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LennoxHeating, Cooling & AirInstallation manual and setup guidePDF · 104 pages
ModeliComfort S30

Lennox iComfort S30 Smart Thermostat installation manual and setup guide

The official installation manual and setup guide for the Lennox iComfort S30 Smart Thermostat, published by Lennox. Read all 104 pages right here, jump to any chapter, or download and print the PDF.

104 pages · 3.8 MB English Published by Lennox Added Sep 13, 2026
Installation manual and setup guide
ModeliComfort S30

01 iComfort S30 installation manual and setup guide

Lennox iComfort S30 Smart Thermostat Installation manual and setup guide
104 pages · 100%
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02 Document details

BrandLennox
ModeliComfort S30
Document typeInstallation manual and setup guide
CategoryHeating, Cooling & Air
Pages104
File size3.8 MB
LanguageEnglish
Title in the PDFiComfort S30 Installation Manual and Setup Guide
Original sourcelennox.com

03 Check you have the right manual

Thermostats show the model on the back of the faceplate or in the settings menu. Window units put the label on the side of the cabinet. Purifiers and dehumidifiers put it on the base or back.

Compare the model number on your product's label with the model list on the first pages of the PDF. Letters at the end often only mean color or region.

04 Common jobs

Is this the official Lennox iComfort S30 Smart Thermostat manual?

Yes. This is the installation manual and setup guide published by Lennox, originally hosted at lennox.com. We host a copy so you can read, download and print it here.

Can I download the iComfort S30 manual as a PDF?

Yes. Use the Download PDF button in the viewer or the sidebar. The file is 3.8 MB and has 104 pages.

Where is the model number on my heating, cooling & air?

Thermostats show the model on the back of the faceplate or in the settings menu. Window units put the label on the side of the cabinet. Purifiers and dehumidifiers put it on the base or back.