Lennox Smart Thermostats
& Comfort Controls
From the fully communicating S40 to the affordable M30, Lennox thermostats give you precise control over your Chicago home's comfort and energy use.
IL License #2183457 · D's Air & Heating, Inc. · Chicago, IL · No Contracts
Lennox S40 Smart Thermostat
Fully communicating thermostat with IAQ and zoning integration
$350–$550 installed
The Lennox S40 is the flagship communicating thermostat for Lennox iComfort systems. It integrates heating, cooling, indoor air quality, humidity control, and zoning into a single color touchscreen — giving you complete control over your home's comfort from one device or your phone.
- Fully communicating — integrates with Lennox iComfort systems
- Controls heating, cooling, IAQ, humidity, and ventilation from one screen
- Smart Zoning compatible for multi-zone comfort
- Wi-Fi enabled with Lennox Home App remote access
- Alexa and Google Home voice control
- Energy use reports and smart scheduling
Lennox E30 Smart Thermostat
Wi-Fi smart thermostat with smart home integration
$250–$400 installed
The Lennox E30 is a Wi-Fi smart thermostat that works with most Lennox and conventional HVAC systems. It delivers smart home integration, remote access via the Lennox Home App, and voice control — without requiring a fully communicating system.
- Wi-Fi enabled with Lennox Home App remote access
- Compatible with most Lennox and conventional HVAC systems
- Alexa and Google Home voice control
- Color touchscreen with intuitive interface
- Smart scheduling and energy reports
- More affordable than the S40 for non-communicating systems
Lennox M30 Smart Thermostat
Affordable Wi-Fi thermostat for conventional systems
$180–$300 installed
The Lennox M30 is the most affordable Wi-Fi thermostat in the Lennox lineup. It's the right choice for Chicago homeowners who want smart thermostat convenience — remote access, voice control, and scheduling — without the cost of communicating system features.
- Affordable Wi-Fi thermostat for conventional HVAC systems
- Remote access via Lennox Home App
- Alexa and Google Home compatible
- Color touchscreen display
- Smart scheduling and energy tracking
- Best value for standard single-zone systems
Lennox L Series Thermostats
Simple programmable thermostats for conventional systems
$80–$180 installed
The Lennox L Series thermostats are simple, reliable programmable controls for conventional HVAC systems. They're the right choice when you want dependable scheduling without smart home features — straightforward, easy to use, and built to last.
- Simple, reliable programmable thermostat
- 7-day programming for set-and-forget scheduling
- Compatible with most conventional HVAC systems
- Easy-to-read LCD display
- No Wi-Fi or app required
- Most affordable Lennox thermostat option
Sensors & Accessories
Smart Room Sensor
Monitors temperature and occupancy in individual rooms for smarter zoning and comfort
Air Quality Monitor
Tracks indoor air quality metrics and integrates with PureAir S and ventilation systems
EIM Module
Equipment Interface Module for connecting non-communicating equipment to iComfort systems
Ready to Upgrade Your Thermostat?
D's Air & Heating, Inc. · (773) 940-0965 · [email protected] · IL License #2183457