Lennox International Inc. LII

LII Company Overview

Lennox International Inc. (NYSE: LII) is a U.S.-based climate control solutions company that manufactures and markets heating, ventilation, air conditioning, and refrigeration (HVACR) products for residential, commercial, and industrial applications. The company operates primarily in the HVAC and refrigeration industries, with revenue driven by equipment sales, replacement demand, aftermarket parts, and service-related products. Lennox serves residential homeowners, commercial building operators, contractors, distributors, and food retail customers through a combination of direct distribution and independent dealer networks.

The company’s primary business lines include residential heating and cooling systems, commercial rooftop HVAC units, indoor air quality products, refrigeration systems for supermarkets and convenience stores, and related services and components. Lennox is known for its premium energy-efficient HVAC offerings, vertically integrated manufacturing and distribution capabilities, and strong dealer relationships across North America. Founded in 1895 by Dave Lennox in Iowa, the company evolved from a regional furnace manufacturer into a global HVACR enterprise through product expansion, acquisitions, and investment in energy-efficient technologies. Lennox became an independent public company in 1999 following its separation from AlliedSignal.