Review of the Honeywell RTH8580WF WiFi Thermostat. Now this thermostat is a state-of-the-art digital climate control regulator. It features extensive program attributes. Plus, you can set it for different programs on each the seven week days. This t-stat also has battery backup, and does not forget user programs should the batteries die. Review of Honeywell … Continue reading Review of Honeywell RTH8580WF WiFi Thermostat