Lennox IComfort S30 Thermostat


ULTRA SMART THERMOSTAT. The ultimate controller for precise comfort. With the Schedule IQ feature, you only need to program the thermostat once. Whenever there’s a change in your routine, the thermostat adapts heating and cooling to match.

Save energy when you’re away. But always come home to comfort.

The iComfort® S30’s Smart Away Mode uses the GPS in your smartphone to detect when you’re leaving, and automatically increases system efficiency. If you or a family member returns home, Smart Away then returns your system to a normal schedule and comfortable temperature.

Compatibility with Amazon Alexa makes comfort even easier. The iComfort® S30 is now compatible with devices with Amazon Alexa*, so you can use your voice to control your HVAC system. Smart, convenient and easy to use, perfect comfort is just a voice command away.

  • System Compatibility Works with premium Lennox® communicating equipment only
  • Alexa Compatibility
  • Allows you to use your voice to control your HVAC system.
  • Programmable
    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
  • Touchscreen
    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 Reports
    Show 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 Capability
    Monitor 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-Demand
    Air 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 Alerts
    Provides 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.
  • Works with premium Lennox® communicating equipment only
Touchscreen Thermostat


Set the iComfort® S30’s Perfect Temp, and your system will heat or cool as needed to maintain your temperature in any weather, year round.

Smart Thermostat

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Lennox Residential is a leading provider of innovative, home heating and cooling systems.  Those identified as Lennox® Premier Dealers™ have been singled out for delivering the highest standard of HVAC service and care. They are trained and dedicated to satisfy all your needs so you can enjoy the best home comfort possible.

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