United States securities and exchange commission logo November 22, 2023 Joseph Reitmeier Chief Financial Officer Lennox International Inc. 2140 Lake Park Blvd. Richardson, TX 75080 Re: Lennox International Inc. Form 10-K For Fiscal Year Ended December 31, 2022 Filed February 21, 2023 File No. 001-15149 Dear Joseph Reitmeier: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Technology