How to Change Time and Day on Honeywell Thermostat

.You can manually set the time and day on the Honeywell thermostat. But only when the it has no internet connection. However when it does, it gets the time and day online.  But without WiFi, you can.  Thus, this piece details how to change time and day on Honeywell RTH9580WF thermostat manually when internet is … Continue reading How to Change Time and Day on Honeywell Thermostat



How to Set Temperature Range on Honeywell Thermostat

Shows how to set temperature range on Honeywell Thermostat. So why would you wish to do that? Perhaps you are a landlord wishing to control heating and fuel costs. Or, you need to keep your kids from setting the temperature too high or low. Or, you want to save on HVAC wear and tear. Thus … Continue reading How to Set Temperature Range on Honeywell Thermostat



How to Set Honeywell Thermostat Temperature Limits

The common Honeywell thermostat offers several ways (at least) to cut your heating and cooling costs.  Firstly, on the our test model here, you can set these temp limits.  So this allows control of just how warm and cool the t-stat will make the home. Thus in this post, we detail how to set Honeywell … Continue reading How to Set Honeywell Thermostat Temperature Limits



Honeywell Thermostat Not Turning On Heat

A Honeywell thermostat not turning on heat can happen for many reasons. A faulty thermostat, a broken heating system, power losses, damaged wiring, et al. Here, we list some of these causes, and offer repair tips to solve these no-heat issues. First, we look at what might have happened with the Honeywell thermostat itself. Then … Continue reading Honeywell Thermostat Not Turning On Heat



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



Setting Honeywell Thermostat Swing on RTH8580WF

Temperature swing, is the difference between the turn-on and turn-off temps on a thermostat, whether heating or cooling. The swing setting, when the t-stat has it, often ranges between one and three degrees. This post discusses setting Honeywell thermostat swing on the RTH8580WF smart WiFi thermostat. Setting Honeywell Thermostat Swing: Intro Many modern t-stats have … Continue reading Setting Honeywell Thermostat Swing on RTH8580WF



How to Set Permanent Hold on Honeywell Thermostat

Here, we cover how to set permanent hold on a typical Honeywell thermostat.  Now the permanent hold feature lets the user override scheduled temperature settings for an indefinite period.  In permanent hold, you set the temperature manually.  Then that setting remains in effect until you release the hold.  On the other hand, when a thermostat … Continue reading How to Set Permanent Hold on Honeywell Thermostat



How to Wire a Honeywell Thermostat with 4 Wires

If you’ve installed more than a few thermostats, you’re likely to have come across many that have four wires. Typical 4 wire thermostat (t-stat) wiring examples follow. Some have the common (C) wire, while others do not.  Both examples of how to wire a Honeywell thermostat with 4 wires we describe next. How to Wire … Continue reading How to Wire a Honeywell Thermostat with 4 Wires



Honeywell Thermostat Wiring Color Code

With so many new functions on today’s modern thermostats (t-stats), there is of course, many more wires to connect up. Gone are the two-wire days. Thus we need some soft of color code on the wires to keep all the functions straight. So here, we show examples of the Honeywell thermostat wiring color code for … Continue reading Honeywell Thermostat Wiring Color Code



Honeywell Thermostat Says Heat On But No Heat

You might see your Honeywell thermostat that says that the heat is on, and yet you get no heat. This can happen for many reasons. A broken thermostat, incorrect wiring, tripped circuit breakers, blown fuses, or a broken HVAC system could cause this. Here, we describe some of these causes, and then offer troubleshooting techniques … Continue reading Honeywell Thermostat Says Heat On But No Heat