Exhibit 99.1 Lennox Reports Fourth Quarter and Full Year 2025 Results; Provides Full Year 2026 Guidance ____________________________________________________________________________ Q4 Highlights (All comparisons are year-over-year, unless otherwise noted) (Reflects change in accounting method from LIFO to FIFO, effective 4Q 2025) • GAAP diluted EPS $4.07 – Adjusted diluted EPS down 22$4.45 2025 Full Year Highlights (All comparisons are year-over-year, unless otherwise noted) (Reflects change in account ...