Explains How to Fix Honeywell WiFi Thermostat Connection Failure problems. You might see these on Honeywell internet thermostats from time to time. How to Fix Honeywell WiFi Thermostat Connection Failure: Figuring Out the Causes By this, we mean that the thermostat did connect properly before the failure. But it has recently lost its WiFi connection. … Continue reading How to Fix Honeywell WiFi Thermostat Connection Failure