Lennox Support Center
Find Help and Answers
Scheduled maintenance update
We’re doing routine maintenance some features may be temporarily unavailable. Thanks for your patience!
Homeowner Resources
This section is designed to provide homeowners with reliable information and practical guidance for maintaining and optimizing their HVAC systems.
Warranty Questions
Since 1895, Lennox has led innovations in the pursuit of perfect air. Our systems make air cooler, warmer, cleaner, and more comfortable.
Indoor Air Quality
Balanced humidity creates a healthier, more comfortable home year-round. It also helps you save energy.
Register a Product
Thank you for choosing a Lennox® product and registering it online. Stay informed with registration.
Model Number Look Up
The model and serial numbers for your cooling system can be found on the nameplate or sticker, located near the service panel.
Browse By Topic
Explore HVAC Products, Services, and Solutions:
Find a Local Pro
Enter your zip code to find a Lennox® dealer near you for service, support, or installation.