Lennox 12U67 Lennox iComfort S30 Ultra Smart Programmable Thermostat, 7 inch HD Color Display, Alexa and Apple HomeKit Compatible

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Must be installed by a Lennox Contractor for Warranty. Improper installation will void warranty.
Introducing four new features to the iComfort S30 that help control a home’s environment. The iComfort S30 now pairs with any Google Assistant device, a perfect addition to the already compatible Alexa and Siri devices. If This, Then That (IFTTT) can help program the iComfort thermostat around a homeowner’s schedule. It brings home automation apps together for the ultimate comfort experience. To display a more personalized custom backdrop, the new picture upload capability allows a personal photo to be uploaded via a smartphone and the iComfort App. The iComfort S30 ultra smart thermostat outperforms the rest by monitoring system operation in real time, with ventilation control the dealer gets alerted when it’s time for a filter change or repair, making sure the system always performs at its best and eliminating the need for a separate ventilation control panel.

Energy Savings


Smart Away™ Mode - Uses the GPS in a smartphone to detect when a homeowner is leaving, and automatically changes the temperature to a more energy-efficient setting


Schedule IQ™ Technology - A one-time programming feature that senses changes in the routine and adjusts heating and cooling to match


One-Touch Away Mode – Overrides users regular programming schedule when they're away and automatically turns down heating or cooling to save energy





Feels Like™ Setting - Takes into account temperature and humidity to make a home feel exactly like the homeowner wants


Automatic Changeover – Switches between heating and cooling, depending on indoor temperature


Allergen Defender - Monitors the air quality and pollen levels in the area and automatically turns the fan on as needed to clean your home's air


Perfect Temp – Works with the system to heat or cool as needed to preserve the temperature in any weather





Remote Capability - When used with a smartphone or other web-enabled device


Weather-On-Demand - Allows the to view forecasts and air quality conditions in your area


Precise Comfort® Plus – Holds a home’s temperature to within 0.5 degree or better when used with premium Lennox® equipment



  • Your installations went faster and smoother. With automatic system setup, iComfort S30 significantly reduces installation time. Plus with the iComfort Mobile Setup App technicians can adjust settings and run tests all from their phone, eliminating the time consuming trips of walking back and forth between the thermostat and indoor/outdoor unit.
  • You’ll be aware of issues before they happen. With the proactive monitoring offered by iComfort thermostats, you’ll know something is wrong before the homeowner does.
  • You can address problems remotely. With the iComfort S30 thermostat, you won’t just identify the problem, you may even be able to fix it remotely. If the problem does require a truck roll, you can proactively schedule a service call with the homeowner.
  • You’ll always have the right resources for the job. Since you’ll know what’s wrong, you’ll already know what tools, techs and supplies you’ll need to bring along. That translates to faster service calls for you.

Brand Lennox
Catalog Number 12U67
Model/Part Number iComfort S30
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Product Depth 1 IN
Product Height 5 IN
Product Width 7.5 IN
Type Universal
Gross Weight 3.5 LB
Family iComfort
Series S30
Changeover Auto
Humidification Control Yes
Lennox Brand Comparison 12U67
Program Type 7 Day
Communicates with Lennox Yes
Stages Quantity 3 Heat/2 Cool
Intelligent Recovery Yes
WiFi Remote Access Yes

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