In this video, we show you How to Install Smart WiFi Thermostats like the Honeywell RTH9585WF, including wiring, setup, and usage.

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⏱ Table of Contents Honeywell Smart WiFi Thermostat (Click on timestamps jump to chapter) ⏱
0:00 Introduction to Honeywell Thermostat
2:07 Warning for owners missing 5th "C" wire
4:42 Main features of Honeywell RTH9585WF thermostat
6:00 Unboxing Honeywell thermostat, what's inside the box
7:05 Alternate instructions for the "C" Wire
7:50 Installing Honeywell Smart WiFi Thermostat, wiring instructions
13:30 Initial thermostat power-up, on-screen menus, Wi-Fi, setup
16:14 Testing MyTotalConnectComfort App on iPad
16:55 Stepping through menus on Honeywell RTH9585WF thermostat

This Honeywell thermostat rth9585wf is 7 Day Programmable, and it has a Touch Screen, Energy Star, Alexa Ready. You can control it from apps on your Apple iPad or even on android devices. I control it from my Samsung Galaxy, my wife controls it from her Galaxy and from the iPad.

Honeywell thermostat install

As part of the Honeywell thermostat installation, we first had to perform the Honeywell smart thermostat removal of the older unit that had a cracked display from falling off the wall. The Honeywell thermostat wiring was pretty simple since you just label the wires you remove off the older Honeywell thermostat, and wire them in the same spot when you install the new Honeywell thermostat

Honeywell wifi thermostat no c wire for rth9585wf

The Honeywell wifi setup is simple, but if your AC system is a 4-wire instead of a 5-wire have no C wire, then you're in trouble and have to do some wiring tricks because you need that 24 VAC on the C wire from the air conditioner to power your new Honeywell smart thermostat rth9585wf. Remember this Honeywell smart color thermostat is not battery-powered, it requires power directly from the air conditioner unit.

The menus on this are self-explanatory and easy to follow and navigate. Consider this thermostat installation video to also be your Honeywell WiFi thermostat instructions, in particular, the wiring instructions for this smart wifi thermostat. Hopefully, this how-to installation video makes your Honeywell thermostat wifi installation go smoothly.
rth9585wf1004

What to do if you get a Honeywell wifi thermostat without c wire

With any smart thermostat with no C Wire, you still have to give it 24 V to power the smart thermostat. In my Honeywell rth9585 installation, I stole the green "G" wire from the G terminal and used it as the C wire on the C terminal to power this smart thermostat with 24 VAC. This means however that I can't have the function where I just run the blower by itself with no AC or Heat, like the vent function in your car. No big deal, we only use our central air conditioning unit in AC mode or in Heat mode. So the blower comes on automatically when your Honeywell Smart Thermostat tells the AC or heat to turn on.