Repair
Tell us what the system does, what the thermostat displays, and when the problem began. An assessment establishes the cause before a repair recommendation.
Air conditioning help →Homeowner service guide
Lennox AC and heating service.
Need help with your Lennox system? Describe the problem, compare repair and replacement options, or arrange maintenance with HVAC Remedies.
Know your equipment
Separate a Lennox equipment problem from a room-control problem.
The Lennox residential range includes heating and cooling equipment, mini-splits, thermostats, and zoning. If only part of the home is uncomfortable, note which rooms or zones are affected. Tell us whether the thermostat changes normally and whether other rooms still receive conditioned air, rather than assuming the outdoor unit needs replacement.
For a Lennox system with several thermostats or indoor units, identify which control belongs to the affected area. Record any alert exactly as it appears. When considering a new system, discuss the rooms that are difficult to keep comfortable as well as the age of the existing equipment.
Equipment to identify: Air conditioners, furnaces, heat pumps, mini-splits, thermostats, and zoning controls.
Manufacturer resources
Use the official information for your model.
Check the equipment model, serial number, installation date, and registration documents before reviewing coverage. A manufacturer link does not establish that a repair, replacement part, or labor charge is covered. Confirm the applicable terms for your equipment.
For manufacturer support, use the company contact resource below. Have your equipment or component model, serial number, purchase or installation date, and proof of purchase ready. Coverage and claims procedures depend on the applicable product terms.
Heating and cooling help for homeowners