Honeywell RTH9580WF Smart Thermostat Review

The Honeywell RTH9580WF smart thermostat represents a clear advance from the RTH8580WF model, reviewed earlier.  On this model, they improved the screen from the green color so common with older thermostats with black lettering.  In this model, it’s now a full-color, brighter, higher contrast, LCD display. Honeywell RTH9580WF Smart Thermostat Introduction The Full Color Touchscreen … Continue reading Honeywell RTH9580WF Smart Thermostat Review



Reconnecting Honeywell Thermostat RTH9580WF

You might need to reconnect your Honeywell RTH9580WF smart thermostat (t-stat) to the internet, by changing a new WiFi network. Perhaps you moved the t-stat, and the WiFi it worked with before went out of range. So in this post, we cover reconnecting Honeywell Thermostat RTH9580WF to WiFi network, and offer how-to, step-by-step instructions to … Continue reading Reconnecting Honeywell Thermostat RTH9580WF



Setting Temperature Differential on Honeywell RTH9580WF Thermostat

Temperature differential is the difference between the turn-on and turn-off temperatures on a thermostat, whether heating or cooling. It ranges between one and three degrees on common t-stats. Indeed, many of today’s t-stats let you set this value. They offer this to account for differing home types and locales, types of furnaces. In this piece, … Continue reading Setting Temperature Differential on Honeywell RTH9580WF Thermostat



How to Lock and Unlock a Honeywell Thermostat

Some models of the Honeywell smart thermostats including the RTH9580WF discussed in this post, feature a screen lock mode, that prevents anyone from changing thermostat settings without first entering a pass code.  You create this pass code iwhen you request to lock your thermostat.  Subsequently, the t-stat asks you to enter this password to regain … Continue reading How to Lock and Unlock a Honeywell Thermostat



Unregister Honeywell Thermostat RTH9580WF

Perhaps you are moving but leaving your Honeywell smart thermostat at the old location.  Or, you wish to sell it to someone else at a different location.  Or maybe they have a different TCC account to assign the t-stat to.  But in any case, please run through the unregister Honeywell WiFi Thermostat RTH9580WF process.  Do … Continue reading Unregister Honeywell Thermostat RTH9580WF



Change Wireless Network on Honeywell WiFi Thermostat RTH8580WF

Here, we cover how to change wireless network on Honeywell WiFi thermostat RTH8580WF model. You may need to change this Honeywell smart thermostat to a different wireless network than the one set up on it at installation.  Perhaps you changed the name of your home WiFi network. Or you want to connect the thermostat to … Continue reading Change Wireless Network on Honeywell WiFi Thermostat RTH8580WF



Change WiFi Network on Honeywell RTH9580WF T-Stat

You might need to connect your Honeywell RTH9580WF smart thermostat (t-stat) to a new WiFi network.  Perhaps you moved the t-stat, and  the WiFi it worked with before went out of range.  So in this post, we cover just how you do that, how to change WiFi network on Honeywell thermostat RTH9580WF. Then maybe, you have … Continue reading Change WiFi Network on Honeywell RTH9580WF T-Stat



How to Reset Honeywell Thermostat RTH9580WF

This post covers How to reset Honeywell thermostat RTH9580WF. This method does the following.  First of all, it clears out all custom settings.  Then, it resets the WiFi network. Last, it restores RTH9580WF back to factory default state.  So, follow the steps below, to hard reset this remote controlled thermostat. We suggest this routine when … Continue reading How to Reset Honeywell Thermostat RTH9580WF



How to Reset WiFi on Honeywell Thermostat

This post gives reset WiFi instructions for a typical Honeywell thermostat. For most t-stats, the best way to reset the WiFi settings on them is to just do a factory default reset, and so, that’s what we’ll do here.  We demonstrate this on the RTH9580WF wireless Honeywell thermostat. This method does the following. First of … Continue reading How to Reset WiFi on Honeywell Thermostat