Income StatementBalance SheetCash FlowSegments
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Comfort Systems USA Business Segments

Business, geographic, and product segment breakdowns

Comfort Systems USA generates $10.1B in annual revenue across 2 key segments: Electrical ($2.1B), and Mechanical ($5.5B). The company-wide operating margin is 15.7%. Based on the Q1 2026 filing.

Electrical (TTM)$2.1BMechanical (TTM)$5.5B
Latest FilingQ1 2026
Report Date2026-04-23
Market Cap$68.4B
P/E Ratio55.87
ROE53.29%

Products & Services

Allowance For Doubtful Accounts Receivable

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Construction$9.9M———$12.8M—

Allowance For Doubtful Accounts Receivable Write Offs

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Construction$149.0K$128.8K$128.8K$128.8K$128.8K—

Provision For Doubtful Accounts

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Construction$682.8K$870.3K$870.3K$870.3K$870.3K—

Percentage Of Revenue From Contract With Customer

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical—76.6%75.4%73.9%—71.9%
Electrical—23.4%24.6%26.1%—28.1%

Revenue

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$1.5B$1.4B$1.6B$1.8B$1.8B$2.1B
Electrical$415.5M$429.1M$534.6M$640.5M$823.7M$804.7M

Concentration Risk %

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Maintenance Repair And Replacement Service—9.2%9.2%9.2%9.2%—
System Installation In Newly Constructed Facilities—15.8%15.8%15.8%15.8%—

Business Segments

Amortization Of Intangible Assets

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$16.5M$14.6M$14.3M$14.0M$11.3M$10.8M
Electrical$5.5M$5.5M$5.5M$5.5M$8.8M$9.6M

Total Assets

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$3.2B$3.3B$3.6B$3.7B$3.7B$4.1B
Electrical$985.0M$1.0B$1.1B$1.2B$1.8B$1.8B

Cost of Revenue

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$1.1B$1.1B$1.3B$1.4B$1.4B$1.5B
Electrical$307.2M$330.2M$399.4M$472.4M$602.5M$604.6M

Depreciation

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$10.5M$11.4M$12.1M$13.0M$14.2M$15.2M
Electrical$2.0M$2.3M$2.5M$2.6M$2.8M$3.0M

Gain Loss On Disposition Of Assets

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$208.0K$352.0K$371.0K$418.0K$292.0K$347.0K
Electrical$44.0K$204.0K$71.0K$164.0K$102.0K-$45.0K

Goodwill

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$601.5M$632.1M$654.0M$654.4M$654.4M$654.4M
Electrical$273.8M$273.8M$273.8M$273.8M$371.1M$371.1M

Gross Profit

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$325.4M$304.5M$374.6M$439.8M$453.5M$554.3M
Electrical$108.3M$98.9M$135.3M$168.1M$221.2M$200.1M

Operating Income

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$189.4M$172.6M$237.9M$287.8M$301.2M$398.1M
Electrical$52.8M$55.1M$80.1M$108.2M$144.0M$120.2M

Segment Expenditure Addition To Long Lived Assets

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$24.6M$18.4M$24.9M$28.9M$54.3M$140.2M
Electrical$15.1M$3.5M$6.1M$5.8M$11.1M$6.6M

SG&A Expense

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$136.2M$132.3M$137.1M$152.4M$152.6M$156.5M
Electrical$55.5M$44.0M$55.2M$60.0M$77.3M$79.9M

Percentage Of Revenue From Contract With Customer

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
New Construction—0.580.580.65—0.74
Existing Building Construction—0.270.280.21—0.15
Service Calls Maintenance And Monitoring—0.080.070.07—0.06
Service Projects—0.070.070.06—0.05

Revenue

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
New Construction1054246000.001065084000.001256866000.001597452000.001833384000.002133494000.00
Existing Building Construction537862000.00492603000.00607236000.00527139000.00491385000.00436601000.00
Service Calls Maintenance And Monitoring162389000.00154385000.00162946000.00175995000.00168321000.00157149000.00
Service Projects113307000.00119214000.00146271000.00150383000.00152977000.00138088000.00

Goodwill Impaired Accumulated Impairment Loss

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$116.6M———$116.6M—