Comfort Systems USA Inc. 2026年季度报告

Form10-Q (MarkOne) ☒QUARTERLY REPORT PURSUANT TO SECTION13 OR 15(d) OF THESECURITIES EXCHANGE ACT OF1934For the quarterly period ended March 31, 2026 Commission file number: 1-13011 COMFORT SYSTEMS USA,INC. (Exact name of registrant as specified in its charter) Indicate by check mark whether the registrant (1)has filed all reports required to be filed bySection13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12months (or for suchshorter period that the registrant was required to file such reports), and (2)has been subject to such filing Indicate by check mark whether the registrant has submitted electronically every Interactive DataFile required to be submitted pursuant to Rule405 of RegulationS-T (Section232.405 of this chapter) Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, anon-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of“large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth If an emerging growth company, indicate by check mark if the registrant has elected not to use theextended transition period for complying with any new or revised financial accounting standards provided Indicate by check mark whether the registrant is a shell company (as defined in Exchange Act The number of shares outstanding of the issuer’s common stock as of April 17, 2026 was35,202,424 (excluding treasury shares of 5,920,941). COMFORT SYSTEMS USA, INC.INDEX TO FORM 10-Q PartI—Financial InformationItem1—Financial StatementsConsolidated Balance SheetsConsolidated Statements of OperationsConsolidated Statements of Stockholders’ EquityConsolidated Statements of Cash FlowsCondensed Notes to Consolidated Financial StatementsItem2—Management’s Discussion and Analysis of Financial Condition and Results ofOperationsItem3—Quantitative and Qualitative Disclosures about Market RiskItem4—Controls and ProceduresPartII—Other InformationItem1—Legal ProceedingsItem1A—Risk FactorsItem2—Unregistered Sales of Equity Securities and Use of ProceedsItem 5—Other InformationItem6—ExhibitsSignatures COMFORT SYSTEMS USA,INC. COMFORT SYSTEMS USA,INC. The accompanying notes are an integral part of these consolidated financial statements. COMFORT SYSTEMS USA,INC. COMFORT SYSTEMS USA,INC. CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS March 31, 2026 (Unaudited) 1. Business and Organization Comfort Systems USA, Inc., a Delaware corporation, provides comprehensive mechanical andelectrical contracting services, which principally includes heating, ventilation, and air conditioning(“HVAC”), plumbing, electrical, piping, and controls, as well as off-site construction, monitoring, and fireprotection. We build, install, maintain, repair, and replace mechanical, electrical, and plumbing (“MEP”) 2. Summary of Significant Accounting Policies and Estimates Basis of Presentation These interim statements should be read in conjunction with the historical Consolidated FinancialStatements and related notes of Comfort Systems included in the Annual Report on Form10-K as filed The accompanying unaudited consolidated financial statements were prepared using generallyaccepted accounting principles for interim financial information and the instructions to Form10-Q andapplicable rules of RegulationS-X of the SEC. Accordingly, these financial statements do not include allthe footnotes required by generally accepted accounting principles for complete financial statements andshould be read in conjunction with the Form10-K. We believe all adjustments necessary for a fair Use of Estimates The preparation of financial statements in conformity with generally accepted accountingprinciples requires the use of estimates and assumptions by management in determining the reportedamounts of assets and liabilities, revenue and expenses, and disclosures regarding contingent assets andliabilities. Actual results could differ from those estimates. The most significant estimates used in our Recent Accounting Pronouncements Recent Accounting Pronouncements Not Yet Adopted In November 2024, the Financial Accounting Standards Board issued Accounting StandardsUpdate (“ASU”) 2024-03, “Income Statement – Reporting Comprehensive Income – ExpenseDisaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses.” Thestandard requires entities to disclose, on an annual and interim basis, disaggregated information aboutcertain income statement expense line items in the notes to the financial statements. ASU 2024-03 iseffective for fiscal years beginning after December 15, 2026, and interim periods within fiscal years Table of Contents Revenue Recognition We recognize revenue over time for all of our services as we perform them because (i) controlcontinuously transfers to the customer as work progresses, and (ii) we have the right to bill the customer ascosts are incurred. The c