TH8321WF1001 Honeywell Wi-Fi VisionPRO 8000 Programmable, 3H/2C, Touchscreen Thermostat (Needs "C" wire)

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Honeywell TH8321WF1001 Wi-Fi VisionPRO, will bring you comfort, convenience and connectivity. Using an existing Wi-Fi network plus Honeywell’s free Total Connect Comfort services, the Wi-Fi VisionPRO allows you to remotely control your comfort settings and manage your energy costs - with ease. Wi-Fi VisionPRO 8000 is Programmable, 3H/2C, Touchscreen Thermostat.

Note that this thermostat requires a "C" wire at the location where it is going to be installed.  If you do not have a "C" wire, a potential solution could be to use the THP9045A1023 Wire Saver Module.


  • Residential or commercial use.
  • 3H/2C heat pump or up to 2H/2C conventional
  • Remote comfort control via computer, tablet or smartphone
  • 7-Day Multiple Day Programming or Non-Programmable
  • Programmable for annual energy savings
  • Intuitive programming for easier setup. Single-screen scheduling process is faster and more user-friendly.
  • Universal application across more system types - Residential or commercial, the Wi-Fi VisionPRO 8000 works on systems up to 3H/2C heat pump and 2H/2C conventional - including dual fuel.
  • Equipment check/change reminders - Lets homeowners know when it’s time to change the filter, humidifier pad and UV bulb
  • IAQ Control - Indoor humidification, dehumidification or ventilation control without requiring an outdoor air sensor.
  • Built-in Ventilation Controller - Lockouts for temperature and humidity prevent pulling in hot or humid air. No extra ventilation controller or remote sensor needed.
  • ENERGY STAR Unique ID 2344252


About the Honeywell TH8321WF1001

The Honeywell TH8321WF1001 is a Wi-Fi enabled thermostat that offers a range of features to help you save money on your heating and cooling costs. Here are some tips on how to use the TH8321WF1001 to save money:

Program your thermostat: The TH8321WF1001 allows you to program a schedule for your heating and cooling system, so you can set it to automatically adjust the temperature when you are away from home or sleeping. By using this feature, you can avoid wasting energy and save money on your utility bills.

Use the energy-saving features: The TH8321WF1001 has several energy-saving features, including a "fan circulation" mode that circulates air throughout your home without turning on the heating or cooling system. You can also use the "vacation" mode to reduce energy consumption while you're away from home.

Monitor and adjust temperature remotely: The TH8321WF1001 is Wi-Fi enabled, allowing you to monitor and adjust the temperature in your home remotely using a smartphone app. This feature is especially useful if you forget to adjust the temperature before leaving the house or if you want to adjust the temperature while you're away.

Consider a zoned heating and cooling system: The TH8321WF1001 is compatible with Honeywell's wireless zoning system, which allows you to divide your home into zones and control the temperature in each zone independently. This can help you save money by only heating or cooling the areas of your home that you're using.

By using these tips, you can take advantage of the features of the Honeywell TH8321WF1001 thermostat to save money on your heating and cooling costs.


More about WIFI Thermostats

A WiFi thermostat is a device that allows you to remotely control the temperature in your home or business using a smartphone or computer. By being able to set the temperature remotely, you can save money on your energy bills by reducing the amount of time that your heating or cooling system is running.

One way to save money with a WiFi thermostat is to set the temperature lower or higher when you are not at home or when you are sleeping. For example, you could set the temperature to be a few degrees cooler when you are not at home, and then set it to return to a comfortable temperature just before you arrive back. This way, you are not heating or cooling an empty space, which can save you a significant amount of money on your energy bills.

Another way to save money with a WiFi thermostat is to use its scheduling and programming features to automatically adjust the temperature based on the time of day and your daily routine. For example, you could set the temperature to be cooler during the day when you are at work, and then set it to be warmer in the evening when you are at home.

Overall, using a WiFi thermostat can help you save money on your energy bills by allowing you to more efficiently control the temperature in your home or business.

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Warranty Information

Seller Warranty for 1 Year.

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10 Reviews

  • 5

    Ok, if you know what you are doing and you want maximum flexibility to accommodate advanced strategies of ventilation, dual fuel/geothermal heat pump lockouts (balance point), multiple stages, economizer tie-in, humidification/dehumidification, light commercial occupancy overrides and pre purge, etc. etc., recovery ramps on schedules plus internet control and you don't care if it's pretty and changes colors, this is the one!!!

  • 5
    Great Service and Product

    This thermostat was just the right one I needed. The team was great in providing me information on shipping and it arrived very shortly. I will be buying more from Acr4sale.

  • 5
    like the screen

    Would you send me via email ( the operating instructions. I have lived in this house for 11 months and would like to know more about the control box Thank you

  • 5
    Solid Thermostat

    The Th8321WF1001 was used in a property I own and when I remodeled my new property, I wanted to upgrade the thermostat as well. The main feature, remote “control” has helped maintain a consistent energy bill. It is also easy to use, which is a plus for locking down the thermostat or enabling other features. I would recommend this device to anyone with a current Honeywell device that’s looking to upgrade without breaking the bank.

  • 5
    you can make it do anything you need or want if you know what you need or want

    Ok, it's not the prettiest but it's definitely the most versatile out there for this price if you need true versatility. And I'm not talking of "fluff" like changing the color of the screen or being able to install it vertically or horizontally, I am talking of true HVAC functions. For instance how many thermostats out there at this price range let you pick percent on time or Ashrae 62.2 compliance for ventilation? And once you pick one of those, how many allow you to lockout ventilation when outside conditions are not acceptable? When it makes too much noise during sleep hours? and so forth. There are literally scores of options to adapt this to your system and you needs. Not for the clueless (although who needs to be clueless if you can instruct yourself with the manual and youtube?) . Just one word of warning: the REAL installation manual (which shows all the options) is not included. Search online for 33-00096 document and have fun!

  • 5
    East to Install, Convenient to Use

    This is a current top-of-the-line standard WiFi 7-day programmable thermostat. Honeywell makes it easy to install with installation videos on YouTube.It is easy to setup by just following the installation manual which comes with the thermostat.You can manage it (initial program and changes) online or through a smartphone app. You can set alerts for a variety of different conditions. No extra batteries are required. It gets 24v power from proper wiring.

  • 4
    Wi Fi Feature is great. Didn't think I would use it.

    The second one I ordered worked fine. I was impressed with the speed of the credit for the first one which was defective. The day I shipped it back I got the credit.

  • 5
    Worth the cost

    I bought this to replace and existing Honeywell thermostat. It allows me to remotely from my iPhone adjust the temperature so when I arrive home late, the house is already at the right temperature. App is easy to use Great easy to read display

  • 5
    Excellent thermostat

    I bought this thermostat because it is one of the few that will connect the outside sensor in order to control when your heat pump should turn off and let the gas furnace take over. I also like the convenience of wi-fi so I can keep any eye on things. The display is bright and clear and the text is easily read.

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