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Customer Support

National Accounts 


Hours: 8am-5pm CST

Commercial Support

1.800.4.LENNOX (1.800.453.6669)

Hours: 7am-5pm CST

Corporate Headquarters

2100 Lake Park Blvd.
Richardson, TX 75080

Global Sales Office

Lennox Commercial products and services include a number of solutions that are specifically designed for the international market. For more information on how Lennox can provide high-performance, cost-effective systems to meet your needs, please contact the following:

Lennox Global(opens in new window)
Latin America (Mexico, Central America, South America), Caribbean and Asia/Pacific

Connect with us

Interested in doing business with Lennox Commercial? Submit the form below and a Sales Representative will reach out. 

Please note - this form is for Sales inquiries only. If you require Technical Support, please call the phone numbers listed.