The most “meaty” part of installing a new Honeywell smart thermostat, is correctly wiring it up. One useful feature about Honeywell t-stats, is that they generally use the same wire labeling as their older models. Today’s WiFi t-stats still use the R, Rx, C, W, Y1, Y2, et al wires in the same way. Their … Continue reading Honeywell Smart Thermostat Wiring Instructions