How does Comfort Systems USA (FIX) make money?

Comfort Systems USA (FIX) generates revenue primarily from Mechanical Segment, which accounted for 72.3% of total revenue in TTM through Q1 2026. The company reported $10.14B in revenue and converted 12.1% of it into net profit, equivalent to roughly $1.22B in net income — what's left after the cost of revenue, operating expenses, interest, and income taxes.

What is the gross profit margin of Comfort Systems USA (FIX)?

Comfort Systems USA (FIX) reported a gross profit margin of 25.1% in TTM through Q1 2026, equivalent to $2.55B in gross profit on $10.14B in revenue. Gross margin measures how much of each dollar of revenue remains after the direct cost of producing or delivering the product — a higher figure typically signals pricing power, scale, or a less capital-intensive business model.

What is the operating profit margin of Comfort Systems USA (FIX)?

Comfort Systems USA (FIX) reported an operating profit margin of 15.7% in TTM through Q1 2026, equivalent to $1.59B in operating income. Operating margin captures profitability after research & development, sales & marketing, and general & administrative expenses — but before interest, taxes, and one-off items — and is the cleanest single read on the underlying business's efficiency.

What is the net profit margin of Comfort Systems USA (FIX)?

Comfort Systems USA (FIX) reported a net profit margin of 12.1% in TTM through Q1 2026, equivalent to $1.22B in net income. Net margin is the bottom-line share of revenue that survives every expense — operating costs, interest, and income taxes — and is the figure that flows directly into earnings per share.

Is Comfort Systems USA (FIX) profitable?

Yes. Comfort Systems USA (FIX) reported $1.22B in net income for TTM through Q1 2026, with a net profit margin of 12.1%. The company earned more from its operations than it paid out in costs, interest, and income taxes, leaving positive earnings on the bottom line.

How much does Comfort Systems USA (FIX) spend on capital expenditures?

Comfort Systems USA (FIX) spent $280.17M on capital expenditures (CapEx) during TTM through Q1 2026, roughly 2.8% of total revenue. CapEx represents long-lived investment in property, equipment, data centres, and other physical infrastructure, and is subtracted from operating cash flow to arrive at free cash flow.

How much free cash flow does Comfort Systems USA (FIX) generate?

Comfort Systems USA (FIX) generated $1.38B in free cash flow during TTM through Q1 2026, a free-cash-flow margin of 13.6%. Free cash flow is the cash left after capital expenditures and represents the discretionary pool the company can use to pay dividends, repurchase shares, repay debt, or fund acquisitions without raising external capital.

What is the effective tax rate of Comfort Systems USA (FIX)?

Comfort Systems USA (FIX) had an effective tax rate of 21.9% in TTM through Q1 2026. The effective rate is the actual share of pre-tax income paid as income taxes and can differ materially from the statutory rate due to foreign earnings mix, tax credits (such as R&D), share-based compensation deductions, and one-off discrete items.

What are the main business segments of Comfort Systems USA (FIX)?

Comfort Systems USA (FIX) reports revenue across 2 reportable product segments, led by Mechanical Segment at 72.3% of total revenue in TTM through Q1 2026. See the revenue-by-segment table on this page for the full breakdown and how each segment feeds into the income-statement waterfall above.

How Comfort Systems USA Makes Money: 2026 Visual Revenue Map

Comfort Systems USA (FIX) Income Statement Flow — TTM through Q1 2026

Calculated from the four most recent reported quarters, ending March 31, 2026 (reported April 23, 2026).

Comfort Systems USA discloses geographic revenue only in annual filings. to view the full breakdown.

Comfort Systems USA (FIX) Revenue by Product Segment — TTM through Q1 2026

Aggregated from the four quarterly disclosures behind this TTM. Minor differences vs the company's annual filing can occur if reported segments changed mid-year.

Revenue contribution by product segment for Comfort Systems USA (FIX) in TTM through Q1 2026.
Segment	Revenue (USD)	% of total
Mechanical Segment	$7.33B	72.3%
Electrical Segment	$2.80B	27.7%
Total	$10.14B	100%

Mechanical Segment$7.33B
Electrical Segment$2.80B
Total$10.14B

Revenue Breakdown — TTM through Q1 2026

In TTM through Q1 2026, Comfort Systems USA (FIX) reports revenue across 2 operating segments; the largest segment was Mechanical Segment at 72.3%, followed by Electrical Segment (27.7%).

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