Honeywell rth9585wf Thermostat Review

Honeywell is a well-known producer of HVAC systems, including thermostats. Thermostats allow you to control the temperatures within your homes according to your preference. This ensures that you are comfortable at all times, whether you live in a place that is too hot or too cold. Honeywell thermostats are usually easy to use and highly advanced in terms of technology.

Honeywell RTH9585WF thermostat is one of the best among the Honeywell thermostats. It is a smart thermostat and this means that it can do way more than one an ordinary digital thermostat can do.

One of the things we like about this thermostat is the fact that it can learn your schedule in a week’s time after installing it and adjust to them accordingly. This article reviews this thermostat to give you in-depth information about it.

Honeywell RTH9585WF Thermostat

What is in the box?honeywell rth9585wf thermostat review

When you open the box that packages the thermostat, you will find the thermostat itself and it is rectangular in shape. Its dimensions are; 4.5 inches wide, 3.5 inches length and 0.8 inches depth. Also, you will find a manual to guide you on how to use and install it together with an installation kit and a wall plate.


Communication Protocol Google Home, IFTTT, Logitech Harmony, Samsung SmartThings, Wink
Virtual Assistant Support

Amazon Alexa, Google Assistant, Microsoft Cortana

Wire Terminals C, G, K, L, O/B, R, Rc, W, W2 (Aux/E), Y, Y2
Power Source




Backlit Display


Wireless Connectivity


Mobile Operating Systems

iOS, Android






4.5 *3.5 * 0.8 inches

Energy saving



Push notifications, emails


1 year

Display options

Weather, temperature, time, color

  • It is able to support a wide range of smart technology
  • Has the energy star certification
  • Energy-saving preset whereby it can adjust the energy usage depending on the pricing.
  • Comes with an application that is easy to use.
  • You can easily change the screen background color and text when you want.
  • Smart response technology feature that enables it to learn your heating and cooling schedules.
  •       You cannot install it if there is no C wire.

Best for: If you have a limited budget and need a smart thermostat that is easy to use and saves on energy costs as well.


  • Compatibility

Just like any other Honeywell thermostat, this too is compatible with most smart devices including; Apple devices, Android, Google Home and Voice commands such as Alexa and Siri. The only condition for the connection to take place is if all the devices are sharing the same Wi-Fi network.

  • 7 Day Programming

It has a 7-day programming feature that permits you to come up with a temperature schedule for the whole week. If there are any changes in regards to the schedule, you will need to update the settings temporarily and then restore the program back to normal as before. This helps to save on energy bills.

  • Smart Response Technology

With this technology, you will no longer apply guesswork when programming your thermostat. Here is how this works; this thermostat will study the temperature schedule (heating and cooling cycle that you prefer) of your home for the first few days and then adapt to it in order to make you comfortable.

Also, it ensures that you receive alerts when it is time to change your filter or incase the temperatures become extreme.

  • Bright LCD Display

It has a full-color screen that you can simply customize if you want it to match with the décor in your home. The bright display showcases current weather forecast, time, date and the temperature and humidity of the outside surroundings.

Even if you are a meter away from the thermostat, you can be able to read the contents on the display. However, its touch screen features a resistive touch technology that needs you to use more energy when pressing the touch screen.

  • Energy Star Certified

It has the Energy Star certification after being tested on its ability to save energy and yes it is able to save on energy. It is able to save about 15-20% of the energy bill in a single year.

  • Touch-screen locks

The touch screen lock is mostly for security purposes. If you do not want your kids to have access to your thermostat and change the settings, you can simply lock the touch screen.

There are three options; fully locked, partially locked and unlocked. Choose the one that is suitable for you. It also gives you a 30 second window to allow you to clean off unwanted fingerprints from the screen without tampering with the settings.

  • Total Connect Comfort App

You can easily and remotely control this thermostat using this powerful application from wherever you are. It allows you to do things like; Monitor heating and cooling usage, adjust cooling and heating according to preference, you can receive email alerts that relate to energy use, safety and comfort levels.

The other advantage of this app is the fact that it is free, you do not need to pay so as to access it. Also, it works with other smart devices apart from this thermostat.

Additionally, the app will allow you to initiate other multiple users and even add any other thermostats when you feel the need to. You can restrict the multiple users using a PIN or you can come up with specific user accounts for easy control.


Installing this thermostat in your home will not even take more than 30 minutes of your time. It works with most HVAC units. Nonetheless, you should note that you need a C wire (common wire) for the thermostat to function.

If you have the wire you are good to go. In the case that you do not have one, find an alternative solution on the manual or if not, the internet. To be safe, just contact an electrician to help you.

Factors to consider when shopping for a Honeywell RTH9585WF ThermostatFactors to consider when shopping for a Honeywell RTH9585WF Thermostat

Before you finally decide on buying a thermostat from a store, there are few factors that you need to consider to make your shopping easier;

  • Display

A good thermostat needs a large and bright display because this is where you find most of the information relating to the thermostat. It should also have great resolution and should be easy to read within a 1 meter range.

  • Application

Choose a thermostat that is compatible with an app. This means you can use the app to remotely control this thermostat. The app should also be supporting the device you are using, be it Android, IOs or a computer.

  • Design

Get you a thermostat that has a simple design that is user friendly. A thermostat that learns your weekly schedule and can adjust to it accordingly is the best option. If you prefer a rather manual thermostat which you can set and adjust the temperature on your own, then get one that is not complicated to use.

  • Energy saving

Thermostats that ensure you save on your energy costs are the best investment especially those that have an Energy Star Certification.


The Honeywell RTH9585WF is among the best thermostats by Honeywell and is becoming popular each single day. It has outstanding features that make sure you enjoy the maximum comfort you need in your home in terms of temperature. Installation and setup are a walk in the park for this thermostat. However they neither have motion sensors nor Geofencing but they still perform like you require them to.

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