| 3.1 | | | Restated Certificate of Incorporation of Lennox International Inc. (“LII”) (filed as Exhibit 3.1 to LII's Annual Report on Form 10-K filed on February 15, 2022 and incorporated herein by reference). | | |
| 3.2 | | | Amended and Restated Bylaws of LII (filed as Exhibit 3.2 to LII's Annual Report on Form 10-K filed on February 15, 2022 and incorporated herein by reference). | | |
| 4.1 | | | Indenture, dated as of May 3, 2010, between LII and U.S. Bank National Association, as trustee (filed as Exhibit 4.3 to LII’s Post-Effective Amendment No. 1 to Registration Statement on S-3 filed on May 3, 2010 and incorporated herein by reference). | | |
| 4.2 | | | Ninth Supplemental Indenture, dated as of July 30, 2020, among LII, each existing Guarantor under the Indenture, dated as of May 3, 2010, as subsequently supplemented, and U.S. Bank National Association, as trustee (filed as Exhibit 4.2 to LII’s Current Report on Form 8-K filed on July 30, 2020 and incorporated herein by reference). | | |
| 4.3 | | | Form of 1.700% Notes due 2027 (filed as Exhibit B in Exhibit 4.2 to LII’s Current Report on Form 8-K filed on July 30, 2020 and incorporated herein by reference). | | |
| 4.4 | | | Tenth Supplemental Indenture, dated as of July 14, 2021, among LII, each existing Guarantor under the Indenture, dated as of May 3, 2010, as subsequently supplemented, and U.S. Bank National Association, as trustee (filed as Exhibit 4.7 to LII's Annual Report on Form 10-K filed on February 15, 2022 and incorporated herein by reference). | | |
| 4.5 | | | Eleventh Supplemental Indenture, dated as of September 15, 2023, among LII, the guarantors party thereto and U.S. Bank Trust Company, National Association, as trustee (filed as Exhibit 4.2 to LII's Current Report on Form 8-K filed on September 15, 2023 and incorporated herein by reference). | | |
| 4.6 | | | Form of 5.500% Notes due 2028 (filed as Exhibit A in Exhibit 4.2 to LII's Current Report on Form 8-K filed on September 15, 2023 and incorporated herein by reference). | | |
| 10.1 | | | Term Credit Agreement, dated as of October 16, 2025, among LII, Wells Fargo Bank, National Association, as administrative agent and the other lenders party thereto (filed herewith). | | |
| 10.2 | | | Guaranty Agreement, dated as of October 16, 2025, among the guarantors party thereto and Wells Fargo Bank, National Association, as administrative agent (filed herewith). | | |
| 22.1 | | | List of Guarantor Subsidiaries (filed herewith). | | |
| 31.1 | | | Certification of the principal executive officer (filed herewith). | | |
| 31.2 | | | Certification of the principal financial officer (filed herewith). | | |
| 32.1 | | | Certification of the principal executive officer and the principal financial officer pursuant to 18 U.S.C. Section 1350 (furnished herewith). | | |
| 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) | | |
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