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  • Wi-Fi enabled thermostat allows for remote access via computer, smartphone or tablet.
  • Universal compatibility - Works with virtually any system type.
  • Free app for Apple and Android operating systems.
  • 7-Day programmable thermostat with option to select
    multiple days.
  • 4 programmable periods per day allows the user to customize programming to their unique schedule.
  • Pre-programmed with energy saving schedule.
  • Allows you to control the system and fan.
  • Auto change from heating to cooling.
  • Alerts - Filter change reminder, high/low temp and internet connection loss.
  • Smart Response Technology - Continually learns to pre-heat/cool your home so you are comfortable at your pre-programmed times.
  • Multiple hold options - Fixed temporary hold, adjustable, temporary hold, permanent hold and vacation hold.
  • Real time clock - keeps the time during a power failure and
    automatically updates the time for daylight savings (optional).
  • Multiple display options - degrees C or F and 12 or 24 hour clock.
  • View local weather and 5-day forecast.
  • Automatically downloads software updates.
  • Online and toll-free support available.
  • An active internet connection and a wireless router is needed to setup this device.
  • Wireless App allows you to manage an unlimited number of Honeywell Wi-Fi Thermostats
  • Requires the usage of a C Wire to operate

Remotely view and control the temperature of your home with a Wi-Fi programmable thermostat. The Honeywell RET97E5D1005/U Wi-Fi Thermostat can be remote accessed via a computer, smartphone or tablet. With 7 day programming, each with its own 4 program periods, you can maximize your comfort and minimize your energy usage by creating presets focused around your schedule. Intelligent alerts can notify you of unusual temperatures, when your filter needs to be changed, loss of Wi-Fi, and even let you know when to adjust your settings based on local weather. Remotely view and control the temperature of your home with the multi-functional RET97E5D Honeywell wifi thermostat.

C wire is required and is the power source. Without a C wire, The Honeywell Wi-Fi 7-Day Programmable Thermostat will not power up.

In order to power a Honeywell Wi-Fi thermostat, your system must contain a c-wire. Use the steps below to confirm that your system meets the compatibility requirements. This decision tree will determine compatibility with most systems, but as wiring systems vary from home to home, there may be some exceptions.

1.Does your current thermostat have 110V or higher written on it?
  • Yes - Your current system is not compatibile.
  • No - Move to question 2.

2. Do you have thick wires that are connected using wire nuts?
  • Yes - Your current system is not compatibile.
  • No - Move to question 3.

3. Do you have a wire connected to terminal labeled "C"?
  • Yes - Congratualtions your system is compatible with this thermostat!
  • No - Move to question 4.

4. Do you have an extra wire that is not connected to any terminal on the thermostat wall plate?
5. Do you have a wire connected to terminal labeled "G"?
Product Details
Single Stage Heating and Cooling Yes
Multistage Heating and Cooling Yes
Heating Only Yes
Cooling Only Yes
Furnace (Warm Air) Yes
Central Air Conditioning Yes
Heat Pump without Auxiliary Heat Yes
Heat Pump with Auxiliary Heat Yes
Hot Water Yes
Steam or Gravity Yes
750 Millivolt No
Gas Fireplaces (24 Volts) Yes
Electric Baseboard Heat (120-240 volts)No
Product Specs
Honeywell RET97E5D1005/U Wi-Fi 7-Day Programmable Thermostat Video

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RET97E5D1005/U customer reviews

Overall Rating

13 Reviews
12 customers recommend this product
Honeywell RET97E5D1005/U Wi-Fi 7-Day Programmable Thermostat Reviews
Richard Voorhees
May 5, 2016
Verified Purchase
Easy to install and program

I ordered 2 of these thermostats for our new house. They were easy to install, with one exception: these thermostats require a C connection, and the old thermostat I was replacing didn't have a C connection. Luckily, I was able to figure out which of the unused wires in the wall was the C connection. Once I got past that issue, connecting the new thermostats to the Internet and programming them was a piece of cake.

Robert Huntoon
March 11, 2016
Verified Purchase
Excellent value

Great replacement thermostat. Easy to install and set up wifi link. Allows me control heating on vacation home.

Scott Thompson
January 20, 2016
Verified Purchase

This thermostat was just as advertised. The wiring on my old thermostat was a little different and I just watched a short video on how to make it work with the new one and it was a piece of cake to install myself.

Scott Gregory
January 5, 2016
Verified Purchase
Great Wireless Thermostat

A++ for all of the requirements needed. Easy to use and program.

Thomas Devine
December 28, 2015
Verified Purchase

These thermostats are fantastic. I maintain 2 residences and have had problems with heating systems before. Now I can monitor and control the temperature at both, no matter where I am in the world. Amazing!

Ken Wells
December 13, 2015
Verified Purchase

Our home is now very comfortable. So easy to set desire temp 24, hours a day. Great product!

Lee Johnson
September 28, 2015
Verified Purchase
A good Wi-Fi Thermostat

This unit is easy to install, program, and connect to with mobile devices. The Wi-Fi capability was lost for about 12 hours in the first week after installing it due to Honeywell working on a server but it has worked well since then.

Scott Gregory
September 16, 2015
Verified Purchase
Great Wireless Thermostat

Great Thermostat! Easy to install and easy to program. The Wireless App is tremendous. I give it an A+++++

Geary Bish
April 6, 2015
Verified Purchase
Perfect Choice

The Honeywell RET97E5D1005/U Wi-Fi was the perfect choice for me. I purchased and installed three in a church on different type heating and cooling systems and they all worked great. The Wi-Fi setup was very easy. Remote operation allows you to operate and program the stat with ease.

November 20, 2014

Works great, easy to install. I just installed this stat tonight. It took about 5 minutes to update the software, After that it was up and running. I like the ability to program it on the computer where the complete schedule is right in front of you and easy to view and make changes.

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