| ☒ | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | ||||
| ☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | ||||
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||
| Common stock, $0.01 par value per share | LII | New York Stock Exchange | ||||||
| Large Accelerated Filer | ☒ | Accelerated Filer | ☐ | |||||||||||
| Non-Accelerated Filer | ☐ | Smaller Reporting Company | ☐ | |||||||||||
| Emerging growth company | ☐ | |||||||||||||
| Page | ||||||||
| Part I | ||||||||
Item 1. Financial Statements | ||||||||
Consolidated Balance Sheets - June 30, 2026 (Unaudited) and December 31, 2025 | ||||||||
Consolidated Statements of Operations (Unaudited) - Three and Six Months Ended June 30, 2026 and 2025 | ||||||||
Consolidated Statements of Comprehensive Income (Unaudited) - Three and Six Months Ended June 30, 2026 and 2025 | 3 | |||||||
Consolidated Statements of Stockholders' Equity (Unaudited) - Three and Six Months Ended June 30, 2026 and 2025 | ||||||||
Consolidated Statements of Cash Flows (Unaudited) - Six Months Ended June 30, 2026 and 2025 | ||||||||
| Part II | ||||||||
| (Amounts in millions, except shares and par values) | As of June 30, 2026 | As of December 31, 2025 | |||||||||
| (Unaudited) | |||||||||||
| ASSETS | |||||||||||
| Current Assets: | |||||||||||
| Cash and cash equivalents | $ | 51.5 | $ | 34.2 | |||||||
| Short-term investments | 0.6 | 0.5 | |||||||||
Accounts and notes receivable, net of allowances of $7.9 and $8.5 in 2026 and 2025, respectively | 918.1 | 578.8 | |||||||||
| Inventories, net | 1,152.4 | 1,152.6 | |||||||||
| Other current assets | 135.2 | 137.7 | |||||||||
| Total current assets | 2,257.8 | 1,903.8 | |||||||||
| Restricted cash equivalents | 18.8 | 18.5 | |||||||||
Property, plant and equipment, net of accumulated depreciation of $1,088.0 and $1,043.9 in 2026 and 2025, respectively | 934.2 | 887.2 | |||||||||
| Right-of-use assets from operating leases | 412.7 | 356.3 | |||||||||
| Goodwill | 503.7 | 497.2 | |||||||||
Intangible assets, net of accumulated amortization of $46.7 and $38.3 in 2026 and 2025, respectively | 265.8 | 273.0 | |||||||||
| Deferred income taxes | 12.4 | 12.9 | |||||||||
| Other assets, net | 139.6 | 132.9 | |||||||||
| Total assets | $ | 4,545.0 | $ | 4,081.8 | |||||||
| LIABILITIES AND STOCKHOLDERS’ EQUITY | |||||||||||
| Current Liabilities: | |||||||||||
| Accounts payable | $ | 523.5 | $ | 438.0 | |||||||
| Accrued expenses | 373.4 | 374.2 | |||||||||
| Income taxes payable | 22.6 | 46.4 | |||||||||
| Commercial paper | 412.0 | 226.0 | |||||||||
| Current maturities of long-term debt | 20.1 | 18.3 | |||||||||
| Current operating lease liabilities | 87.2 | 88.9 | |||||||||
| Total current liabilities | 1,438.8 | 1,191.8 | |||||||||
| Long-term debt | 1,149.2 | 1,144.1 | |||||||||
| Long-term operating lease liabilities | 356.2 | 293.4 | |||||||||
| Pensions | 20.1 | 18.7 | |||||||||
| Other liabilities | 283.5 | 270.7 | |||||||||
| Total liabilities | 3,247.8 | 2,918.7 | |||||||||
| Commitments and contingencies | |||||||||||
| Stockholders' equity: | |||||||||||
Preferred stock, $0.01 par value, 25,000,000 shares authorized, no shares issued or outstanding | — | — | |||||||||
Common stock, $0.01 par value, 200,000,000 shares authorized, 87,170,197 shares issued | 0.9 | 0.9 | |||||||||
| Additional paid-in capital | 1,255.3 | 1,243.0 | |||||||||
| Retained earnings | 5,185.1 | 4,891.1 | |||||||||
| Accumulated other comprehensive loss | (58.6) | (48.5) | |||||||||
Treasury stock, at cost, 52,611,203 shares and 52,374,147 shares for 2026 and 2025, respectively | (5,085.5) | (4,923.4) | |||||||||
| Total stockholders' equity | 1,297.2 | 1,163.1 | |||||||||
| Total liabilities and stockholders' equity | $ | 4,545.0 | $ | 4,081.8 | |||||||
| (Amounts in millions, except per share data) | For the Three Months Ended June 30, | For the Six Months Ended June 30, | |||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
| Net sales | $ | 1,545.3 | $ | 1,500.9 | $ | 2,680.4 | $ | 2,573.5 | |||||||||||||||
| Cost of goods sold | 1,005.8 | 983.4 | 1,789.6 | 1,715.1 | |||||||||||||||||||
| Gross profit | 539.5 | 517.5 | 890.8 | 858.4 | |||||||||||||||||||
| Operating Expenses: | |||||||||||||||||||||||
| Selling, general and administrative expenses | 183.1 | 173.3 | 368.3 | 344.6 | |||||||||||||||||||
| Losses (gains) and other expenses, net | 2.4 | (2.7) | 4.6 | 0.1 | |||||||||||||||||||
| Income from equity method investments | (1.0) | (2.1) | (0.6) | (3.3) | |||||||||||||||||||
| Operating income | 355.0 | 349.0 | 518.5 | 517.0 | |||||||||||||||||||
| Pension settlements | 0.1 | 0.1 | 0.6 | 0.2 | |||||||||||||||||||
| Interest expense, net | 14.7 | 8.3 | 29.9 | 14.5 | |||||||||||||||||||
| Other expense, net | 0.6 | 0.6 | 1.5 | 1.5 | |||||||||||||||||||
| Net income before income taxes | 339.6 | 340.0 | 486.5 | 500.8 | |||||||||||||||||||
| Provision for income taxes | 70.6 | 66.1 | 100.3 | 97.3 | |||||||||||||||||||
| Net income | $ | 269.0 | $ | 273.9 | $ | 386.2 | $ | 403.5 | |||||||||||||||
Earnings per share – Basic(1): | $ | 7.75 | $ | 7.75 | $ | 11.11 | $ | 11.39 | |||||||||||||||
Earnings per share – Diluted(1): | $ | 7.72 | $ | 7.71 | $ | 11.06 | $ | 11.34 | |||||||||||||||
| Weighted Average Number of Shares Outstanding - Basic | 34.7 | 35.3 | 34.8 | 35.4 | |||||||||||||||||||
| Weighted Average Number of Shares Outstanding - Diluted | 34.8 | 35.5 | 34.9 | 35.6 | |||||||||||||||||||
| (Amounts in millions) | For the Three Months Ended June 30, | For the Six Months Ended June 30, | |||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
| Net income | $ | 269.0 | $ | 273.9 | $ | 386.2 | $ | 403.5 | |||||||||||||||
| Other comprehensive income (loss): | |||||||||||||||||||||||
| Foreign currency translation adjustments | (1.8) | 15.9 | (2.5) | 20.1 | |||||||||||||||||||
| Net change in pension and post-retirement liabilities | (0.6) | (0.5) | (1.6) | (0.7) | |||||||||||||||||||
| Reclassification of pension and post-retirement benefit losses into earnings | 0.5 | 0.4 | 1.0 | 0.8 | |||||||||||||||||||
| Pension settlements | 0.1 | 0.1 | 0.6 | 0.2 | |||||||||||||||||||
| Net change in fair value of cash flow hedges | 1.8 | 6.1 | 14.6 | 16.8 | |||||||||||||||||||
| Reclassification of cash flow hedge gains into earnings | (13.2) | (3.4) | (24.0) | (6.0) | |||||||||||||||||||
| Other comprehensive (loss) income before taxes | (13.2) | 18.6 | (11.9) | 31.2 | |||||||||||||||||||
| Tax benefit | 1.0 | 0.6 | 1.8 | 1.1 | |||||||||||||||||||
| Other comprehensive (loss) income, net of tax | (12.2) | 19.2 | (10.1) | 32.3 | |||||||||||||||||||
| Comprehensive income | $ | 256.8 | $ | 293.1 | $ | 376.1 | $ | 435.8 | |||||||||||||||
| Common Stock Issued | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock at Cost | Total Stockholders' Equity | |||||||||||||||||||||||||||||||||||||||
(For the three months ended June 30, 2026) | Shares | Amount | ||||||||||||||||||||||||||||||||||||||||||
| Balance as of March 31, 2026 | $ | 0.9 | $ | 1,249.7 | $ | 4,963.0 | $ | (48.0) | 52.4 | $ | (4,951.7) | $ | 1,213.9 | |||||||||||||||||||||||||||||||
| Net income | — | — | 269.0 | — | — | — | 269.0 | |||||||||||||||||||||||||||||||||||||
Dividends, $1.36 per share | — | — | (46.9) | — | — | — | (46.9) | |||||||||||||||||||||||||||||||||||||
| Foreign currency translation adjustments | — | — | — | (1.8) | — | — | (1.8) | |||||||||||||||||||||||||||||||||||||
| Stock-based compensation expense | — | 5.4 | — | — | — | — | 5.4 | |||||||||||||||||||||||||||||||||||||
| Purchase of common stock under Employee Stock Purchase Program | — | 0.4 | — | — | — | — | 0.4 | |||||||||||||||||||||||||||||||||||||
| Change in cash flow hedges | — | — | — | (8.8) | — | — | (8.8) | |||||||||||||||||||||||||||||||||||||
| Treasury shares reissued for common stock | — | (0.2) | — | — | — | 0.2 | — | |||||||||||||||||||||||||||||||||||||
| Treasury stock purchases | — | — | — | — | 0.2 | (134.0) | (134.0) | |||||||||||||||||||||||||||||||||||||
| Balance as of June 30, 2026 | $ | 0.9 | $ | 1,255.3 | $ | 5,185.1 | $ | (58.6) | 52.6 | $ | (5,085.5) | $ | 1,297.2 | |||||||||||||||||||||||||||||||
| Common Stock Issued | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock at Cost | Total Stockholders' Equity | |||||||||||||||||||||||||||||||||||||||
(For the three months ended June 30, 2025) | Shares | Amount | ||||||||||||||||||||||||||||||||||||||||||
| Balance as of March 31, 2025 | $ | 0.9 | $ | 1,219.0 | $ | 4,351.5 | $ | (80.6) | 51.7 | $ | (4,517.1) | $ | 973.7 | |||||||||||||||||||||||||||||||
| Net income | — | — | 273.9 | — | — | — | 273.9 | |||||||||||||||||||||||||||||||||||||
Dividends, $1.30 per share | — | — | (45.8) | — | — | — | (45.8) | |||||||||||||||||||||||||||||||||||||
| Foreign currency translation adjustments | — | — | — | 15.9 | — | — | 15.9 | |||||||||||||||||||||||||||||||||||||
| Pension and post-retirement liability changes | — | — | — | (0.2) | — | — | (0.2) | |||||||||||||||||||||||||||||||||||||
| Stock-based compensation expense | — | 8.2 | — | — | — | — | 8.2 | |||||||||||||||||||||||||||||||||||||
| Change in cash flow hedges | — | — | — | 3.5 | — | — | 3.5 | |||||||||||||||||||||||||||||||||||||
| Treasury shares reissued for common stock | — | 1.1 | — | — | — | 0.4 | 1.5 | |||||||||||||||||||||||||||||||||||||
| Treasury stock purchases | — | — | — | — | 0.3 | (212.7) | (212.7) | |||||||||||||||||||||||||||||||||||||
| Balance as of June 30, 2025 | $ | 0.9 | $ | 1,228.3 | $ | 4,579.6 | $ | (61.4) | 52.0 | $ | (4,729.4) | $ | 1,018.0 | |||||||||||||||||||||||||||||||
| Common Stock Issued | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock at Cost | Total Stockholders' Equity | |||||||||||||||||||||||||||||||||||||||
(For the six months ended June 30, 2026) | Shares | Amount | ||||||||||||||||||||||||||||||||||||||||||
| Balance as of December 31, 2025 | $ | 0.9 | $ | 1,243.0 | $ | 4,891.1 | $ | (48.5) | 52.4 | $ | (4,923.4) | $ | 1,163.1 | |||||||||||||||||||||||||||||||
| Net income | — | — | 386.2 | — | — | — | 386.2 | |||||||||||||||||||||||||||||||||||||
Dividends, $2.66 per share | — | — | (92.2) | — | — | — | (92.2) | |||||||||||||||||||||||||||||||||||||
| Foreign currency translation adjustments | — | — | — | (2.5) | — | — | (2.5) | |||||||||||||||||||||||||||||||||||||
| Stock-based compensation expense | — | 11.2 | — | — | — | — | 11.2 | |||||||||||||||||||||||||||||||||||||
| Purchase of common stock under Employee Stock Purchase Program | — | 0.9 | — | — | — | — | 0.9 | |||||||||||||||||||||||||||||||||||||
| Change in cash flow hedges | — | — | — | (7.6) | — | — | (7.6) | |||||||||||||||||||||||||||||||||||||
| Treasury shares reissued for common stock | — | 0.2 | — | — | (0.1) | 2.4 | 2.6 | |||||||||||||||||||||||||||||||||||||
| Treasury stock purchases | — | — | — | — | 0.3 | (164.5) | (164.5) | |||||||||||||||||||||||||||||||||||||
| Balance as of June 30, 2026 | $ | 0.9 | $ | 1,255.3 | $ | 5,185.1 | $ | (58.6) | 52.6 | $ | (5,085.5) | $ | 1,297.2 | |||||||||||||||||||||||||||||||
| Common Stock Issued | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock at Cost | Total Stockholders' Equity | |||||||||||||||||||||||||||||||||||||||
(For the six months ended June 30, 2025) | Shares | Amount | ||||||||||||||||||||||||||||||||||||||||||
| Balance as of December 31, 2024 | $ | 0.9 | $ | 1,213.3 | $ | 4,262.7 | $ | (93.7) | 51.6 | $ | (4,421.1) | $ | 962.1 | |||||||||||||||||||||||||||||||
| Net income | — | — | 403.5 | — | — | — | 403.5 | |||||||||||||||||||||||||||||||||||||
Dividends, $2.45 per share | — | — | (86.6) | — | — | — | (86.6) | |||||||||||||||||||||||||||||||||||||
| Foreign currency translation adjustments | — | — | — | 20.1 | — | — | 20.1 | |||||||||||||||||||||||||||||||||||||
| Stock-based compensation expense | — | 14.5 | — | — | — | — | 14.5 | |||||||||||||||||||||||||||||||||||||
| Change in cash flow hedges | — | — | — | 12.2 | — | — | 12.2 | |||||||||||||||||||||||||||||||||||||
| Treasury shares reissued for common stock | — | 0.5 | — | — | (0.1) | 2.1 | 2.6 | |||||||||||||||||||||||||||||||||||||
| Treasury stock purchases | — | — | — | — | 0.5 | (310.4) | (310.4) | |||||||||||||||||||||||||||||||||||||
| Balance as of June 30, 2025 | $ | 0.9 | $ | 1,228.3 | $ | 4,579.6 | $ | (61.4) | 52.0 | $ | (4,729.4) | $ | 1,018.0 | |||||||||||||||||||||||||||||||
| (Amounts in millions) | For the Six Months Ended June 30, | ||||||||||
| 2026 | 2025 | ||||||||||
| Cash flows from operating activities: | |||||||||||
| Net income | $ | 386.2 | $ | 403.5 | |||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||
| Income from equity method investments | (0.6) | (3.3) | |||||||||
| Provision for credit losses | 2.5 | 0.8 | |||||||||
| Unrealized losses (gains), net on derivative contracts | 3.7 | (0.3) | |||||||||
| Stock-based compensation expense | 12.1 | 14.5 | |||||||||
| Depreciation and amortization | 61.8 | 52.4 | |||||||||
| Deferred income taxes | 7.3 | (8.8) | |||||||||
| Pension expense | 2.0 | 2.1 | |||||||||
| Pension contributions | (0.5) | (0.6) | |||||||||
| Changes in assets and liabilities, net of effects of acquisitions and divestitures: | |||||||||||
| Accounts and notes receivable | (345.2) | (205.9) | |||||||||
| Inventories | (7.0) | (300.7) | |||||||||
| Other current assets | (7.8) | 4.4 | |||||||||
| Accounts payable | 93.5 | 88.2 | |||||||||
| Accrued expenses | (5.0) | (52.7) | |||||||||
| Income taxes payable and receivable, net | (20.4) | 55.2 | |||||||||
| Leases, net | 4.8 | 4.4 | |||||||||
| Other, net | 0.7 | (2.2) | |||||||||
| Net cash provided by operating activities | 188.1 | 51.0 | |||||||||
| Cash flows from investing activities: | |||||||||||
| Proceeds from the disposal of property, plant and equipment | 1.4 | 0.9 | |||||||||
| Purchases of property, plant and equipment | (91.2) | (54.0) | |||||||||
| Acquisitions, net of cash | (0.2) | — | |||||||||
| (Purchases of) proceeds from investments and other | (0.1) | 1.5 | |||||||||
| Net cash used in investing activities | (90.1) | (51.6) | |||||||||
| Cash flows from financing activities: | |||||||||||
| Commercial paper borrowings | 910.0 | 141.1 | |||||||||
| Commercial paper payments | (724.0) | (112.1) | |||||||||
| Payments on debt arrangements | (11.5) | (9.2) | |||||||||
| Payments of deferred financing costs | — | (1.7) | |||||||||
| Proceeds from employee stock purchases | 2.6 | 2.6 | |||||||||
| Repurchases of common stock | (151.3) | (294.8) | |||||||||
| Repurchases of common stock to satisfy employee withholding tax obligations | (11.4) | (12.4) | |||||||||
| Cash dividends paid | (90.5) | (81.7) | |||||||||
| Net cash used in financing activities | (76.1) | (368.2) | |||||||||
| Increase (decrease) in cash, cash equivalents and restricted cash | 21.9 | (368.8) | |||||||||
| Effect of exchange rates on cash, cash equivalents and restricted cash equivalents | (4.3) | 2.9 | |||||||||
| Cash, cash equivalents and restricted cash, beginning of period | 52.7 | 415.1 | |||||||||
| Cash, cash equivalents and restricted cash, end of period | $ | 70.3 | $ | 49.2 | |||||||
| Supplemental disclosures of cash flow information: | |||||||||||
| Interest paid | $ | 32.0 | $ | 19.6 | |||||||
| Income taxes paid (net of refunds) | $ | 113.5 | $ | 44.0 | |||||||
| Segment | Product or Services | Markets Served | Geographic Areas | |||||||||||||||||
| Home Comfort Solutions | Furnaces, air conditioners, heat pumps, packaged heating and cooling systems, indoor air quality equipment, comfort control products, replacement parts and supplies, water heaters | Residential Replacement; Residential Parts and Supplies; Residential New Construction | United States Canada | |||||||||||||||||
| Building Climate Solutions | Unitary heating and air conditioning equipment, applied systems, controls, installation and service of commercial heating and cooling equipment, variable refrigerant flow commercial products, curb, curb adapters, drop box diffusers, HVAC recycling and salvage service, condensing units, unit coolers, fluid coolers, air cooled condensers, air handlers, process chillers, controls, compressorized racks, replacement parts and supplies | Light Commercial; Commercial Parts and Supplies; Food Preservation; Non-Food Industry; Cold Storage and Light Industrial | United States Canada | |||||||||||||||||
| Home Comfort Solutions | Building Climate Solutions | Total | |||||||||||||||
| Three months ended June 30, 2026 | |||||||||||||||||
Net sales(1) | $ | 935.6 | $ | 609.7 | $ | 1,545.3 | |||||||||||
| Cost of goods sold | 626.0 | 378.7 | 1,004.7 | ||||||||||||||
Selling, general and administrative | 88.0 | 75.5 | 163.5 | ||||||||||||||
Other (income) expense(2) | (0.2) | 0.2 | — | ||||||||||||||
Segment profit(3) | $ | 221.8 | $ | 155.3 | $ | 377.1 | |||||||||||
| Three months ended June 30, 2025 | |||||||||||||||||
Net sales(1) | $ | 1,009.3 | $ | 491.6 | $ | 1,500.9 | |||||||||||
| Cost of goods sold | 671.5 | 310.8 | 982.3 | ||||||||||||||
Selling, general and administrative | 91.4 | 61.1 | 152.5 | ||||||||||||||
Other income(2) | (5.6) | (0.9) | (6.5) | ||||||||||||||
Segment profit(3) | $ | 252.0 | $ | 120.6 | $ | 372.6 | |||||||||||
| Home Comfort Solutions | Building Climate Solutions | Total | |||||||||||||||
| Six months ended June 30, 2026 | |||||||||||||||||
Net sales(1) | $ | 1,585.6 | $ | 1,094.8 | $ | 2,680.4 | |||||||||||
| Cost of goods sold | 1,093.8 | 694.9 | 1,788.7 | ||||||||||||||
Selling, general and administrative | 185.2 | 149.5 | 334.7 | ||||||||||||||
Other income(2) | (1.7) | (0.5) | (2.2) | ||||||||||||||
Segment profit(3) | $ | 308.3 | $ | 250.9 | $ | 559.2 | |||||||||||
| Six months ended June 30, 2025 | |||||||||||||||||
Net sales(1) | $ | 1,730.7 | $ | 842.8 | $ | 2,573.5 | |||||||||||
| Cost of goods sold | 1,171.6 | 542.6 | 1,714.2 | ||||||||||||||
Selling, general and administrative | 189.8 | 121.5 | 311.3 | ||||||||||||||
Other income(2) | (6.6) | (0.7) | (7.3) | ||||||||||||||
Segment profit(3) | $ | 375.9 | $ | 179.4 | $ | 555.3 | |||||||||||
| For the Three Months Ended June 30, | For the Six Months Ended June 30, | ||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
Total segment profit(1) | $ | 377.1 | $ | 372.6 | $ | 559.2 | $ | 555.3 | |||||||||||||||
| Reconciliation to Operating income: | |||||||||||||||||||||||
Restructuring charges | — | — | — | — | |||||||||||||||||||
| Gain on sale from previous dispositions | — | — | — | — | |||||||||||||||||||
Corporate and other expenses(2) | (22.1) | (23.6) | (40.7) | (38.3) | |||||||||||||||||||
| Operating income | 355.0 | 349.0 | 518.5 | 517.0 | |||||||||||||||||||
| Reconciliation to net income before income taxes: | |||||||||||||||||||||||
| Pension settlements | 0.1 | 0.1 | 0.6 | 0.2 | |||||||||||||||||||
| Interest expense, net | 14.7 | 8.3 | 29.9 | 14.5 | |||||||||||||||||||
| Other expense, net | 0.6 | 0.6 | 1.5 | 1.5 | |||||||||||||||||||
| Net income before income taxes | $ | 339.6 | $ | 340.0 | $ | 486.5 | $ | 500.8 | |||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
Total Assets: | |||||||||||
| Home Comfort Solutions | $ | 2,230.0 | $ | 1,971.0 | |||||||
| Building Climate Solutions | 1,902.8 | 1,746.4 | |||||||||
| Total assets from reportable segments | $ | 4,132.8 | $ | 3,717.4 | |||||||
| Corporate and Other | 412.2 | 364.4 | |||||||||
| Total assets | $ | 4,545.0 | $ | 4,081.8 | |||||||
| For the Three Months Ended June 30, | For the Six Months Ended June 30, | ||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
Capital Expenditures: | |||||||||||||||||||||||
| Home Comfort Solutions | $ | 10.1 | $ | 11.8 | $ | 25.2 | $ | 23.2 | |||||||||||||||
| Building Climate Solutions | 16.4 | 6.2 | 23.9 | 12.5 | |||||||||||||||||||
| Total capital expenditures from reportable segments | $ | 26.5 | $ | 18.0 | $ | 49.1 | $ | 35.7 | |||||||||||||||
| Corporate and Other | 9.2 | 10.5 | 42.1 | 18.3 | |||||||||||||||||||
| Total capital expenditures | $ | 35.7 | $ | 28.5 | $ | 91.2 | $ | 54.0 | |||||||||||||||
| For the Three Months Ended June 30, | For the Six Months Ended June 30, | ||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
Depreciation and Amortization: | |||||||||||||||||||||||
| Home Comfort Solutions | $ | 13.0 | $ | 11.5 | $ | 23.7 | $ | 21.9 | |||||||||||||||
| Building Climate Solutions | 12.3 | 8.0 | 24.0 | 15.9 | |||||||||||||||||||
| Total depreciation and amortization from reportable segments | $ | 25.3 | $ | 19.5 | $ | 47.7 | $ | 37.8 | |||||||||||||||
| Corporate and Other | 7.3 | 7.3 | 14.1 | 14.6 | |||||||||||||||||||
| Total depreciation and amortization | $ | 32.6 | $ | 26.8 | $ | 61.8 | $ | 52.4 | |||||||||||||||
| For the Three Months Ended June 30, | For the Six Months Ended June 30, | ||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
| (Loss) Income from Equity Method Investments: | |||||||||||||||||||||||
| Home Comfort Solutions | $ | (0.4) | $ | 1.7 | $ | 0.8 | $ | 2.4 | |||||||||||||||
| Building Climate Solutions | (0.2) | 0.4 | (0.2) | 0.8 | |||||||||||||||||||
| Total (loss) income from equity method investments from reportable segments | $ | (0.6) | $ | 2.1 | $ | 0.6 | $ | 3.2 | |||||||||||||||
| Corporate and Other | 1.6 | — | — | 0.1 | |||||||||||||||||||
| Total income from equity method investments | $ | 1.0 | $ | 2.1 | $ | 0.6 | $ | 3.3 | |||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
Property, Plant and Equipment, net: | |||||||||||
| United States | $ | 655.7 | $ | 607.4 | |||||||
| Mexico | 269.1 | 269.2 | |||||||||
| Canada | 3.9 | 4.2 | |||||||||
| Other international | 5.5 | 6.4 | |||||||||
| Total Property, plant and equipment, net | $ | 934.2 | $ | 887.2 | |||||||
| For the Three Months Ended June 30, | For the Six Months Ended June 30, | ||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
| Net income | $ | 269.0 | $ | 273.9 | $ | 386.2 | $ | 403.5 | |||||||||||||||
| Weighted-average shares outstanding – basic | 34.7 | 35.3 | 34.8 | 35.4 | |||||||||||||||||||
| Add: Potential effect of dilutive securities attributable to stock-based payments | 0.1 | 0.2 | 0.1 | 0.2 | |||||||||||||||||||
| Weighted-average shares outstanding – diluted | 34.8 | 35.5 | 34.9 | 35.6 | |||||||||||||||||||
Earnings per share – Basic(1): | $ | 7.75 | $ | 7.75 | $ | 11.11 | $ | 11.39 | |||||||||||||||
Earnings per share – Diluted(1): | $ | 7.72 | $ | 7.71 | $ | 11.06 | $ | 11.34 | |||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Accrued expenses | $ | 54.7 | $ | 53.1 | |||||||
| Other liabilities | 119.9 | 114.1 | |||||||||
| Total warranty liability | $ | 174.6 | $ | 167.2 | |||||||
| Total warranty liability as of December 31, 2025 | $ | 167.2 | |||
| Warranty claims paid | (24.7) | ||||
| Changes resulting from issuance of new warranties | 29.0 | ||||
| Changes in estimates associated with pre-existing liabilities | 3.5 | ||||
| Changes in foreign currency translation rates and other | (0.4) | ||||
Total warranty liability as of June 30, 2026 | $ | 174.6 | |||
| (Amounts in millions) | For the Three Months Ended June 30, 2026 | ||||||||||||||||
| Primary Geographic Markets | Home Comfort Solutions | Building Climate Solutions | Consolidated | ||||||||||||||
| United States | $ | 875.4 | $ | 565.5 | $ | 1,440.9 | |||||||||||
| Canada | 60.2 | 44.2 | 104.4 | ||||||||||||||
| Total | $ | 935.6 | $ | 609.7 | $ | 1,545.3 | |||||||||||
| For the Three Months Ended June 30, 2025 | |||||||||||||||||
| Primary Geographic Markets | Home Comfort Solutions | Building Climate Solutions | Consolidated | ||||||||||||||
| United States | $ | 941.0 | $ | 455.6 | $ | 1,396.6 | |||||||||||
| Canada | 68.3 | 36.0 | 104.3 | ||||||||||||||
| Total | $ | 1,009.3 | $ | 491.6 | $ | 1,500.9 | |||||||||||
| (Amounts in millions) | For the Six Months Ended June 30, 2026 | ||||||||||||||||
| Primary Geographic Markets | Home Comfort Solutions | Building Climate Solutions | Consolidated | ||||||||||||||
| United States | $ | 1,479.4 | $ | 1,011.9 | $ | 2,491.3 | |||||||||||
| Canada | 106.2 | 82.9 | 189.1 | ||||||||||||||
| Total | $ | 1,585.6 | $ | 1,094.8 | $ | 2,680.4 | |||||||||||
| (Amounts in millions) | For the Six Months Ended June 30, 2025 | ||||||||||||||||
| Primary Geographic Markets | Home Comfort Solutions | Building Climate Solutions | Consolidated | ||||||||||||||
| United States | $ | 1,608.9 | $ | 788.3 | $ | 2,397.2 | |||||||||||
| Canada | 121.8 | 54.5 | 176.3 | ||||||||||||||
| Total | $ | 1,730.7 | $ | 842.8 | $ | 2,573.5 | |||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Contract assets | $ | 2.3 | $ | 1.7 | |||||||
| Contract liabilities - current | (8.2) | (10.5) | |||||||||
| Contract liabilities - noncurrent | (10.7) | (10.3) | |||||||||
| Total | $ | (16.6) | $ | (19.1) | |||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Finished goods | $ | 687.8 | $ | 719.1 | |||||||
| Work in process | 13.6 | 7.5 | |||||||||
Raw materials and parts(1) | 451.0 | 426.0 | |||||||||
| Total inventories, net | $ | 1,152.4 | $ | 1,152.6 | |||||||
Balance as of December 31, 2025 | Goodwill Adjustment(1) | Balance as of June 30, 2026 | |||||||||||||||
| Home Comfort Solutions | $ | 87.0 | $ | 1.6 | $ | 88.6 | |||||||||||
Building Climate Solutions | 410.2 | 4.9 | 415.1 | ||||||||||||||
| Total Goodwill | $ | 497.2 | $ | 6.5 | $ | 503.7 | |||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Unrealized gains, net on unsettled contracts | $ | (14.0) | $ | (23.3) | |||||||
| Income tax expense | 3.6 | 5.4 | |||||||||
Unrealized gains, net included in AOCL, net of tax (1) | $ | (10.4) | $ | (17.9) | |||||||
| For the Three Months Ended June 30, | For the Six Months Ended June 30, | ||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
Stock-based compensation expense | $ | 5.4 | $ | 8.2 | $ | 11.2 | $ | 14.5 | |||||||||||||||
| For the Three Months Ended June 30, | For the Six Months Ended June 30, | ||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||
| Service cost | $ | 0.1 | $ | 0.3 | $ | 0.3 | $ | 0.6 | |||||||||||||||
| Interest cost | 1.9 | 2.0 | 3.9 | 4.1 | |||||||||||||||||||
| Expected return on plan assets | (1.6) | (1.8) | (3.3) | (3.6) | |||||||||||||||||||
| Amortization of prior service cost | (0.1) | (0.1) | (0.1) | (0.1) | |||||||||||||||||||
| Recognized actuarial loss | 0.6 | 0.5 | 1.1 | 0.9 | |||||||||||||||||||
| Settlements and curtailments | 0.1 | 0.1 | 0.6 | 0.2 | |||||||||||||||||||
| Net periodic benefit cost | $ | 1.0 | $ | 1.0 | $ | 2.5 | $ | 2.1 | |||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Commercial paper | $ | 412.0 | $ | 226.0 | |||||||
| Current maturities of long-term debt: | |||||||||||
| Finance lease obligations | $ | 20.1 | $ | 18.3 | |||||||
Total current maturities of long-term debt | $ | 20.1 | $ | 18.3 | |||||||
| Long-Term Debt: | |||||||||||
| Finance lease obligations | $ | 54.6 | $ | 50.6 | |||||||
| Term Loan | 300.0 | 300.0 | |||||||||
| Senior unsecured notes | 800.0 | 800.0 | |||||||||
| Debt issuance costs | (5.4) | (6.5) | |||||||||
| Total long-term debt | $ | 1,149.2 | $ | 1,144.1 | |||||||
| Total debt | $ | 1,581.3 | $ | 1,388.4 | |||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Weighted average borrowing rate | 4.11 | % | 3.98 | % | |||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Weighted average borrowing rate | 4.55 | % | 4.90 | % | |||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Weighted average borrowing rate | — | % | — | % | |||||||
| For the Three Months Ended June 30, | For the Six Months Ended June 30, | Affected Line Item(s) in the Consolidated Statements of Operations | ||||||||||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | |||||||||||||||||||||||||||||
| Gains (Losses) on Cash Flow Hedges: | ||||||||||||||||||||||||||||||||
| Derivatives contracts | $ | 13.2 | $ | 3.4 | $ | 24.0 | $ | 6.0 | Cost of goods sold; Losses and other expenses, net | |||||||||||||||||||||||
| Income tax expense | (3.0) | (0.8) | (5.5) | (1.4) | Provision for income taxes | |||||||||||||||||||||||||||
| Net of tax | $ | 10.2 | $ | 2.6 | $ | 18.5 | $ | 4.6 | ||||||||||||||||||||||||
| Defined Benefit Plan items: | ||||||||||||||||||||||||||||||||
| Pension and post-retirement benefit costs | $ | (0.5) | $ | (0.4) | $ | (1.0) | $ | (0.8) | Other expense, net | |||||||||||||||||||||||
| Pension settlements | (0.1) | (0.1) | (0.6) | (0.2) | Pension settlements | |||||||||||||||||||||||||||
| Income tax benefit | 0.2 | 0.2 | 0.4 | 0.3 | Provision for income taxes | |||||||||||||||||||||||||||
| Net of tax | $ | (0.4) | $ | (0.3) | $ | (1.2) | $ | (0.7) | ||||||||||||||||||||||||
| Total reclassifications from AOCL | $ | 9.8 | $ | 2.3 | $ | 17.3 | $ | 3.9 | ||||||||||||||||||||||||
| Gains (Losses) on Cash Flow Hedges | Share of Equity Method Investments Other Comprehensive Income | Defined Benefit Pension Plan Items | Foreign Currency Translation Adjustments | Total AOCL | ||||||||||||||||||||||||||||
Balance as of December 31, 2025 | $ | 17.9 | $ | 0.2 | $ | (46.8) | $ | (19.8) | $ | (48.5) | ||||||||||||||||||||||
| Other comprehensive income (loss) before reclassifications | 10.9 | — | (1.2) | (2.5) | 7.2 | |||||||||||||||||||||||||||
| Amounts reclassified from AOCL | (18.5) | — | 1.2 | — | (17.3) | |||||||||||||||||||||||||||
| Net other comprehensive loss | (7.6) | — | — | (2.5) | (10.1) | |||||||||||||||||||||||||||
Balance as of June 30, 2026 | $ | 10.3 | $ | 0.2 | $ | (46.8) | $ | (22.3) | $ | (58.6) | ||||||||||||||||||||||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Senior unsecured notes | $ | 811.3 | $ | 817.4 | |||||||
| December 31, 2025 | Adjustment | June 30, 2026 | |||||||||||||||
| Net tangible assets acquired | $ | 39.1 | $ | (4.2) | $ | 34.9 | |||||||||||
Intangible assets acquired(1) | 235.0 | — | 235.0 | ||||||||||||||
| Goodwill | 277.2 | 6.5 | 283.7 | ||||||||||||||
| Total investment | $ | 551.3 | $ | 2.3 | $ | 553.6 | |||||||||||
| For the Three Months Ended June 30, | |||||||||||||||||||||||||||||
| Dollars (in millions) | Percent Change Fav/(Unfav) | Percent of Sales | |||||||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||||||||
| Net sales | $ | 1,545.3 | $ | 1,500.9 | 3.0 | % | 100.0 | % | 100.0 | % | |||||||||||||||||||
| Cost of goods sold | 1,005.8 | 983.4 | (2.3) | 65.1 | 65.5 | ||||||||||||||||||||||||
| Gross profit | 539.5 | 517.5 | 4.3 | 34.9 | 34.5 | ||||||||||||||||||||||||
| Selling, general and administrative expenses | 183.1 | 173.3 | (5.7) | 11.8 | 11.5 | ||||||||||||||||||||||||
| Losses (gains) and other expenses, net | 2.4 | (2.7) | 188.9 | 0.2 | (0.2) | ||||||||||||||||||||||||
| Income from equity method investments | (1.0) | (2.1) | (52.4) | (0.1) | (0.1) | ||||||||||||||||||||||||
| Operating income | $ | 355.0 | $ | 349.0 | 1.7 | % | 23.0 | % | 23.3 | % | |||||||||||||||||||
| For the Three Months Ended June 30, | |||||||||||
| 2026 | 2025 | ||||||||||
Foreign currency exchange losses (gains) | $ | 0.4 | $ | (4.3) | |||||||
Gain on disposal of fixed assets | (0.7) | (0.2) | |||||||||
Special litigation charges | 1.9 | 1.8 | |||||||||
Other items, net | 0.8 | — | |||||||||
| Losses (gains) and other expenses, net (pre-tax) | $ | 2.4 | $ | (2.7) | |||||||
| For the Three Months Ended June 30, | |||||||||||||||||||||||
| 2026 | 2025 | Difference | % Change | ||||||||||||||||||||
| Net sales | $ | 935.6 | $ | 1,009.3 | $ | (73.7) | (7) | % | |||||||||||||||
| Profit | $ | 221.8 | $ | 252.0 | $ | (30.2) | (12) | % | |||||||||||||||
| % of net sales | 23.7 | % | 25.0 | % | |||||||||||||||||||
| For the Three Months Ended June 30, | |||||||||||||||||||||||
| 2026 | 2025 | Difference | % Change | ||||||||||||||||||||
| Net sales | $ | 609.7 | $ | 491.6 | $ | 118.1 | 24 | % | |||||||||||||||
| Profit | $ | 155.3 | $ | 120.6 | $ | 34.7 | 29 | % | |||||||||||||||
| % of net sales | 25.5 | % | 24.5 | % | |||||||||||||||||||
| For the Six Months Ended June 30, | |||||||||||||||||||||||||||||
| Dollars (in millions) | Percent Change Fav/(Unfav) | Percent of Sales | |||||||||||||||||||||||||||
| 2026 | 2025 | 2026 | 2025 | ||||||||||||||||||||||||||
| Net sales | $ | 2,680.4 | $ | 2,573.5 | 4.2 | % | 100.0 | % | 100.0 | % | |||||||||||||||||||
| Cost of goods sold | 1,789.6 | 1,715.1 | (4.3) | 66.8 | 66.6 | ||||||||||||||||||||||||
| Gross profit | 890.8 | 858.4 | 3.8 | 33.2 | 33.4 | ||||||||||||||||||||||||
| Selling, general and administrative expenses | 368.3 | 344.6 | (6.9) | 13.7 | 13.4 | ||||||||||||||||||||||||
| (Gains) losses and other expenses, net | 4.6 | 0.1 | (4,500.0) | 0.2 | — | ||||||||||||||||||||||||
| Income from equity method investments | (0.6) | (3.3) | (81.8) | — | (0.1) | ||||||||||||||||||||||||
| Operating income | $ | 518.5 | $ | 517.0 | 0.3 | % | 19.3 | % | 20.1 | % | |||||||||||||||||||
| For the Six Months Ended June 30, | |||||||||||
| 2026 | 2025 | ||||||||||
| Foreign currency exchange losses (gains) | $ | 0.1 | $ | (3.5) | |||||||
| Gain on disposal of fixed assets | (1.3) | (0.3) | |||||||||
| Other operating loss | 0.8 | — | |||||||||
| Special litigation charges | 5.0 | 3.9 | |||||||||
| Losses (gains) and other expenses, net (pre-tax) | $ | 4.6 | $ | 0.1 | |||||||
| For the Six Months Ended June 30, | |||||||||||||||||||||||
| 2026 | 2025 | Difference | % Change | ||||||||||||||||||||
| Net sales | $ | 1,585.6 | $ | 1,730.7 | $ | (145.1) | (8) | % | |||||||||||||||
| Profit | $ | 308.3 | $ | 375.9 | $ | (67.6) | (18) | % | |||||||||||||||
| % of net sales | 19.4 | % | 21.7 | % | |||||||||||||||||||
| For the Six Months Ended June 30, | |||||||||||||||||||||||
| 2026 | 2025 | Difference | % Change | ||||||||||||||||||||
| Net sales | $ | 1,094.8 | $ | 842.8 | $ | 252.0 | 30 | % | |||||||||||||||
| Profit | $ | 250.9 | $ | 179.4 | $ | 71.5 | 40 | % | |||||||||||||||
| % of net sales | 22.9 | % | 21.3 | % | |||||||||||||||||||
| For the Six Months Ended June 30, | |||||||||||
| 2026 | 2025 | ||||||||||
| Net cash provided by operating activities | $ | 188.1 | $ | 51.0 | |||||||
| Net cash used in investing activities | (90.1) | (51.6) | |||||||||
| Net cash used in financing activities | (76.1) | (368.2) | |||||||||
| Outstanding Borrowings | |||||
| Commercial paper: | $ | 412.0 | |||
| Current maturities of long-term debt: | |||||
| Finance lease obligations | $ | 20.1 | |||
| Total current maturities of long-term debt | $ | 20.1 | |||
| Long-term debt: | |||||
| Finance lease obligations | $ | 54.6 | |||
| Term Loan | 300.0 | ||||
| Senior unsecured notes | 800.0 | ||||
| Debt issuance costs | (5.4) | ||||
| Total long-term debt | $ | 1,149.2 | |||
| Total debt | $ | 1,581.3 | |||
| June 30, 2026 | December 31, 2025 | ||||||||||
| Current assets | $ | 2,045.7 | $ | 1,676.4 | |||||||
| Non-current assets | 1,901.2 | 1,824.9 | |||||||||
| Current liabilities | 1,233.4 | 1,000.7 | |||||||||
| Non-current liabilities | 1,765.9 | 1,689.4 | |||||||||
| Amounts due to non-Guarantor Subsidiaries | (670.5) | (463.7) | |||||||||
| Six months ended June 30, 2026 | For the Year Ended December 31, 2025 | ||||||||||
| Net sales | $ | 2,581.6 | $ | 5,113.8 | |||||||
| Gross profit | 746.6 | 1,324.4 | |||||||||
| Net income | 233.2 | 406.3 | |||||||||
Total Number of Shares Purchased | Average Price Paid per Share (including fees) | Total Number of Shares Purchased As Part of Publicly Announced Plans | Approximate Dollar Value of Shares that may yet be Purchased under our Share Repurchase Plans (in millions) (1) | ||||||||||||||||||||
| April 1 through April 30 | 20,000 | $ | 495.99 | 20,000 | $ | 979.6 | |||||||||||||||||
| May 1 through May 31 | 217,627 | $ | 503.81 | 217,627 | $ | 870.0 | |||||||||||||||||
| June 1 through June 30 | 23,000 | $ | 534.77 | 23,000 | $ | 857.7 | |||||||||||||||||
| 260,627 | 260,627 | ||||||||||||||||||||||
| 3.1 | |||||
| 3.2 | |||||
| 4.1 | |||||
| 4.2 | |||||
| 4.3 | |||||
| 4.4 | |||||
| 4.5 | |||||
| 4.6 | |||||
| 4.7 | |||||
| 22.1 | |||||
| 31.1 | |||||
| 31.2 | |||||
| 32.1 | |||||
| 101 | INS Inline XBRL Instance Document | ||||
| 101 | SCH Inline XBRL Taxonomy Extension Schema Document | ||||
| 101 | CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document | ||||
| 101 | LAB Inline XBRL Taxonomy Extension Label Linkbase Document | ||||
| 101 | PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document | ||||
| 101 | DEF Inline XBRL Taxonomy Extension Definition Linkbase Document | ||||
| 104 | Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101) | ||||
By: | /s/ Theresa McCray | ||||
Name: Theresa McCray | |||||
Title: Vice President, Corporate Tax and Treasurer | |||||
U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee | |||||
By: | /s/ Michael K. Herberger | ||||
Name: Michael K. Herberger | |||||
Title: Vice President | |||||
| Guarantor | State or Other Jurisdiction of Formation | ||||
| Advanced Distributor Products LLC | Delaware | ||||
| Allied Air Enterprises LLC | Delaware | ||||
| Duro Dyne Buyer, Inc. | Delaware | ||||
| Duro Dyne National, Inc. | Delaware | ||||
| Heatcraft Inc. | Delaware | ||||
| Heatcraft Refrigeration Products LLC | Delaware | ||||
| Heatcraft Technologies Inc. | Delaware | ||||
| Lennox Global LLC | Delaware | ||||
| Lennox Industries Inc. | Delaware | ||||
| Lennox National Account Services Inc. | California | ||||
| Lennox National Account Services, LLC | Florida | ||||
| Lennox Procurement Company Inc. | Delaware | ||||
| Lennox Services, LLC | Delaware | ||||
| LGL Europe Holding Co. | Delaware | ||||
| /s/ Alok Maskara | |||||
| Alok Maskara | |||||
| Chief Executive Officer | |||||
| /s/ Michael P. Quenzer | |||||
| Michael P. Quenzer | |||||
| Chief Financial Officer | |||||
| /s/ Alok Maskara | |||||
| Alok Maskara | |||||
| Chief Executive Officer | |||||
| /s/ Michael P. Quenzer | |||||
| Michael P. Quenzer | |||||
| Chief Financial Officer | |||||