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Comfort Systems USA logo

Comfort Systems USA Business Segments

Business, geographic, and product segment breakdowns

Comfort Systems USA generates $9.3B in annual revenue across 2 key segments: Electrical ($1.5B), and Mechanical ($4.9B). The company-wide operating margin is 13.39%. Based on the Q1 2026 filing.

Electrical (TTM)$1.5BMechanical (TTM)$4.9B
Latest FilingQ1 2026
Report Date2026-04-23
Market Cap$64.9B
P/E Ratio53.00
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$149K$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%
Electrical0.3%23.4%24.6%26.1%1.8%28.1%

Revenue

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$1.5B$1.4B$1.6B$1.8B—$2.1B
Electrical$415.5M$429.1M$534.6M$640.5M—$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$14M—$10.8M
Electrical$5.5M$5.5M$5.5M$5.5M—$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$985M$1B$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—$1.5B
Electrical$307.2M$330.2M$399.4M$472.4M—$604.6M

Depreciation

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$10.5M$11.4M$12.1M$13M—$15.2M
Electrical$2M$2.3M$2.5M$2.6M—$3M

Gain Loss On Disposition Of Assets

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$208K$352K$371K$418K—$347K
Electrical$44K$204K$71K$164K—-$45K

Goodwill

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$601.5M$632.1M$654M$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—$554.3M
Electrical$108.3M$98.9M$135.3M$168.1M—$200.1M

Operating Income

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$189.4M$172.6M$237.9M$287.8M—$398.1M
Electrical$52.8M$55.1M$80.1M$108.2M—$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—$140.2M
Electrical$15.1M$3.5M$6.1M$5.8M—$6.6M

SG&A Expense

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Mechanical$136.2M$132.3M$137.1M$152.4M—$156.5M
Electrical$55.5M$44M$55.2M$60M—$79.9M

Percentage Of Revenue From Contract With Customer

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
New Construction—58.2%57.9%65.2%2.5%74.5%
Existing Building Construction0.4%26.9%27.9%21.5%—15.2%
Service Calls Maintenance And Monitoring—8.4%7.5%7.2%—5.5%
Service Projects—6.5%6.7%6.1%—4.8%

Revenue

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
New Construction$1.1B$1.1B$1.3B$1.6B$1.8B$2.1B
Existing Building Construction$537.9M$492.6M$607.2M$527.1M$491.4M$436.6M
Service Calls Maintenance And Monitoring$162.4M$154.4M$162.9M$176M$168.3M$157.1M
Service Projects$113.3M$119.2M$146.3M$150.4M$153M$138.1M

Goodwill Impaired Accumulated Impairment Loss

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