $1.01 billion | from $553.3 million, +82.6% | SEC 8-K |
| Backlog | $17.81 billion | from $9.38 billion, +89.9% | SEC 8-K |
Read more: Comfort Systems USA (FIX) stock analysis and investment case
Why it matters
Quarterly revenue rose by about $1.32 billion year over year. That gives the business a larger base of work and cash generation. OptimistFi's case is that Comfort Systems USA can keep compounding if scale keeps turning nonresidential demand into higher-margin work, and this quarter supports that view.
Net income per diluted share also climbed to $13.91 from $8.25. Operating income rose to $624.6 million from $378.9 million. The filing also says unexpected backlog adjustments or cancellations could keep that backlog from becoming revenue or profits. The dividend increase adds a cash-return signal, but it does not by itself prove the growth rate can persist.
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What's next
The company will host a webcast and conference call on Friday, October 23, 2026 at 10:00 a.m. Central Time. Investors will hear management discuss the results and position. The slide presentation will be on the company's website, and a replay will be available the next business day after the call.
The dividend will be payable on November 23, 2026 to stockholders of record at the close of business on November 12, 2026. Confirmation that backlog keeps translating into revenue and cash flow would support the case, while softer commentary on conversion would weaken it.
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Sources
- SEC 8-K, Exhibit 99.1 — Third-quarter 2026 results, cash flow and backlog
- SEC 8-K, Exhibit 99.2 — Quarterly dividend increase
Read the full OptimistFi thesis on Comfort Systems USA, Inc.: https://optimistfi.com/stocks/FIX
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The full Comfort Systems USA, Inc. investment case, its status and the next test to watch live on the Comfort Systems USA, Inc. thesis page.
Originally published on OptimistFi, evidence-first equity research. More at optimistfi.com.
