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LENNOX INTERNATIONAL INC

For the period ended May 22, 2025. Filed Apr 9, 2025.

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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

May 22, 2025 · Filed Apr 9, 2025

Use the contents to explore the available documents and sections.

LII$341.97-2.0%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☒Filed by a party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☒ Definitive Proxy Statement

☐ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

LENNOX INTERNATIONAL INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than The Registrant)

Payment of Filing Fee (Check the appropriate box):

☒ No fee required.

☐ Fee paid previously with preliminary materials.

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

NOTICE OF 2025 ANNUAL MEETING OFSTOCKHOLDERS

Meeting Information

DATE AND TIME Thursday, May 22, 2025 | 10:30 a.m., Central Daylight Time

LOCATION Virtual Meeting. You must register in advance at www.proxydocs.com/LII to attend. After registering, you will receive further instructions by email, including a unique link to access the 2025 Annual Meeting.

AgendaBoard Recommendation
Proposal 1 To elect two Class III directors for a three-year term expiring at the 2028 Annual Meeting of Stockholdersþ FOR each director nominee
Proposal 2 To conduct an advisory vote to approve the compensation of our named executive officers as disclosed in this Proxy Statementþ FOR
Proposal 3 To ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm for the 2025 fiscal yearþ FOR
Transact any other business that may properly come before the 2025 Annual Meeting in accordance with the terms of our Bylaws
Voting Methods Available to You
INTERNET Visit the website on your Proxy CardBY MAIL Mark, sign, date, and return your Proxy Card in the postage-paid envelopeYour vote is important. Please submit your proxy or voting instructions as soon as possible
TELEPHONE Call the number on your Proxy CardDURING THE MEETING You must register in advance at www.proxydocs.com/LII to virtually attend and vote during the 2025 Annual MeetingWho May Vote Our stockholders of record at the close of business on March 28, 2025, are entitled to notice of, and to vote at, the 2025 Annual Meeting
Important Notice Regarding the Availability of Proxy Materials for the for the Stockholder Meeting to be Held on May 22, 2025:The Proxy Statement, Proxy Card, and Annual Report on Form 10-K for the fiscal year ended December 31, 2024, accompany this Notice and are available at www.lennox.com and www.proxydocs.com/LII.By Order of the Board of Directors,Monica M. BrownCorporate Secretary

TABLE OF CONTENTS

Page
GENERAL INFORMATION REGARDING THE 2025 ANNUAL MEETING OF STOCKHOLDERS1
EXECUTIVE SUMMARY2
PROPOSALS REQUIRING YOUR VOTE8
PROPOSAL 1 ELECTION OF DIRECTORS8
PROPOSAL 2 ADVISORY VOTE TO APPROVE THE COMPENSATION OF OUR NAMED EXECUTIVE OFFICERS19
PROPOSAL 3 RATIFICATION OF THE APPOINTMENT OF ERNST & YOUNG LLP AS OUR INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR THE 2025 FISCAL YEAR21
AUDIT COMMITTEE REPORT23
CORPORATE GOVERNANCE24
DIRECTOR COMPENSATION30
EXECUTIVE OFFICERS32
EXECUTIVE COMPENSATION33
COMPENSATION DISCUSSION AND ANALYSIS33
COMPENSATION COMMITTEE REPORT47
2024 SUMMARY COMPENSATION TABLE48
2024 GRANTS OF PLAN-BASED AWARDS50
OUTSTANDING EQUITY AWARDS AT 2024 FISCAL YEAR-END52
2024 OPTION/SAR EXERCISES AND STOCK VESTED54
RETIREMENT PLANS54
2024 PENSION BENEFITS56
2024 NONQUALIFIED DEFERRED COMPENSATION57
POTENTIAL PAYMENTS UPON TERMINATION OR CHANGE IN CONTROL58
CEO PAY RATIO64
PAY VERSUS PERFORMANCE DISCLOSURE65
EQUITY COMPENSATION PLAN INFORMATION68
CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS69
DELINQUENT SECTION 16(A) REPORTS69
BENEFICIAL OWNERSHIP OF COMMON STOCK70
OTHER INFORMATION72
ATTENDING AND VOTING AT THE ANNUAL MEETING OF STOCKHOLDERS72
PROXY MATERIALS AND SOLICITATION74
STOCKHOLDER PROPOSALS FOR THE 2026 ANNUAL MEETING OF STOCKHOLDERS75
CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS75
APPENDIX A—GAAP RECONCILIATIONA-1

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.