Comfort Systems USA

FIX · NYSE

$1,397.09−$66.98 (−4.57%)TodayMarket closed · Oct 20, 7:58 PM ET

Prev close $1,464.07

FIX analyst rating

BuyConsensus of 8 analysts over the last 12 months. 100% rate it a buy.

Strong buy0
Buy8
Hold0
Underperform0
Sell0

12-month price target · 11 analysts

Average $2,207.43 (+58.0% upside)

Low: $1,818.45
Now: $1,397.09
High: $2,625.00

Upgrades and downgrades

The latest rating actions, newest first

FIX analyst upgrades, downgrades and rating actions
Firm	Date	Action	Rating	Price target	Hit rate
Keybanc	Oct 15, 2026	Maintains	Overweight	$2,110.00 → $2,125.00	47%
DA Davidson	Aug 21, 2026	Initiates	Buy	$2,100.00	40%
UBS	Jul 27, 2026	Maintains	Buy	$2,125.00 → $2,225.00	51%
Keybanc	Jul 27, 2026	Maintains	Overweight	$2,004.00 → $2,110.00	47%
Goldman Sachs	Jul 9, 2026	Initiates	Buy	$2,159.00	58%
UBS	Jun 8, 2026	Maintains	Buy	$1,992.00 → $2,125.00	51%
Oppenheimer	May 28, 2026	Initiates	Outperform	$2,200.00	61%
UBS	Apr 27, 2026	Maintains	Buy	$1,680.00 → $1,992.00	51%
Keybanc	Apr 24, 2026	Upgrade	Sector Weight → Overweight	$2,004.00	47%
GLJ Research	Apr 21, 2026	Initiates	Buy	$2,001.00	44%

The case for and against

Updated Oct 11, 2026

Bull case

Comfort Systems USA is favored for its differentiated modular mechanical and electrical platform, which reduces on-site labor needs, speeds project completion, and appears to be winning meaningful hyperscaler demand. Strong execution, peer-leading margins, and a backlog of $14.1B support visibility, while modular sales have grown at nearly a 50% CAGR between 2021 and 2025 and capacity is set to rise to 5M sq. ft by mid-2027, potentially adding $800M+ of annualized sales capacity. Its financial strength further supports the bullish case, with $1.8B of net cash, robust free cash flow, and significant acquisition optionality that could amplify growth beyond already conservative estimates.

Bear case

Comfort Systems USA is viewed negatively because its growth depends heavily on a narrow set of hyperscaler customers, with capacity expansions from 3.5M to 5M sq. ft. driven overwhelmingly by existing commitments rather than broad-based demand, leaving the outlook concentrated and vulnerable. The broader nonresidential construction backdrop remains lethargic, with TTM spending put in place at -5% y/y, while rising interest rates, economic uncertainty, supply chain disruptions, and cost inflation could pressure project timing, revenue, and margins. In addition, the company’s history of acquisitiveness and project-oriented business model add execution risk, and capital deployed to acquisitions has represented roughly half of annual FCF generation over the last 5-years, limiting financial flexibility.

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