Lennox iComfort Wi-Fi

Lennox International Inc

About this app

This app is designed to work with Lennox iComfort Wi-Fi Thermostat.

Adjust your home’s temperature anytime, anywhere from your mobile device with the Lennox iComfort Wi-Fi mobile app!

Control the temperature at home using the intuitive temperature dials from anywhere in the world: on the beach, on the slopes, or even from the couch. Already in bed, but want to adjust the temperature? No problem! The Lennox iComfort Wi-Fi app is there to adjust your home’s comfort without requiring you to leave that comfy bed.

Leave the house and forget to dial back the thermostat? Simply start the app and use the one- touch away mode to save energy the entire time you are gone. Cancel the away mode before you get back to return to a perfectly comfortable home.

App Features
• Adjust the temperature from anywhere
• Change whether your system should heat or cool your home
• Select the program you wish to run
• Put the system into an energy savings away mode when no one is home
• Select your fan to always run (ON) or come on occasionally (circulate)

You must own a Lennox iComfort Wi-Fi® thermostat to use the app. The Lennox iComfort Wi-Fi thermostat must also be connected to your home’s Wi-Fi router before the app can control the settings. For more information about the Lennox iComfort Wi-Fi thermostat or for help connecting to your wireless network, visit www.lennox.com/residential/

We truly appreciate your questions and comments. Please keep sending your suggestions to [e-mail] or @AskDaveLennox on Twitter

Ratings and reviews

2021 Unreliable. I can turn off heating on the app and find out the next day that heating ran all night. I have to open and close the app a couple of times because it shows the wrong status. After making a change on the app, I close and open it to make sure the change took. The app shows that I made the change but the system may not register it. This issue has been going on for years. It continues after replacing a failed controller. 2025 same issues. Down to 1 star from 2.

5th update. I've been using this app since 2018, and I agree with many comments; however, it did work for me with only a couple of outages. Recently, it stopped working, froze upon opening. Did the usual, force stop - didn't work, uninstall and reinstall - didn't work. Finally gave permission for Phone, which did work. Maybe this will help others. It'd be nice to have all options that the wall unit has; however, I doubt Lennox will put new effort in an older app.

This app on my iPad and Galaxy will not get into the start screen. There seems to be a DNS issue to the Lennox server. I will update when resolved by the development team Update: app is working on 4/28/24. It may have been system maintenance. It would be nice if the app, instead of hanging, reports that the system is down due to maintenance. Alternatively, this could have been an actual outage that was eventually remediated.