Comfort Systems USA, Inc. (FIX) Fundamental Checkup

Comfort Systems USA, Inc. fundamental checkup using revenue growth, EPS growth, free cash flow, margins, ROIC, debt-to-equity, and TGMCharts chart exhibits as of August 24, 2026.

By TGMCharts Research · Data as of · Updated

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Comfort Systems USA, Inc. gets a balanced fundamental read when revenue growth of 32.05%, EPS growth of 47.75%, free-cash-flow growth of 59.02%, net margin of 12.78%, and ROIC of 38.80% support the same story.

The checkup weighs operating growth, shareholder conversion, cash conversion, reinvestment quality, and balance-sheet flexibility. Current ratio is 1.21x and debt-to-equity is 0.10x, so the balance-sheet read is part of the final view rather than a footnote.

  • Comfort Systems USA, Inc. has market cap of $54.97B and closed at $1,610 on August 24, 2026.
  • Five-year revenue CAGR is 32.05% and five-year EPS CAGR is 47.75%.
  • Five-year free-cash-flow CAGR is 59.02%.
  • Net margin is 12.78% and ROIC is 38.80%.
  • Current ratio is 1.21x and debt-to-equity is 0.10x.

Fundamental snapshot

The valuation, growth, profitability, and balance-sheet facts behind the checkup.

Market cap
$54.97B
Trailing P/E
39.59x
5Y revenue CAGR
32.05%
5Y EPS CAGR
47.75%
Net margin
12.78%
ROIC
38.80%
Current ratio
1.21x
Debt to equity
0.10x

Evaluating the Core Pillars of Long-Term Shareholder Returns

Analyzing Comfort Systems USA, Inc. requires evaluating whether its operational expansion, cash generation, return profile, and balance-sheet strength align into a coherent investment thesis. With the stock trading at $1,610 as of August 24, 2026, this fundamental checkup establishes an objective baseline of business health before assessing how the market prices these achievements.

Our framework tests the durability of the historical trajectory by comparing the five-year revenue CAGR of 32.05% against the five-year EPS CAGR of 47.75%. We then cross-reference these metrics with a five-year free cash flow CAGR of 59.02% to verify that reported earnings are backed by tangible cash inflows.

Current compounder snapshot · FIX

Live supporting context; not part of the article's frozen 2026-08-24 evidence snapshot.

Score
63/100
10Y CAGR
19.1%
Median YoY
22.2%
YoY volatility
σ 14.7pp· uneven
Quarters ≥ 20%
24 of 40
Negative quarters
4
Valuation vs own 10Y history
P/S 5.1x · 10Y median 1.0x · 95th percentile · as of Aug 26, 2026
How this score is computed
  • Quarters at or above 20%: 24 of 40 24 of 40 pts
  • Steadiness (typical swing 14.7pp) → 14.5 of 25 pts
  • Pace (median 22.2% YoY) → 9.6 of 20 pts
  • Latest quarter (50.3% YoY) → 15 of 15 pts
  • Score: 63 of 100

Annualized revenue (TTM) · by quarter, last 40

$0.00$2.50B$5.00B$7.50B$10.00B$12.50B20172019202120232025

Quarterly YoY revenue growth vs the 20% line

0%10%20%30%40%50%60%20%20172019202120232025

P/S multiple vs its 10Y median

0x2x4x6x8x10Y median 1.0x20172019202120232025

FIX compounder charts →All consistent compounders →

An Integrated View of Industrials Sector Performance

Operating within the competitive Industrials sector, the business must be judged on its underlying operational metrics rather than market sentiment alone. The snapshot below consolidates key performance indicators, providing a holistic perspective on growth, efficiency, and leverage before we dissect individual financial statements.

Fundamental evidence table

A compact cross-check of valuation, growth, quality, and financial flexibility.

Valuation

Market lens
39.59x
Business support
2.53%

Growth

Market lens
32.05%
Business support
47.75%

Quality

Market lens
12.78%
Business support
38.80%

Balance sheet

Market lens
1.21x
Business support
0.10x
revenue

FIX revenue

$3.27B

Revenue history shows whether the business has been expanding before margins and per-share metrics are considered.

+661.65% over 10Y

Five-year revenue CAGR: 32.05%. This is endpoint-to-endpoint from the fiscal years shown — a depressed start year can inflate it, so read it against the recent bars.

Five-year revenue CAGR of 32.05% is the top-line test. A fundamental checkup becomes more durable when revenue growth is paired with earnings growth instead of depending only on margin expansion.

Assessing the Efficiency of Top-Line to Bottom-Line Conversion

Healthy top-line expansion is only valuable if it successfully filters down to net income. The company's five-year revenue CAGR of 32.05% demonstrates strong market demand, but the real operational highlight is the five-year EPS CAGR of 47.75%. This substantial outperformance of earnings growth relative to sales indicates significant operating leverage and disciplined cost management.

EPS

FIX EPS

$12.54

EPS history shows how much of the business growth has reached shareholders.

≈23x over 10Y

Five-year EPS CAGR: 47.75%. This is endpoint-to-endpoint from the fiscal years shown — a depressed or negative start year can inflate it, so read it against the recent bars.

Five-year EPS CAGR of 47.75% is the shareholder conversion check. If EPS grows faster than revenue, the note should ask whether that came from margin quality, buybacks, or a temporary base effect.

Verifying Earnings Quality Through Cash Generation

Because accounting profits can sometimes diverge from actual liquidity, free cash flow serves as the ultimate arbiter of earnings quality. With a five-year free cash flow CAGR of 59.02%, the business proves that its bottom-line growth is highly liquid, mitigating risks associated with aggressive revenue recognition or excessive working capital build-ups.

free cash flow

FIX free cash flow

$998.06M

Free cash flow checks whether earnings are converting into owner cash.

≈143x over 10Y

Five-year free-cash-flow CAGR: 59.02%. This is endpoint-to-endpoint from the fiscal years shown — a depressed or negative start year can inflate it, so read it against the recent bars.

Free-cash-flow CAGR of 59.02% is the counterweight to the EPS story. If cash flow lags earnings, the quality of the fundamental setup deserves a more cautious reading.

Capital Allocation Efficiency and Profitability Thresholds

The structural integrity of this expansion is validated by a net margin of 12.78%, which ensures that a meaningful portion of every dollar earned is retained. More impressively, the return on invested capital stands at 38.80%, demonstrating that management is deploying capital into highly accretive projects that compound shareholder value over time.

net margin

FIX net margin

13.52%

Net margin is the operating-quality check behind the growth record.

+8.7pp over 10Y

Net margin (TTM): 12.78%. The bars below are annual fiscal years.

Net margin of 12.78% shows how much revenue becomes profit. The checkup is stronger when margin quality supports EPS growth rather than simply flattering one recent period.

ROIC

FIX ROIC

38.80%

ROIC tests whether the business earns enough on reinvested capital to deserve attention.

+23.0pp over 10Y

Latest ROIC: 38.80%.

ROIC of 38.80% is the reinvestment-quality check. A business with stronger returns can support a better long-term read even when the valuation is not obviously cheap.

Liquidity and Leverage Guardrails Safeguarding Operations

A strong growth profile can quickly be compromised by a fragile capital structure. Here, financial flexibility remains robust, characterized by a conservative debt-to-equity ratio of 0.10x and a supportive current ratio of 1.21x. These metrics indicate that the firm maintains ample liquidity to navigate cyclical downturns without relying on dilutive equity issuance or expensive debt.

debt-to-equity

FIX debt-to-equity Chart

0.32x

Debt-to-equity keeps the checkup honest about balance-sheet flexibility.

-33.33% over 5Y

Latest debt-to-equity ratio: 0.10x.

Debt-to-equity of 0.10x and current ratio of 1.21x are the balance-sheet checks. They matter because growth and margins are less valuable if financial flexibility is narrowing.

Market Pricing Against Historical Execution

The market currently prices these achievements at a trailing P/E ratio of 39.59x, which translates to an earnings yield of 2.53%. This multiple indicates that investors are pricing in continued flawless execution, placing the current market price above the conservative analyst DCF estimate.

FIX Price Chart

FIX$1,881.18 47.08%(6mo)End-of-day · Aug 17, 2026Advanced chart →

Latest close: $1,610 as of August 24, 2026.

The close at $1,610 is not the conclusion, but it is the market reference point. The fundamental read has to explain whether growth, margins, and balance-sheet support justify the price investors are paying.

Weighing the Accretion Runway Against Execution Risks

The optimistic outlook is built on a compounding loop where top-line gains are magnified by operating leverage, high cash conversion, and an exceptional ROIC. Conversely, the primary risk lies in any potential deceleration in the core business; given the premium valuation, even a minor operational hiccup or a contraction in cash flow conversion could lead to rapid multiple compression.

Bull and bear case

Fundamental support

  • Five-year revenue CAGR of 32.05% and five-year EPS CAGR of 47.75% support the business case.
  • Net margin of 12.78% and ROIC of 38.80% are the quality checks behind the thesis.

Fundamental pressure

  • Free-cash-flow CAGR of 59.02% can weaken the read if it falls away from EPS growth.
  • Debt-to-equity of 0.10x and current ratio of 1.21x are the balance-sheet checks that can change the view.

Monitoring Key Thresholds for Future Adjustments

This fundamental checkup provides an objective snapshot of current performance, but our conclusions must adapt as new data emerges. Significant shifts in capital expenditure efficiency, changes in the current ratio, or a divergence between cash flow and net income will necessitate a revision of this operational assessment.

FAQ

What is the fundamental read on FIX?

Comfort Systems USA, Inc. is judged through revenue growth of 32.05%, EPS growth of 47.75%, free-cash-flow growth of 59.02%, net margin of 12.78%, and ROIC of 38.80%.

Which FIX fundamental metric matters most?

No single metric carries the article. The checkup requires growth, cash conversion, profitability quality, balance-sheet flexibility, and valuation to be read together.

When should this FIX checkup refresh?

Its figures are as of August 24, 2026, the note's dated snapshot; a note whose figures stop verifying against reported data is corrected or unpublished.

What would change our mind

  • Revenue growth moving away from the current five-year CAGR of 32.05%.
  • Free-cash-flow growth drifting away from five-year EPS CAGR of 47.75%.
  • ROIC or balance-sheet flexibility weakening from ROIC of 38.80% and debt-to-equity of 0.10x.

The bottom line

Comfort Systems USA, Inc. fundamental research note from TGMCharts Research, grounded in a dated fundamentals snapshot, chart exhibits, and linked source facts.

Read next: FIX fundamentalsContinue with Comfort Systems USA, Inc.'s full stock page.
How we checked this researchShow

Data snapshot · By TGMCharts Research.

Every number in this note comes from data we compute and store ourselves from the company's reported figures, plus verbatim excerpts from its SEC filings. When a value isn't available we say so — we never fill gaps with estimates.

Latest filing excerpt

10-Q · filed 2026-07-23 · period 2026-06-30 · SEC EDGAR source

  • On a same-store basis, excluding amortization expense, SG&A increased $57.9 million, or 29.6%.
  • On a same-store basis, excluding amortization expense, SG&A increased $120.0 million, or 31.9%.
  • Expense from changes in the fair value of contingent earn-out obligations for the second quarter of 2026 decreased $2.0 million, or 49.8%, as compared to the same period in 2025.
  • Same-store sequential backlog growth was primarily a result of increased project bookings in the technology sector at our Texas electrical operation ($1.00 billion) and our Texas modular operation ($510.2 million).
Full methodology