How to contact lennox corporate office? 1 Corporate Headquarters: 2140 Lake Park Blvd. Richardson, TX 75080 phone: 972-497-5000 2 Consumer Affairs / Customer Service: Lennox Consumer Affairs P.O. Box 799900 Dallas, TX 75379 Customer Service: (1-800-953-6669) 3 Investor Relations: Steve L. Harrison Vice President, Investor Relations 2140 Lake Park Blvd. ...Why choose lennox hvac? Lennox Commercial provides a wide range of HVAC products and services for the United States and Canadian markets. For more information on how Lennox can provide high-performance, cost-effective systems to meet your needs, please call:How can i get my lennox system repaired or replaced? The best option is to contact a local Lennox dealer in your area and have them troubleshoot and repair your system. Lennox provides technical support and guidance to our various Lennox dealers across the country.How do i register my lennox thermostat? Go to Top You must register the product from the thermostat itself before gaining access to the myicomfort.com website. Your dealer will need to assist you with the first step of the registration process. Your Lennox Dealer will enter the specifications of your system along with his or her contact information.
Lennox provides technical support and guidance to our various Lennox dealers across the country. This means that should your dealer encounter an unusual situation that would require special assistance, they can contact us directly for advanced support. Contact one of your local Lennox dealers here.