Lennox International Inc. (LII), headquartered in Richardson, Texas, designs, manufactures, and markets products for the heating, ventilation, air conditioning, and refrigeration markets. Valued at $18.6 billion by market cap, the company sells its products and services through direct sales, distributors, and company-owned parts and supplies stores.
Shares of this leader in energy-efficient climate-control solutions have underperformed the broader market over the past year. LII has declined 9.5% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 14%. However, in 2026, LII’s stock is up 9.1%, surpassing the SPX’s 1.3% rise on a YTD basis.
