Technical Training and Support

Request training by emailing commercialtraining@lennoxind.com. Include details about the type of training you need (in-person, online, product-specific, etc). A dedicated member of our training and support teams will connect with you to schedule a session.

Monday - Friday 8 am-5 pm CST. Closed for lunch from 12-1 pm CST.

• Stop work and do not proceed with repairs.
• Reach out to tech support. The preferred method is to be onsite and call us.
• We will need the following info:
  • Model and serial #’s
  • Installation/startup date
  • Pictures, videos
• We will work with the onsite tech, perform tests, obtain electrical data, refrigerant pressures, etc.
• Tech Support will verify the exact nature of the issue.
  • If we cannot agree to the costs or the contractor does not want to make the repairs, Tech Support can elect to send National Account Services (NAS) to repair the unit.
  • Shipping damage and sale order issues/mistakes are not typically considered quality defects and are usually resolved by the sales team.

• Be on-site and ready to proceed with diagnostics.
• Have all necessary tools, including ladders if needed to access equipment.
• Know the unit model number and serial number.

• Diagnostics/Troubleshooting
• Startup questions
• Settings
• Technical advice regarding our products
• Resolve defect issues
• Issue work authorizations
• Review and approve LSAs
• Perform site visits/ Technical escalations
• Quality- Gratis requests

• Shipping Damage
• Parts orders/ETAs
• Depleted, Discontinued parts
• Alternative repair parts
• Equipment orders
• NAS ETAs
• Part order expedition request
• Account credit
• Part Warranties

• Questions regarding building automation systems, controls integration, BACnet, LON, or LConnect.
• Call - 1-800-308-5492

• New equipment selection or design questions.
• Call - 1-888-595-4962

• Equipment troubleshooting assistance, defects, setup, settings, and technical questions.
• Call - 1-800-453-6669
• Email - CommercialInsideTechnicalSupport@lennoxind.com

• National Accounts Technical Support 1-800-367-6285
• NationalAccountsTechnicalSupport@lennoxind.com
• National Account Parts 1-800-906-4427

• For assistance ordering parts.
• Call - 1 (800) 953-6669

Visit LennoxPROs.com and log in with your account information.

We offer 1–2-page instructional PDFs for the most common questions and settings on each of our products, geared towards assisting HVAC service techs. Look under “Tech Training” on any product page or when you search for product documentation and download PDFs for easy reference.