Is your Lennox heater not turning on? Follow our troubleshooting tips to diagnose and fix the problem.

Learn how to troubleshoot common issues with your Lennox furnace with this comprehensive guide.

If your Lennox furnace is displaying an error code, don’t panic. Use this guide to decode the code and troubleshoot common issues.

A faulty ignitor can cause issues with your Lennox furnace. Learn how to troubleshoot and fix common problems.

If your Lennox furnace is blowing cold air, it could be due to a number of issues. Learn about the common causes and how to fix them.

Are you smelling strange odors from your heater? Learn the possible causes and what you should do about it.

Is your heater not blowing air? Follow our troubleshooting guide to fix the problem and get your heater running again.

Is your heater not heating your home enough? Follow our troubleshooting tips to improve its performance.

Is your heater not turning on? Don’t panic! Follow our step-by-step troubleshooting guide to fix common heater issues and get your heater running again.

Hearing strange noises from your heater? Learn what they mean and how to fix the problem.