Overall verdict
Buy
8.1/10
1-year performance
+18.73%
Score breakdown
Up 18.7% over 1 year, 24% of the 52-week range.
Strongest: Profitability 10.0/10. Weakest: Shareholder return 4.9/10.
12 analysts, target +0.6% vs the price.
Comfort Systems USA, Inc., together with its subsidiaries, provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. The company operates through two segments: Mechanical and Electrical. It offers heating, ventilation, and air conditioning systems, as well as plumbing, electrical, piping and controls, off-site construction, monitoring, and fire protection.
The company is also involved in the design, engineering, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) and related systems in new buildings; and renovation, expansion, maintenance, monitoring, repair, and replacement of systems in existing buildings. In addition, it provides remote monitoring of power usage, temperature, pressure, humidity and air flow for MEP and other building systems.
The company serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.
Sector
Industrials
Industry
Construction and Engineering
Primary listing
Nyse
United States
CEO
Brian Lane
Founded
1917
Employees
22 700
Revenue / employee
400 953 USD
Next earnings
February 18, 2027 (estimated)
Institutional holders
- FMR LLC4.76%
- GEODE CAPITAL MANAGEMENT, LLC3.39%
- Bank of New York Mellon Corp0.53%
- Rest of the register91.32%
3 13F filings as of September 30, 2026: US managers above $100M, filed up to 45 days after quarter end. No insiders, no retail. A share on loan is declared by its lender and by whoever bought it from the short seller, so the total can exceed 100%.
Research uses the underlying stock’s market history. The purchase quote is calculated separately when you review your order.
52-week high
2073.99 USD
52-week low
841.66 USD
1-year performance
18.73%
Rising
Year-to-date performance
21.68%
Rising
Drawdown
-44.94%
Major drawdown
Position in the 52-week range
24% of range
Against the world ETF
Over 26 years, from December 2000 to October 2026, the share did better than the world ETF once risk is accounted for.
$10,000 placed at the end of December 2000 are worth today
| Comfort Systems USA | $7,245,580 |
| World ETF | $65,117 |
| S&P 500 | $91,204 |
| Risk-free placement | $15,894 |
The risk
- Shaking:the share moves 3.0 times as much as the world ETF.
- Worst fall:-60Â % between June 2002 and April 2003. $10,000 placed at the top fell to $3,964. The world ETF, at worst: -53Â %. Back to its high in 8 months.
Comfort Systems USA earned 111 times as much as the world ETF since 2000
Value of $10,000 placed at the end of December 2000, dividends reinvested, in dollars
- Comfort Systems USA: $7,245,580
- World ETF: $65,117
- S&P 500: $91,204
- Risk-free placement: $15,894
Based on past performance. This is not a recommendation.
Range: 1009.65 USD - 1057.64 USD (comparables only)
The price implies growth of 2.39% per year; the company grows at 25.00%.
Quality and profitability
10.0/10Gross margin 25.0%, net margin 13.0%, ROIC 51.6%, ROE 58.6%.
Net margin
13.01%
Exceptional
Sector 4.42%|S&P 13.40%
Gross margin
25.02%
Exceptional
Return on equity (ROE)
58.61%
Exceptional
Sector 11.01%|S&P 17.06%
Return on invested capital (ROIC)
51.59%
Exceptional
Free cash flow margin (FCF)
19.43%
Exceptional
Profit-to-cash conversion (FCF conversion)
1.49x
Exceptional
Margin stability
2.2 pts
Steady
Revenue to net income
Growth
9.1/10Revenue up 53.7% over 1 year, 26.1% a year over 5, EPS 47.9% a year over 5.
Revenue (trailing 12 months)
12.5Md USD
Revenue growth (1y)
53.67%
Hyper-growth
Revenue growth (3y)
119.83%
Strong
EPS growth (1y)
68.72%
Hyper-growth
EPS CAGR (5y)
47.85%
Exceptional
EPS revisions (3 months)
3.72%
Revised up
Valuation
5.9/10P/E 24.7x, forward P/E 22.5x, EV/EBITDA 16.8x, PEG 0.52. The multiple sits in the 69th percentile of its own 5-year history.
P/E (TTM)
24.7x
Expensive
Sector 16.7x|S&P 23.6x
Forward P/E
22.5x
Expensive
EV / EBITDA
16.8x
Expensive
Sector 10.2x|S&P 15.5x
PEG
0.52
Growth unpriced
Sector 0.84|S&P 0.91
Fair value (reverse DCF)
1033.65 USD
Fairly priced
P/E vs its own 5-year history
among the 31% highest valuations
Pricier than usual
Market cap
39.9Md USD
Financial strength
10.0/10Cash covers 593.9% of the debt, net debt/EBITDA -0.3x.
Net debt / EBITDA
-0.3x
Very solid
Gearing (net debt / equity)
-55.45%
Net cash
Cash
2.2Md USD
Cash / market cap
5.57%
Tight
Cash / total debt
593.92%
Net cash
Interest coverage
125.1x
Very solid
Net debt
-1.8Md USD
Equity
3.3Md USD
Closed daily candles, 2 years
Last close on November 10, 2026: 1,105.93 USD
- MM201,269.02
- MM501,494.77
- MM2001,605.09
- RSI 1437.5
Top panel: closed candles, 20, 50 and 200-day moving averages, with volume in grey. Bottom panel: 14-day RSI with dashed 30 and 70 levels.
200-day average slope, 1 month
+1.62%
200-day average slope, 3 months
+11.93%
50-day average slope, 1 month
-10.10%
Price structure
Lower lows
Bullish RSI divergence
No
20-day volatility
6.53 % per day
Volatility change
+82.36%
Forecasts by fiscal year
| Fiscal year | EPS | Normalised EPS | Revenue | EBITDA | Net income |
|---|---|---|---|---|---|
| 2026 | 50.69 (10) | 50.75 (11) | 13 719 (12) | 2 468 (12) | 1 786 (11) |
| 2027 | 66.96 (11) | 67.15 (12) | 17 395 (12) | 3 217 (12) | 2 348 (11) |
Amounts in millions of USD, EPS in USD per share. In brackets, the number of analysts. Consensus as of November 10, 2026.
Same sub-industry: 429 companies behind the medians.
| # | Company | Code | Country | Overall / 10 | Fundamentals / 10 | Mkt cap | P/E | Net margin | Revenue growth | ROIC | Net debt / EBITDA | FCF yield | 1-year perf. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FIX | 8.1 | 8.1 | 39.9Md USD | 24.7x | 13.0 % | 53.7 % | 51.6 % | -0.3x | 6.1 % | 18.7 % | ||
| 2 | EME | 7.7 | 7.9 | 29.2Md USD | 19.2x | 7.8 % | 28.8 % | 36.8 % | -0.4x | 5.1 % | 2.5 % | ||
| 3 | DG | 6.6 | 7.1 | 71.0Md USD | 12.7x | 6.7 % | 4.0 % | 8.4 % | 1.6x | 13.3 % | -2.6 % | ||
| 4 | PWR | 6.5 | 5.5 | 91.6Md USD | 55.1x | 4.5 % | 57.4 % | 10.7 % | 2.3x | 3.4 % | 36.1 % | ||
| 5 | HOT | 6.4 | 6.1 | 30.5Md USD | 28.9x | 2.3 % | 22.3 % | 10.8 % | 0.7x | 8.1 % | 33.5 % | ||
| 6 | ACS | 6.3 | 5.4 | 26.6Md USD | 24.0x | 1.9 % | 93.2 % | 5.7 % | 0.7x | 10.7 % | 19.5 % | ||
| 7 | 500510 | 5.6 | 5.4 | 61.4Md USD | 32.1x | 6.4 % | 15.8 % | 10.8 % | 1.2x | — | 5.3 % | ||
| 8 | 601668 | 5.2 | 4.3 | 27.9Md USD | 6.0x | 1.5 % | -16.1 % | — | 5.4x | — | -16.2 % | ||
| 9 | FER | 4.0 | 3.0 | 43.0Md USD | 65.3x | 6.0 % | 5.2 % | 3.8 % | 4.4x | 5.5 % | -4.2 % |
