In this post, we give the calibrate Honeywell thermostat temperature on the RTH9580WF model. Now why would you wish to calibrate the temp reading on a thermostat (t-stat)? Well, perhaps your Honeywell t-stat reads warmer or cooler than the room feels. So you’d like to bring the t-stat temp reading more inline with how it … Continue reading Calibrate Honeywell Thermostat Temperature RTH9580WF