Lennox International (LII) 10-K 2015 FY Annual report

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors

Lennox International Inc.:

We consent to the incorporation by reference in the registration statement (Nos. 333‑181369, 333-127540, 333-91130, 333-91128, 333-71416, 333-60122, 333-52046, 333-86989, 333-83961, and 333-83959) on Form S-8 of Lennox International Inc. and subsidiaries of our report dated February 16, 2016, with respect to the consolidated balance sheets of Lennox International Inc. and subsidiaries as of December 31, 2015 and 2014, and the related consolidated statements of operations, comprehensive income, stockholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2015, and Schedule II - Valuation and Qualifying Accounts and Reserves, and the effectiveness of internal control over financial reporting as of December 31, 2015, which report appears in the December 31, 2015 annual report on Form 10‑K of Lennox International Inc.

/s/ KPMG LLP

Dallas, Texas

February 16, 2016