We have a thermostat on the second floor directly above our WiFi and no other device upstairs has an issue but this thermostat loses WiFi constantly and have had it replaced three times. First replacement was for Bluetooth that never worked for the initial setup/ second time was watching the WiFi icon appear and disappear every three seconds. Third was it never worked establishing a connection. And now it’s finally working but I wouldn’t recommend this device to my worst enemy.
It is very easy to use. The only thing that would be helpful is when using the wi-fi if it gave you the capability to put a hold time on the temperature, i.e. change to 70 and hold for two hours.