---
product_id: 112759137
title: "T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist"
brand: "honeywell home"
price: "£168.54"
currency: GBP
in_stock: true
reviews_count: 11
category: "Honeywell Home"
url: https://www.desertcart.co.uk/products/112759137-t9-wifi-smart-thermostat-smart-room-sensor-ready-touchscreen-display
store_origin: GB
region: United Kingdom
---

# Energy Star certified for efficient savings Wi-Fi enabled for seamless remote control Smart Room Sensor ready for multi-room comfort T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist

**Brand:** honeywell home
**Price:** £168.54
**Availability:** ✅ In Stock

## Summary

> 🌍 Stay smart, save energy, and never come home to the wrong temperature again!

## Quick Answers

- **What is this?** T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist by honeywell home
- **How much does it cost?** £168.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/112759137-t9-wifi-smart-thermostat-smart-room-sensor-ready-touchscreen-display)

## Best For

- honeywell home enthusiasts

## Why This Product

- Trusted honeywell home brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Setup:** Easy DIY installation with included power adapter and auto HVAC system detection.
- • **Total Comfort Control:** Smart Room Sensors let you target the exact rooms that matter—no more guessing.
- • **Adaptive Energy Savings:** Monthly Energy Reports + utility rewards keep your bills low and your home green.
- • **Effortless Remote Access:** Control your thermostat from anywhere with the intuitive Resideo app and voice assistants.
- • **Smart Alerts & Automation:** Auto Home/Away modes and filter alerts keep your system optimized without lifting a finger.

## Overview

The Honeywell Home T9 Wi-Fi Smart Thermostat combines intuitive touchscreen controls with smart room sensor compatibility to deliver personalized comfort and energy savings. Featuring adaptive scheduling, geofencing, and seamless integration with Alexa and Google Assistant, it empowers you to manage your home's climate from anywhere. Energy Star certified and designed for easy installation, the T9 is perfect for professionals seeking efficient, connected home comfort.

## Description

Smart Thermostat. Auto change from heat to cool.

Review: Works great with the app and supports remote sensors - If you have never used a thermostat with remote sensors, you really don’t know what you are missing. It is great being able to place sensors inside of rooms instead of having to hope that your hallway is the right temperature. That really only leaves two choices of thermostats, the Honeywell T9/T10 or Ecobee. We recently moved into a brand new house with two separate HVAC systems, one for the main level and basement, one for the top floor with the bedrooms. The builder pre-installed Honeywell T6 thermostats, which left a lot to be desired. They worked well with the Ring system that came with the house, but that control is limited to the mode and temperature. You either need to use the touchscreen on the thermostat or the app to make the most of it. Due to the way the T6 was installed in contractor mode, I could not get them to connect to the Resideo app. The T6 also does not support remote thermostats, which really is a game changer. There are a couple of differences with the T6 compared to T9. T6 has battery backup (I don’t really care as long as it doesn’t lose its programming). T6 connects to Z-Wave, which makes using it with a security system easier (plus Ring only supports two thermostats if they are connected to Z-Wave). Both connect to wifi and both should work with the Resideo app, but I could not get the T6 into the right mode to set it up. T9 has remote thermostats, T6 does not. I wanted more control so I decided to upgrade to the T9. The best part is that it was literally plug and play. I removed the T6 and plugged the T9 into the same wall adapter. I was able to immediately connect it to the Resideo app, which is really what I wanted. The Resideo app is actually not bad, it gives me full control over both thermostats. We have purchased additional remote sensors and have two for each thermostat, I really like being able to place them in bedrooms since we usually have our doors closed. I work from home and have one sensor in my office, one in our living room. I did find that occupancy detection doesn’t work as well as I had hoped because I use a space heater in hopes of saving money and that means the office is warmer than the rest of the house. In the summer and on weekends it works a lot better. With the Resideo app you can easily tweak the settings from anywhere and you can program each day individually. If days match it groups them, but they don’t have an easy way to remove customization for a day. That is nice because I try to go into the office one day a week. I wish I could program heating vs. cooling different for things like the fan because in the winter I want it set to circulate upstairs, in the summer I want the fan off on the top level during the day so I’m not moving the hot air around as much (those vents are in the ceiling), in the winter I want more air circulation. In my previous house we had installed an Ecobee 3, the first model with Apple HomeKit support (which we never used). The Honeywell T9 is competitive with the Ecobee in most of the features you will actually use, but that Ecobee had a couple of features the T9 does not. First, Ecobee supports accessories, for example, you could use it to control a whole house humidifier (I wanted one but never bought one). T9 doesn’t do that. Second, Ecobee can use occupancy to control whether your house is in home or away mode, which would be useful for our top level since nobody is in the bedrooms during the day. T9 uses geofencing, which has a lot of disadvantages in comparison (everybody needs it on your phone, cannot distinguish between home and on that level). Newer Ecobee models add even more sensors and even Alexa. Ecobee also lets you tweak how often the fan runs, Honeywell just has circulate, which runs on their schedule. Ecobee also looks more premium than Honeywell. The T9 is functional but not as modern of a design. Their sensors are large white blocks that really stand out when mounted on a wall. Considering all of the white Ring products I have, it kind of fits in, though. I probably would have chosen Ecobee over T9 if the price was similar, but Ecobee is nearly double the price and their remote sensors are more expensive as well.
Review: What I was looking for - I wanted a thermostat that I could program, not on that was self programming to my schedule (large internet company one). This is it! Works great. I have a heatpump system, and had no problems hooking it up. It has a weekly schedule if you want to set five days easily, or you can do all seven separately. I set mine for weekday and weekends (two schedules). Has four daily slots (rise, leave, home, sleep), but looks like you can add more. I bought two room extenders, and they work great. I have an older house, and the thermostat was in a hallway that was off the main area. The room extenders are great as they were easy to add and let you tell the thermostat what to weigh on heating/cooling decisions. Are you in the living room or your office all day? Set the thermostat to look at that sensor. Your bedroom hot at night? Set the schedule to look at the hall and bedroom when deciding to come on. The main reason I bought this was the auto switch between heat/cool and the fan circulate mode. I hate having to babysit the thermostat on freezing nights and hot days. The Auto switching is great. The auto circulate fan setting is great. It will circulate air about twenty minutes an hour just using the fan to keep the house at a good temperature so it doesn't have hot and cold spots on those times when you are on the edge of the temperature range. I use it for the night. This thermostat is not the most attractive, but I would recommend it. The only issue you may have is that the thermostat always seems to be back lit. Not sure if that is adjustable, but I love it because it acts as a soft light in the middle of the night for guests on the way to the bathroom. Great product.

## Features

- HELP SAVE ENERGY. See your energy use in the Monthly Energy Report, and help save even more with a schedule that adapts to your lifestyle, and by connecting with your utility efficiency program..EFFICIENCY AND REWARDS. Connect your Honeywell Home account with your utility to earn rewards each season for your energy efficiency.Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.
- AUTO HOME AND AWAY MODE. Adjust your thermostat from anywhere with your mobile device, or let your home automatically react to your schedule with geofencing.
- MULTI-ROOM FOCUS. Add Smart Room Sensors to focus the temperature on multiple rooms for comfort where it matters to you. (Sensors sold separately)
- SMART RESPONSE AND ALERTS. Intelligently learns your home’s heating and cooling patterns to deliver the right temperature at the right time, and sends you filter and temperature alerts.
- COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire Required.
- SMARTER, SIMPLER SETUP. Everything you need comes in the box, including a power adapter so that the T9 works in most homes. The T9 intuitively identifies your home’s heating and cooling type, making it easy to do it yourself.
- EFFICIENCY AND REWARDS. Connect your Honeywell Home account with your utility to earn rewards each season for your energy efficiency.
- Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
- Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07N83WK9T |
| Additional Features | Energy Star certified, Wi-Fi enabled, Wireless Smart Sensor ready |
| Backlight | Yes |
| Best Sellers Rank | #23,770 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #31 in Home Programmable Thermostats |
| Brand | Honeywell Home |
| Brand Name | Honeywell Home |
| Color | White |
| Connectivity Protocol | Wi-Fi |
| Connectivity Technology | Wi-Fi |
| Control Method | Voice |
| Control Type | Temperature Control |
| Controller Type | Temperature Control |
| Customer Reviews | 4.4 out of 5 stars 1,830 Reviews |
| Display Type | graphical lcd touchscreen |
| Finish Types | Matte |
| Global Trade Identification Number | 00085267345637 |
| Included Components | Installation guide, Screws and anchors, Thermostat and Mounting Hardware, UWP Wall Plate, Wire labels |
| Item Dimensions D x W x H | 0.94"D x 3.7"W x 4.92"H |
| Item Type Name | Honeywell Home T9 Wi-Fi Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist |
| Item Weight | 7.2 ounces |
| Manufacturer | Honeywell Home |
| Manufacturer Part Number | RCHT9510WF2001 |
| Manufacturer Warranty Description | 2 year limited warranty. |
| Material Type | Plastic |
| Model Name | RCHT9510WFW |
| Model Number | RCHT9510WFW2001 |
| Mounting Type | Wall Mount |
| Number of Batteries | 2 AAA batteries required. |
| Power Source | Electric |
| Product Dimensions | 0.94"D x 3.7"W x 4.92"H |
| Product Style | A. Wi-Fi Thermostat |
| Shape | Rectangular |
| Smart Home Compatibility | Smart Home Compatible |
| Special Feature | Energy Star certified, Wi-Fi enabled, Wireless Smart Sensor ready |
| Specific Uses For Product | Furnace |
| Temperature Control Type | Heating |
| UPC | 085267345637 |
| Unit Count | 1.0 Count |
| Voltage | 240 Volts |

## Product Details

- **Brand:** Honeywell Home
- **Controller Type:** Temperature Control
- **Model Name:** RCHT9510WFW
- **Product Dimensions:** 0.94"D x 3.7"W x 4.92"H
- **Special Feature:** Energy Star certified, Wi-Fi enabled, Wireless Smart Sensor ready

## Images

![T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist - Image 1](https://m.media-amazon.com/images/I/51gkzDpYFpL.jpg)
![T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist - Image 2](https://m.media-amazon.com/images/I/61DwslMBrDL.jpg)
![T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist - Image 3](https://m.media-amazon.com/images/I/51WBOXk7l6L.jpg)
![T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist - Image 4](https://m.media-amazon.com/images/I/71mZvUygZEL.jpg)
![T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist - Image 5](https://m.media-amazon.com/images/I/71-blhuEdGL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: How can this device supply a different temperature in one room versus another? The heating system doesn't send heat to one room and not another.**
A: It doesn't.
What it does is tells you which room temperatures to prioritize for your settings. For example, for my sleep settings I have set my thermostat to prioritize the Master Bedroom sensor. So it will heat/cool based on that sensor, instead of the thermostat sensor which is sitting in the hall and isn't really related to my sleeping comfort at all. You can also prioritize multiple locations. So if I wanted to, I could tie the sensors for all 3 bedrooms to my sleep settings and it would average out the sensor readings for all 3 bedrooms.

**Q: If i don’t care about using an app or alexa, etc does the thermostat need wi-fi to operate with a sensor or do they connect directly?**
A: The Honeywell Home T9 WIFI Smart Thermostat does not require Wi-Fi connection to operate the sensors. Hope this helps! -Joey

**Q: Does it have circulate fan mode?**
A: yes--It has 3 settings for it--Auto, Circulate, and On .

**Q: we chose not to add any extra cycles, we later found 4 cycles were programmed with numbers nobody would've set, so the t9 programs itself.  why?**
A: Cycle Rate and Fan Operation automatically default to the correct settings based on the equipment type selected.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great with the app and supports remote sensors
*by M***R on November 4, 2023*

If you have never used a thermostat with remote sensors, you really don’t know what you are missing. It is great being able to place sensors inside of rooms instead of having to hope that your hallway is the right temperature. That really only leaves two choices of thermostats, the Honeywell T9/T10 or Ecobee. We recently moved into a brand new house with two separate HVAC systems, one for the main level and basement, one for the top floor with the bedrooms. The builder pre-installed Honeywell T6 thermostats, which left a lot to be desired. They worked well with the Ring system that came with the house, but that control is limited to the mode and temperature. You either need to use the touchscreen on the thermostat or the app to make the most of it. Due to the way the T6 was installed in contractor mode, I could not get them to connect to the Resideo app. The T6 also does not support remote thermostats, which really is a game changer. There are a couple of differences with the T6 compared to T9. T6 has battery backup (I don’t really care as long as it doesn’t lose its programming). T6 connects to Z-Wave, which makes using it with a security system easier (plus Ring only supports two thermostats if they are connected to Z-Wave). Both connect to wifi and both should work with the Resideo app, but I could not get the T6 into the right mode to set it up. T9 has remote thermostats, T6 does not. I wanted more control so I decided to upgrade to the T9. The best part is that it was literally plug and play. I removed the T6 and plugged the T9 into the same wall adapter. I was able to immediately connect it to the Resideo app, which is really what I wanted. The Resideo app is actually not bad, it gives me full control over both thermostats. We have purchased additional remote sensors and have two for each thermostat, I really like being able to place them in bedrooms since we usually have our doors closed. I work from home and have one sensor in my office, one in our living room. I did find that occupancy detection doesn’t work as well as I had hoped because I use a space heater in hopes of saving money and that means the office is warmer than the rest of the house. In the summer and on weekends it works a lot better. With the Resideo app you can easily tweak the settings from anywhere and you can program each day individually. If days match it groups them, but they don’t have an easy way to remove customization for a day. That is nice because I try to go into the office one day a week. I wish I could program heating vs. cooling different for things like the fan because in the winter I want it set to circulate upstairs, in the summer I want the fan off on the top level during the day so I’m not moving the hot air around as much (those vents are in the ceiling), in the winter I want more air circulation. In my previous house we had installed an Ecobee 3, the first model with Apple HomeKit support (which we never used). The Honeywell T9 is competitive with the Ecobee in most of the features you will actually use, but that Ecobee had a couple of features the T9 does not. First, Ecobee supports accessories, for example, you could use it to control a whole house humidifier (I wanted one but never bought one). T9 doesn’t do that. Second, Ecobee can use occupancy to control whether your house is in home or away mode, which would be useful for our top level since nobody is in the bedrooms during the day. T9 uses geofencing, which has a lot of disadvantages in comparison (everybody needs it on your phone, cannot distinguish between home and on that level). Newer Ecobee models add even more sensors and even Alexa. Ecobee also lets you tweak how often the fan runs, Honeywell just has circulate, which runs on their schedule. Ecobee also looks more premium than Honeywell. The T9 is functional but not as modern of a design. Their sensors are large white blocks that really stand out when mounted on a wall. Considering all of the white Ring products I have, it kind of fits in, though. I probably would have chosen Ecobee over T9 if the price was similar, but Ecobee is nearly double the price and their remote sensors are more expensive as well.

### ⭐⭐⭐⭐⭐ What I was looking for
*by B***. on March 17, 2022*

I wanted a thermostat that I could program, not on that was self programming to my schedule (large internet company one). This is it! Works great. I have a heatpump system, and had no problems hooking it up. It has a weekly schedule if you want to set five days easily, or you can do all seven separately. I set mine for weekday and weekends (two schedules). Has four daily slots (rise, leave, home, sleep), but looks like you can add more. I bought two room extenders, and they work great. I have an older house, and the thermostat was in a hallway that was off the main area. The room extenders are great as they were easy to add and let you tell the thermostat what to weigh on heating/cooling decisions. Are you in the living room or your office all day? Set the thermostat to look at that sensor. Your bedroom hot at night? Set the schedule to look at the hall and bedroom when deciding to come on. The main reason I bought this was the auto switch between heat/cool and the fan circulate mode. I hate having to babysit the thermostat on freezing nights and hot days. The Auto switching is great. The auto circulate fan setting is great. It will circulate air about twenty minutes an hour just using the fan to keep the house at a good temperature so it doesn't have hot and cold spots on those times when you are on the edge of the temperature range. I use it for the night. This thermostat is not the most attractive, but I would recommend it. The only issue you may have is that the thermostat always seems to be back lit. Not sure if that is adjustable, but I love it because it acts as a soft light in the middle of the night for guests on the way to the bathroom. Great product.

### ⭐⭐⭐⭐⭐ Extremely easy to install, works with combined 2.4 and 5Ghz wifi networks with simple trick
*by A***E on December 23, 2020*

Our home came with a "dumb" T6 thermostat. But being a newer Honeywell thermostat model, the backplate is the exact same as the one that came with this thermostat. So installation was literally pull the old face panel off, and snap this one on there, plug and play, 30 seconds job. Setup was incredibly easy too, the step by step setup on the screen is pretty intuitive. There were a lot of reviews saying if you have a mesh WiFi, or any system that's got the 2.4Ghz and 5Ghz band combined it would not work, and that worried me at first, because I want to have my device under one SSID, and I have several APs on my network. But the solution to that is actually very simple, I just found a old network extender, set the extender to connect to my home network, where it can read and connect to my main combined band WiFi, and then ask it to broadcast the extension network in 2.4Ghz mode only, under a different SSID. I then connect the thermostat to that extended network, and problem solved! It is still managed by the DHCP server on my main network, the thermostat never drops offline, and I keep my combined 2.4Ghz+5Ghz single SSID setup for the main WiFi. I used it like this for about a month now and had zero issues with connectivity. I agree this should not even be a problem to begin with in this day and age, but this workaround took me less than 10 minutes to get setup and running, and half the time was trying to reset my old network extender to factory settings... I did notice the humidity sensor is a bit off though, it reads high by about 10% compared to my other humidity sensors in the house, and those 3 are all in agreement +-2%. And it's not just the thermostat itself, I bought a separate room sensor for it afterwards, and that ones reads about 10% high too, so maybe it's just how they are calibrated by Honeywell? But anyways, that's not the reason why I got it to begin with so it doesn't matter much to me. Overall very happy about the thermostat, the only show stopper that worried me initially was the WiFi situation, and that turned out to not be a problem at all.

## Frequently Bought Together

- Honeywell Home T9 WIFI Smart Thermostat, Smart Room Sensor Ready, Touchscreen Display, Alexa and Google Assist
- Honeywell Home RCHTSENSOR-2PK, Smart Room Sensor works with T9/T10 WIFI Smart Thermostats

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-30*