Comfort Systems USA Is Up 20% in the Last 30 Days. Here’s What to Expect in 2026

Nikko Henson3 minute read
Reviewed by: Thomas Richmond
Last updated Feb 18, 2026

Key Stats for Comfort Systems Stock

  • 30-Day Performance: 20%
  • 52-Week Range: $276 to $1,399
  • Valuation Model Target Price: $1,485
  • Implied Upside: 11%

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What Happened?

Comfort Systems USA stock is up about 20% in the last 30 days, recently trading near $1,338 per share and sitting just below its $1,399 52 week high. The rally has been driven by investor positioning ahead of the company’s fourth quarter and full year 2025 earnings release scheduled for February 19, 2026, with a conference call set for February 20.

The stock moved higher primarily because markets are anticipating continued revenue expansion and stable margins heading into 2026.

As earnings approach, investors often increase exposure when forward growth expectations remain intact, and the recent climb suggests confidence in management’s ability to sustain momentum rather than signal a slowdown.

Recent company updates also included leadership changes, with Trent McKenna becoming President and COO effective January 1, 2026, while Brian Lane remains CEO, signaling operational continuity as the company scales into a higher revenue base.

Institutional ownership remains elevated at 96.51%, reflecting sustained participation from large investors despite the stock’s strong recent run.

While some firms trimmed positions, overall ownership levels indicate continued institutional confidence in the company’s growth profile.

Comfort Systems stock
Comfort Systems Guided Valuation Model

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Is Comfort Systems Undervalued?

Under valuation assumptions, the stock is modeled using:

  • Revenue Growth (CAGR): 19%
  • Operating Margins: 14.1%
  • Exit P/E Multiple: 34x

Revenue is projected to increase from $8.79 billion in 2025 to $10.17 billion in 2026 and to $11.27 billion in 2027, based on analyst estimates shown in the forward revenue chart.

The key focus in 2026 will be sustaining double-digit revenue growth as the company operates above the $10 billion level.

Comfort Systems stock
Comfort Systems Revenue & Analyst Growth Estimates Over Five Years

Margin durability remains central to the thesis. With operating margin assumptions of 14.1%, incremental revenue must convert efficiently into operating income to justify the current valuation and support earnings growth.

Performance in 2026 will depend on continued revenue execution, disciplined cost control, and efficient conversion of contracted work into recognized sales under the new leadership structure.

With approximately $457 million in net cash, the company maintains financial flexibility to support working capital and strategic growth initiatives without balance sheet strain.

Based on these inputs, the model implies about 11% total upside, or roughly 5.7% annualized returns, suggesting shares offer moderate upside at current levels if projected growth and margins materialize.

At current prices near $1,338 per share, FIX appears modestly undervalued heading into 2026, with future returns driven primarily by sustained revenue growth and operating leverage rather than significant multiple expansion.

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  2. Operating Margins
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