S40, Touchscreen Smart Thermostat

Lennox S40 Smart Thermostat

The Lennox S40 is a premium Wi-Fi smart thermostat that automatically communicates with compatible Lennox equipment to maximize comfort, efficiency, and system performance.

Key Benefits:

• Large 7" color touchscreen with an easy-to-use interface
• Control your system from anywhere using the Lennox mobile app
• Smart scheduling and geofencing automatically adjust temperatures when you're away
• Real-time weather forecasts displayed on the thermostat
• Maintenance reminders and system alerts help keep your HVAC system running smoothly
• Compatible with indoor air quality accessories, zoning systems, and smart room sensors
• Professional monitoring and diagnostics help simplify service and troubleshooting

The S40 delivers advanced comfort control and convenient remote access—all from one smart thermostat.