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Lennox S40 iComfort Smart Thermostat

by Lennox International Inc.

Your Home Comfort Command Center

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About This Product

The iComfort Wi-Fi is a web portal that provides online access to iComfort thermostat settings, allowing users to view system settings, adjust temperature, and view reminders and alerts remotely.

Capabilities

How this product is delivered and what's included out of the box.

Mobile app
Available
Free trial
No
Free tier
No
Public API
No
Deployment
On Premise

Trust & Privacy

Each statement below was extracted directly from the vendor's privacy policy or terms of service. Click "source" to read it in context.

Doesn't train AI models on your data

"We do not use cookies for behavioral advertising or data sale purposes. Any technical data collected is used solely for operational and security purposes."
Confidence: medium Source

Data export available on request

"The right to data portability under certain circumstances, which means the right to obtain your Personal Information in a machine-readable format."
Confidence: high Source

Data deletion honored on request

"The right to erasure and/or the right to be forgotten under certain circumstances, which means the right to have us delete or remove certain Personal Information we process about you."
Confidence: high Source

Primary policy document: https://lennox.com/privacy

Tool Specifications

Warranty
10 years
Connectivity
Wifi
Mobile App

Thermostat Capabilities

Communication
Proprietary communicating (Lennox RSBus / iComfort communicating bus, terminals I+, I-, A, B)
Communicating Compatibility
Lennox iComfort / S-series communicating equipment ONLY (will not work with any other brand's communicating equipment); also supports universal 24V conventional mode with Equipment Interface Module (22X18)
C-Wire
C-wire required (communicating RSBus / 24V wiring); pairs with Smart Hub controller
Voice Assistants
Alexa / Google Assistant (also integrates with Control4)
Zoning
native zoning via Lennox iHarmony (external zoning panel/dampers, communicating)
IAQ Sensors
remote temp sensors (Smart Room Sensor 22V25); humidity; Smart Air Quality Monitor (21P02) for PM2.5/VOC IAQ; outdoor temp via equipment
Geofencing
yes
BMS / BACnet
none (residential communicating; no BACnet)
Dealer Portal
LennoxPros (LennoxPros.com contractor portal); Lennox Smart Technician app for commissioning; Lennox Home app for homeowner
Pro Features
Dealer remote diagnostics sharing, active system monitoring with alerts, maintenance reminders, system warnings/troubleshooting on screen + app, Smart Technician commissioning app

FSH Score Breakdown

Ease of Use
7.0
Features
8.3
Support
5.0
Value
4.0
Integrations
4.5
AI Capabilities
1.5

Customer Reviews

Features

23 features confirmed across 8categories· Showing confirmed capabilities only

Equipment & Asset Management11features

Away ModeRemote MonitoringRemote MonitoringAir Filter Change RemindersAir Quality MonitoringIndoor air quality monitoringEvent Setback ManagementSmooth Setback RecoveryHVAC Zoning ManagementRoom-specific comfort customizationModular Sensor IntegrationAvailable as optional accessories.Remote DiagnosticsRemote diagnostics sharing
Show 3 more
Demand ControlSmart AwayAlertsFilter ReminderBAS AutomationSystem communication

Reporting & Analytics3features

ReportingEnergy ReportsAnalyticsService DashboardRole-Based DashboardsService Dashboard

Scheduling & Dispatch2features

SchedulingSchedule IQWeather Data IntegrationWeather-On-Demand

Compliance & Safety2features

Refrigerant Recovery TrackingIntelligent RecoveryAir BalancingRoom temperature balancing

Training & Education2features

Comfort & PsychrometricsFeels LikeIndoor Air Quality (IAQ)Feels Like climate control

Hardware Features1feature

Smart Home IntegrationDual-Fuel Capability

Fleet & GPS Management1feature

GeofencingSmart Away geofencing

Platform & Customization1feature

Third-Party IntegrationGoogle Assistant Integration

Integrations 3 across 1 category

Industry-Specific 3
Amazon Alexa

Amazon Alexa

Control4

Control4

Google Assistant

Google Assistant

Pricing

Model
Custom
Starting at
$500
Notes
~$650 MSRP (distributor listings cite $649.99); street $500-$650
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