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Summary of Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 31, 2025
Accounting Policies [Abstract] |
Principles of Consolidation | Principles of Consolidation The consolidated financial statements include the accounts of Lennox International Inc. and our majority-owned subsidiaries. All intercompany transactions, profits and balances have been eliminated.
Cash and Cash Equivalents | Cash and Cash Equivalents We consider all highly liquid temporary investments with original maturity dates of three months or less to be cash equivalents. Cash and cash equivalents consisted primarily of bank deposits.
Restricted Cash | Restricted Cash Equivalents Restricted cash equivalents relate to amounts restricted for payment of certain indemnities and is recorded within long-term assets on the accompanying Consolidated Balance Sheets.
Short term Investments | Short-term Investments Short-term investments include all investments, exclusive of cash equivalents, with a stated maturity date of one year or less from the balance sheet date.
Accounts and Notes Receivable | Accounts and Notes Receivable Accounts and notes receivable are shown in the accompanying Consolidated Balance Sheets, net of allowance for doubtful accounts. The allowance for doubtful accounts is generally established during the period in which receivables are recognized and is based on the age of the receivables and management’s judgment on our ability to collect. Management considers the historical trends of write-offs and recoveries of previously written-off accounts, the financial strength of customers and projected economic and market conditions. We determine the delinquency status of receivables predominantly based on contractual terms and we write-off uncollectible receivables after management’s review of our ability to collect, as noted above. We have no significant concentrations of credit risk within our accounts and notes receivable.
Inventories | Inventories Inventory costs include material, labor, and capitalized overhead. Inventories are valued at the lower of cost or net realizable value with costs determined primarily using standard cost, which approximates costs determined on a first-in, first-out (“FIFO”) basis. See Note 9 for more information on our inventories. In the fourth quarter of 2025, we changed the method of accounting for certain of our inventories from last-in-first-out (“LIFO”) to FIFO. Refer to “Change in Accounting” below for further discussion.
Property, Plant and Equipment | Property, Plant and Equipment Property, plant and equipment is stated at cost, net of accumulated depreciation. Expenditures that increase the utility or extend the useful lives of fixed assets are capitalized while expenditures for maintenance and repairs are charged to expense as incurred. Depreciation is computed using the straight-line method over the following estimated useful lives:
Buildings and improvements: |
Buildings and improvements | 2 to 40 years
Leasehold improvements | 1 to 39 years
Machinery and equipment: |
Computer hardware | 3 to 5 years
Computer software | 3 to 10 years
Factory machinery and equipment | 1 to 15 years
Research and development equipment | 3 to 5 years
Vehicles | 3 to 10 years
We periodically review long-lived assets for impairment as events or changes in circumstances indicate that the carrying amount of such assets might not be recoverable. To assess recoverability, we compare the estimated expected future undiscounted cash flows identified with each long-lived asset or related asset group to the carrying amount of such assets. If the expected future undiscounted cash flows do not exceed the carrying value of the asset or assets being reviewed, an impairment loss is recognized based on the excess of the carrying amount of the impaired assets over their fair value. See Note 9 for additional information on our property, plant and equipment. Based on the expected fair value of the consideration to be received from the sale of our European commercial HVAC and refrigeration businesses, net of our costs to sell, we recorded an impairment on assets held for sale during the third quarter of 2023 which included a $22.6 million impairment of property, plant and equipment.
Goodwill | Goodwill and Intangible Assets Goodwill represents the excess of cost over fair value of assets from acquired businesses. Goodwill is not amortized, but is reviewed for impairment annually during the third quarter and whenever events or changes in circumstances indicate the asset may be impaired. See Note 9 for additional information on our goodwill. The provisions of the accounting standard for goodwill allow us to first assess qualitative factors to determine whether it is necessary to perform a quantitative goodwill impairment test. As part of our qualitative assessment, we monitor economic, legal, regulatory and other factors, industry trends, our market capitalization, recent and forecasted financial performance of our reporting units and the timing and nature of our restructuring activities a s a whole and for each reporting unit. If a quantitative goodwill impairment test is determined to be necessary, we estimate reporting unit fair values using a combination of the discounted cash flow approach and a market approach. The discounted cash flows used to estimate fair value are based on assumptions regarding each reporting unit’s estimated projected future cash flows and the estimated weighted-average cost of capital that a market participant would use in evaluating the reporting unit in a purchase transaction. The estimated weighted-average cost of capital is based on the risk-free interest rate and other factors such as equity risk premiums and the ratio of total debt to equity capital. In performing these impairment tests, we take steps to ensure that appropriate and reasonable cash flow projections and assumptions are used. We reconcile our estimated enterprise value to our market capitalization and determine the reasonableness of the cost of capital used by comparing to market data. We also perform sensitivity analyses on the key assumptions used, such as the weighted-average cost of capital and terminal growth rates. The market approach is based on objective evidence of market values. In the third quarter of 2023, we recorded a $2.3 million impairment of goodwill related to our agreement to sell our European commercial HVAC and refrigeration businesses which was included in our impairment on assets held for sale. Intangible assets such as customer relationships, non-compete agreements and trade names with finite lives are amortized based on the pattern in which the economic benefits of the intangible assets are utilized. If a pattern of economic benefit cannot be reliably determined or if straight-line amortization approximates the pattern of economic benefit, then straight-line amortization may be used. The range of useful lives approximates the following (in years):
Customer relationships | 2 to 20 years
Non-compete agreements | Contracted term
Trade names | 2 to 20 years
We assess the recoverability of the carrying amount of our intangible assets with finite lives whenever events or changes in circumstances indicate that the carrying value of the asset group may not be recoverable. Recoverability is measured by a comparison of the carrying amount of an asset group to the future undiscounted cash flows expected to be generated by the asset group. If the undiscounted cash flows are less than the carrying amount of the asset group, an impairment loss is recognized for the amount by which the carrying value of the asset group exceeds the fair value of the asset group.
Product Warranties | Product Warranties For some of our heating, ventilation and air conditioning (“HVAC”) products, we provide warranty terms ranging from 1 to 20 years to customers for certain components such as compressors or heat exchangers. For select products, we used to provide limited lifetime warranties. A liability for estimated warranty expense is recorded in cost of goods sold on the date that revenue is recognized. Our estimates of future warranty costs are determined by product category. The number of units we expect to repair or replace is determined by applying an estimated failure rate, which is generally based on historical experience, to the number of units that were sold and are still under warranty. In most cases, the estimated units to be repaired under warranty are multiplied by the estimated cost of replacement parts to determine the estimated future warranty cost. We do not discount product warranty liabilities as the amounts are not fixed and the timing of future cash payments is neither fixed nor reliably determinable. We also provide for specifically-identified warranty obligations. Estimated future warranty costs are subject to adjustment depending on changes in actual failure rate and cost experience. Subsequent costs incurred for warranty claims serve to reduce the accrued product warranty liability. See Note 5 for more information on our estimated future warranty costs.
Pensions and Post-retirement Benefits | Pensions and Post-retirement Benefits We provide pension and post-retirement medical benefits to eligible domestic and foreign employees and we recognize pension and post-retirement benefit costs over the estimated service life or average life expectancy of those employees. We also recognize the funded status of our benefit plans, as measured at year-end by the difference between plan assets at fair value and the benefit obligation, in the Consolidated Balance Sheets. Changes in the funded status are recognized in the year in which the changes occur through Accumulated other comprehensive loss (“AOCL”). Actuarial gains or losses are amortized into net period benefit cost over the estimated service life of covered employees or average life expectancy of participants depending on the plan. The benefit plan assets and liabilities reflect assumptions about the long-range performance of our benefit plans. Should actual results differ from management’s estimates, revisions to the benefit plan assets and liabilities would be required. See Note 10 for information regarding those estimates and additional disclosures on pension and post-retirement medical benefits.
Self Insurance | Self-Insurance Self-insurance expense and liabilities are actuarially determined based primarily on our historical claims information, industry factors, and trends. The self-insurance liabilities as of December 31, 2025 represent our best estimate of the future payments to be made on reported and unreported losses for 2025 and prior years. The amounts and timing of payments for claims reserved may vary depending on various factors, including the development and ultimate settlement of reported and unreported claims. To the extent actuarial assumptions change and claims experience rates differ from historical rates, our liabilities may change. See Note 5 for additional information on our self-insured risks and liabilities.
Derivatives | Derivatives We use futures contracts, forward contracts and fixed forward contracts to mitigate our exposure to volatility in metal commodity prices and foreign exchange rates. We hedge only exposures in the ordinary course of business and do not hold or trade derivatives for profit. All derivatives are recognized in the Consolidated Balance Sheets at fair value and the classification of each derivative instrument is based upon whether the maturity of the instrument is less than or greater than 12 months. See Note 9 for more information on our derivatives.
Leases | Leases We lease certain real and personal property under non-cancelable leases including real estate, IT equipment, fleet vehicles and manufacturing and distribution equipment. At inception of the lease, we determine a lease exists if the contract conveys the right to control an identified asset for a period of time in exchange for consideration. Control is considered to exist when the lessee has the right to obtain substantially all the economic benefits from the use of an identified asset as well as the right to direct the use of the asset. If a contract is considered to be a lease, we recognize a lease liability based on the present value of the future minimum lease payments and a right-of-use asset. For contracts that are 12 months or less, we do not recognize a right-of-use asset or liability. We do not separate non-lease components from the lease components to which they relate and account for the combined lease and non-lease components as a single lease component. Leases We lease certain real and personal property under non-cancelable leases. Approximately 81% of our right-of-use assets and lease liabilities relate to our leases of real estate with the remaining amounts relating to our leases of IT equipment, fleet vehicles and manufacturing and distribution equipment.
Income Taxes | Income Taxes We recognize deferred tax assets and liabilities for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carry forwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. Unrecognized tax benefits are accounted for as required by the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) Topic 740. See Note 12 for more information related to income taxes.
Revenue Recognition | Revenue Recognition Our revenue recognition practices for the sale of goods depend upon the shipping terms for each transaction. Shipping terms are primarily FOB Shipping Point and, therefore, revenue is recognized for these transactions when products are shipped to customers and title and control passes. Certain customers in our smaller operations, primarily outside of North America, have shipping terms where control does not transfer until the product is delivered to the customer. For these transactions, revenue is recognized on the date that the product is received and accepted by such customers. We experience returns for miscellaneous reasons and record a reserve for these returns at the time we recognize revenue based on historical experience. Our historical rates of return are insignificant as a percentage of sales. We also recognize revenue net of sales taxes. We have elected to recognize the revenue and cost for freight and shipping when control over the sale of goods passes to our customers. See Note 8 for more information on our revenue recognition practices.
Cost of Goods Sold | Cost of Goods Sold The principal elements of cost of goods sold are components, raw materials, factory overhead, labor, estimated costs of warranty expense, and freight and distribution costs.
Selling, General and Administrative Expenses | Selling, General and Administrative Expenses SG&A expenses include payroll and benefit costs, advertising, commissions, research and development, information technology costs, and other SG&A related costs such as insurance, travel, non-production depreciation, and rent.
Stock-Based Compensation | Stock-Based Compensation We recognize compensation expense for stock-based arrangements over the required employee service periods. We measure stock-based compensation costs based on the estimated grant-date fair value of the stock-based awards that are expected to ultimately vest and we adjust expected vesting rates to actual rates as additional information becomes known. For stock-based arrangements with performance conditions, we periodically adjust performance achievement rates based on our best estimates of those rates at the end of the performance period. See Note 15 for more information.
Translation of Foreign Currencies | Translation of Foreign Currencies All assets and liabilities of foreign subsidiaries and joint ventures are translated into U.S. dollars using rates of exchange in effect at the balance sheet date. Revenue and expenses are translated at weighted average exchange rates during the year. Unrealized translation gains and losses are included in AOCL in the accompanying Consolidated Balance Sheets. Transaction gains and losses are included in Losses and other expenses, net in the accompanying Consolidated Statements of Operations.
Use of Estimates | Use of Estimates The preparation of financial statements requires us to make estimates and assumptions about future events. These estimates and the underlying assumptions affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities, and reported amounts of revenue and expenses. Such estimates include the valuation of accounts receivable, inventories, goodwill, intangible assets and other long-lived assets, contingencies, product warranties, and assumptions used in the calculation of income taxes, pension and post-retirement medical benefits, and stock-based compensation among others. These estimates and assumptions are based on our best estimates and judgment. We evaluate these estimates and assumptions on an ongoing basis using historical experience and other factors, including the current economic environment. We believe these estimates and assumptions to be reasonable under the circumstances and will adjust such estimates and assumptions when facts and circumstances dictate. Volatile equity, foreign currency and commodity markets and uncertain future economic conditions combine to increase the uncertainty inherent in such estimates and assumptions. Future events and their effects cannot be determined with precision and actual results could differ significantly from these estimates. Changes in these estimates resulting from continuing changes in the economic environment will be reflected in the financial statements in future periods.
Changes in Accounting Standards Effective for Future Reporting Periods and Recently Adopted Accounting Pronouncements | Changes in Accounting Standards Effective for Future Reporting Periods In November 2024, the FASB issued ASU No. 2024-03, Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-40), which will require public entities to disclose additional information about specific expense categories in the notes to the financial statements at interim and annual reporting periods. ASU 2024-03 is effective for fiscal years beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. We are currently evaluating the impact of this standard on our financial statements. Recently Adopted Accounting Pronouncements In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which updates income tax disclosure requirements, primarily through enhanced disclosures regarding income rate reconciliation and income taxes paid. This is effective for fiscal years beginning after December 15, 2024. ASU 2023-09 requires that, on an annual basis, entities disclose specific categories in the rate reconciliation and additional information for reconciling items that meet a certain quantitative threshold. The amendment also requires enhanced disclosures around taxes paid and income tax expense by federal, state and foreign jurisdictions. We adopted the standard on a prospective basis in the current period. See Note 12 for more information.

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- Definition Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-1 + Details
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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-1 + Details
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