Honeywell RTH9585WF Wi-Fi Smart Thermostat Review

Maintaining control over indoor temperatures is mandatory for every home, and this can only be possible to fulfill with a decent thermostat. However, if you are looking for a simple and powerful, yet budget-friendly thermostat, then the Honeywell RTH9585WF Wi-Fi Smart thermostat can be your perfect choice. In addition to being able to control your heating and cooling systems seamlessly, it’s easy to install and allow you to create your own 7 day temperature schedule!

The Honeywell Smart Wi-Fi RTH9585WF isn’t as small as the Nest Learning thermostat, and it doesn’t come with room sensors like the Ecobee thermostats. Hence, it offers great value at its price. It has a large full-color touch enable display screen (You can change display color as of your choice) and can be controlled remotely via the Honeywell Android, iOS, or Web app.

#Honeywell RTH9585WF Smart WiFi Thermostat

Key Features

  • Compatible with Amazon Alexa, Google Home, IFTTT, Samsung SmartThing.
  • Automatically updates for daylight savings; regulates for 12/24 hour.
  • Full-color customizable touchscreen display with easy to read numbers and text. Display indoor and outdoor relative humidity levels including local weather.
  • Programming options are flexible based on the schedule of your home and small office, or on your utility.
  • Sends intelligent alerts like Hi/Lo temperature warnings, humidifier pad replacement reminders, air filter change reminders, or loss of internet connection.
  • Energy Star certified
  • 1 year warranty

Impressive Design

The Honeywell RTH9585WF smart thermostat comes in a sleek and compact design that will not detract your home decor. While it’s doesn’t look as great as Ecobee 4, but if you value the functionality over the design, it will be the best choice.

The home screen of this device will show you the time and date, as well as the temperature and humidity readings of your home and outdoors. Adjusting the settings is easy because all you need to do is tap the arrows on the screen.

One impressive feature of the Honeywell RTH9585WF’s design is the large programmable color touch screen, which you can customize to match your home’s interior décor. This is one of its many selling points. Also, the display background color changing option makes it easy to select a perfect background as well as allows you to read temperature readings from a distance easily. However, to change the background color, you can either use the device’s color scheme or create your own scheme from its custom menu.

Weather forecast

Weather forecast is the feature that you will enjoy when you get the Honeywell RTH9585WF Smart 7-day programmable thermostat for your home. With an external wired sensor, this thermostat reports the outdoor weather conditions at all times, and it can be beneficial. By knowing the outdoor weather conditions, you will be able to set your indoor temperatures at the right level, so that your energy costs can be reduced.

This feature also helps you plan what you should wear when going out. For instance, you may not like wearing heavy clothes after being forecasted that the day will be too hot. Similarly, you may not wear light dresses when the weather forecast tells you that the day will be very cold or it’s likely to rain. However, in addition to providing outdoor weather forecasts, the Honeywell RTH9585WF is also able to inform your home indoor and outdoor humidity levels. It’s quite helpful when you are planning your day.

Great performance

In the case of smart thermostats, you’d expect that it will automatically adjust the temperature based on your settings. Hence, the Honeywell RTH9585W Wi-Fi Smart 7-Day Temperature does just that.

It has been designed with smart-response technology for precise temperature control. It adjusts your home temperature based on your heating and cooling cycle. Also, its scheduling mechanism works perfectly without any hiccups.

When compared to other types of thermostats, the Honeywell thermostat is more efficient and intuitive. Also, it will help you to money as your energy consumption will not be high. However, Its performance is not that great when it comes to reading the outdoor temperatures. But considering the features that aren’t offered by other thermostats, it doesn’t dissuade you from getting this thermostat in need of your internal temperature control.

Pros & Cons


  • Flexible programming options
  • Customizable touchscreen display
  • Easy to use and intuitively save energy costs
  • Budget-friendly
  • Compatible with Amazon Alexa, Samsung SmartThings, IFTTT, Google Home
  • Easy to install


  • Requires C-wire to power up
  • Lack of motion sensor

Final Thought

The Honeywell RTH9585WF Smart Wi-Fi thermostat checks most of the boxes when it comes to indoor temperature regulation, and we recommend it to anyone willing to spend slightly over $100 on a thermostat. After all, It automatically adjusts the temperature in your home or business based on predefined preferences, providing an automated central place to manage your heating and cooling systems with little effort. The only drawback that you will need a C-wire to power it up. Other than that, this thermostat is a great addition to your home or business.


01. How is the Honeywell RTH9585WF wiring diagram?

The Honeywell thermostat has been wired just like other thermostats. You will require a common or C-wire to powering this device. But still, you can power it without C-wire, but you need to be creative with your connection. Though the company doesn’t warn buyers about this issue in advance and this can cause a lot of frustration. Therefore, our recommendation is to contact a professional if you have any confusion as it will serve you for a long time. Otherwise, the warranty can be void.

02. How is the Honeywell RTH9585WF installation?

Installing the Honeywell RTH9585WF is straightforward, and this is what you need to do to install it. Attach the base plate of the thermostat to the wall and connect the wires to their ports. If you have a C-wire, connect it to the thermostat to power it up.

03. How to lock the Honeywell RTH9585WF thermostat?

To lock this thermostat, all you have to do is to tap the menu option on the home screen and navigate to the security settings. From the security settings, click on the “Change Lock Mode” and tap the “Fully Locked” button.

04. How to set time on the Honeywell RTH9585WF?

To set time on the Honeywell thermostat, tap the time/date button, and click “set time”. Use the arrows to adjust the time and click the “Done” button to finish the process.

05. Honeywell RTH9585WF or Nest Learning thermostat, which one is the best?

Nest thermostats do not require a C- wire to power them and this makes it easy to install them. Also, the Nest Learning Thermostat comes with a 2-year warranty while the warranty for Honeywell RTH9585WF Wi-Fi thermostat is only one year.

06. What is the difference between Honeywell RTH9585WF AND RTH9580WF?

Honeywell RTH9585WF is an updated version of the RTH9580WF. It comes with more features and at a lower cost, providing real value for money.