xfinity app does not list the Zen thermostat. I downloaded he app today to pair with a new Thermostat and Zen is not an option in the list.
Hmm, I don't know if this means anything, but Zen is not listed here:
Briandavidbaker -- Thanks for reaching out. Unfortunately, since the Zen Thermostat requires the use of the touchscreen - it is only an option for customers who have Xfinity Home Secure. Internet Customers who use the Xfinity Home Mobile app for Cameras & Works with Devices cannot link Zen Thermostats in the app.