Richardson, Texas-based Lennox International Inc. (LII), with a market capitalization of approximately $15.2 billion, is a climate-control solutions company that provides energy-efficient heating, cooling, indoor air quality, and refrigeration systems for residential and commercial applications across North America.
Shares of this leading climate-control solutions company have underperformed the broader market over the past year. LII has declined 27.3% over this period, while the broader S&P 500 Index ($SPX) has advanced 21.3%. The stock has also underperformed the index in 2026, falling 12.8% year-to-date, compared with the S&P 500’s 13.3% gain over the same period.
