Lennox International Inc. (NYSE: LII) is an American company. Through its subsidiaries, it is a provider of climate control products for the heating, ventilation, air conditioning, and refrigeration markets around the world. The company was founded in 1895 by Dave Lennox and today is focused on four core businesses: Residential Heating and Cooling, Commercial Heating and Cooling, Service Experts, and Refrigeration. The company headquarters are in Richardson, Texas, near Dallas. The company manufacturers most residential heating and cooling products in Marshalltown, Iowa, USA. In addition, manufacturing of the entry level Merit series takes place in Saltillo, Mexico.
On March 11, 2004, Lennox announced to adjust 2003 earnings. The downward revision was expected to be approximately $3.0 million, or $0.05 per share, subject to the completion of an inquiry being conducted by the audit committee of the board of directors.