I was at first a little confused about how to set these up with my iPhone, I placed a call with customer service, and no the wait was kind of long, the tech person was patient, and the explanations were clear, as they walked me through the whole process of setting up the individual units, which I really appreciated.
I did my homework before I purchased a new thermostat. We have a geothermal heating system in a 2 story home. Our lower level is both an artist studio and a family room that’s used sporadically with both rooms controlled on a second heating zone. We needed a thermostat to control the temperature before we walked downstairs. The T6 has worked perfectly for that purpose. Recommend professional installation to insure your thermostat works as expected! No regrets!