Comfort Systems USA, Inc. (FIX Quick QuoteFIX - Free Report) continues to crush it in the data center trade. This Zacks Rank #1 (Strong Buy) is now expected to grow 2026 sales at 48.6%.

Comfort Systems provides commercial, industrial, and institutional heating, ventilation, air conditioning, and electrical contracting services. It has 211 locations in 155 cities across the United States.

Comfort Systems USA Extends Its Earnings Surprise Streak

On Oct 22, 2026, Comfort Systems USA reported its third quarter 2026 results and beat on the Zacks Consensus for the nineteenth time in a row. It hasn’t missed since 2022. That’s an impressive earnings streak.

It reported earnings of $13.91, which easily beat the Zacks Consensus of $12.71.

Revenue was up 50% to $3.77 billion year-over-year.

Cash flow exceeded $1 billion in the quarter compared to $553.3 million in 2025.

Backlog as of Sep 30, 2026, jumped to $17.8 billion compared to $14.1 billion as of June 30, 2026, and $9.38 billion a year ago, as of Sep 30, 2025. On a same-store basis, backlog rose to $17.4 billion as of Sep 30, 2026, up from $9.4 billion as of Sep 30, 2025.

“Relentless demand, together with our competence and reputation, produced sequential backlog growth of $3.8 billion, and a year over year backlog increase exceeding $8.0 billion,” said Brian Lane, CEO of Comfort Systems USA.

“We continue to experience robust demand, and thanks to the dedication and excellence of our workforce, we believe that through year end and for 2027 we are well-positioned to grow organically, and to maintain high levels of profitability and solid ongoing cash flow,” he added.

Analysts Are Bullish on Comfort Systems USA in 2026 and 2027

It was another great quarter for Comfort Systems USA so it shouldn’t be surprising that the analysts are bullish.

Three estimates were revised higher for 2026 in the last week which pushed up the Zacks Consensus Estimate to $50.18 from $48.60. The most accurate estimate, which is the most recent, is even more bullish at $50.77.

This is earnings growth of 73.8% year-over-year. Comfort Systems only made $28.88 last year.

Analysts are also bullish on 2027. Four estimates have been revised higher in the last week for next year, sending the Zacks Consensus up to $65.30 from $58.85 in the last seven days.

That’s another 30% earnings growth.

The AI data center trade is not slowing if you look at the price, consensus and surprise chart.

Image Source: Zacks Investment Research

Comfort Systems USA Shares Plunge: Should You Be Buying?

It didn’t matter that Comfort Systems USA beat again and the estimates are up. The Street has decided that the AI Revolution stock trade is over and the stocks need to be sold.

This has created a buying opportunity in Comfort Systems USA.

Shares are down 35.7% over the last six months so valuations look much more attractive.

Image Source: Zacks Investment Research

Comfort Systems USA now has a forward P/E of 24.6. While a P/E above 15 is usually not considered a value stock, Comfort Systems was much more expensive just a few months ago. For a growth stock, a P/E of 24.6 is attractive.

Comfort Systems is also shareholder friendly. On Oct 22, 2026, it raised its quarterly dividend by $0.10 to $1.00 per share. That’s yielding 0.3%.

It’s payable on Nov 23, 2026, to shareholders of record as of the close of business on Nov 12, 2026.

For investors who are looking for an AI Revolution growth stock with reasonable valuations, Comfort Systems USA should be on your short list.