iComfort S30® Ultra Smart Thermostat

System Compatibility Works with premium Lennox® communicating equipment only
Alexa Compatibility

Allows you to use your voice to control your HVAC system.


Versatile programming options offer custom comfort and energy savings
Smooth Setback Recovery

Senses extreme temperature changes and begins the temperature recovery process up to 2 hours before the programmed time
Smart Away™Uses the GPS in your smartphone to detect when you’re leaving, and automatically changes the temperature to a more energy-efficient setting
Schedule IQ™Allows you to only program your thermostat once. Whenever there’s a change in your routine, the thermostat adapts heating and cooling to match
One-Touch Away Mode

Overrides your regular programming schedule when you’re away and automatically turns down heating or cooling to save energy
Allergen Defender

Monitors the air quality and pollen levels of your local zip code and automatically turns the fan on to clean your home’s air when outdoor levels are high

Feels Like™

Similar to the “Feels Like” temperature in a weather report, this feature takes into account temperature and humidity to create a comfortable environment

Perfect Temp

Works with your system to heat or cool as needed to preserve your temperature in any weather, year-round

Filter Reminder

Reminds you when its time to change the filter
Customizable Reminders

Allow you to set a series of service and parts replacement reminders which display on the home screen
Auto Changeover

Decides between heating and cooling operation, depending on indoor temperature

Features a large, easy-to-use display with adjustable brightness
Weather Screen Savers

Themed screen savers on the 7″ HD color touchscreen are designed with graphics that tell you what weather conditions are like outside

Dual-Fuel Capability

Increases the efficiency of dual-fuel heating systems by automatically alternating between gas and electric operation

Energy ReportsShow how often and how long the heating or cooling system has run for the month
Humidity Control

Works with the whole-house humidity-control systems to adjust the home’s humidity level
Remote CapabilityMonitor and adjust temperatures and schedules from anywhere in the world using the iComfort App and your smartphone, tablet or other web-enabled device
Weather-On-DemandAir quality conditions are offered for your local area, so you always know what’s happening outside
Precise Comfort® Plus

Holds your home’s temperature to within 0.5 degree or less when used with premium Lennox® equipment

Climate IQ® Technology

Monitors humidity levels, and removes excess moisture for healthier, more comfortable air

Emailed AlertsProvides detailed diagnostics and reminds your Dealer when service is needed
Remote Monitoring

Allows Lennox dealers to analyze your system from anywhere via their computer or mobile device

Remote Troubleshooting

Makes it possible for dealers to use their mobile device to adjust system parameters to fix problems, without ever making a trip to your home

Warranty 5-Year Limited Warranty