To add a thermostat to your account you will need to be standing in front of your Lennox S40 Smart Thermostat and be logged into your Lennox Home App.
• From your thermostat go to Menu > User Account > Account.
• Select Generate Pin at the bottom of the screen. A five-digit unique pin number will appear.
• From the Lennox Home App go to Menu > Add Smart Thermostat.
• Enter the five-digit pin on the Lennox Home App
• Then select Add
• The next screen will display your Existing Homes listed within the account and the option to Add New Home.
• Select the location for the thermostat.
• Then select Done
• If you selected Add New Home, Enter the home information required on this screen.
• A screen will appear asking that you verify your home address. If everything is correct, select Done.


