Honeywell Home X8S Smart Thermostat User Guide

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Prioritize Rooms for Comfort  

Connect a Video Doorbell  

Access User Manual  

Prioritize different areas of your home by using XRSENSOR  

wireless indoor room sensors. You can manually select  

these areas or allow the sensors to do it automatically  

when activity is sensed.  

To access a full user manual scan the  

QR Code below or visit:  

X8S Smart Thermostat  

EN User Guide  

info.honeywellhome.com/x8s-um  

Regulatory Information  

FCC Regulations  

47 CFR § 15.19 (a)(3)  

Current  

Homescreen  

Weather Time Temperature  

This device complies with Part 15 of the FCC Rules. Operation is  

subject to the following two conditions:  

(1) This device may not cause harmful interference,  

(2) This device must accept any interference received, including  

interference that may cause undesired operation.  

47 CFR § 15.21  

Changes or modifications not expressly approved by the party  

responsible for compliance could void the user’s authority to  

operate the equipment.  

47 CFR § 15.105 (b)  

For additional FCC information for this product, see:  

https://customer.resideo.com/en-US/support/residential/codes-  

and-standards/FCC15105/Pages/default.aspx  

RF Exposure Statement  

Pair your First Alert VX1 or Ring Doorbell camera and view  

live video on your thermostat using compatible video  

doorbells. To setup, use the First Alert by Resideo App.  

Home  

System  

Mode  

Mode  

Fan  

Fan  

Customize Idle Screen  

Mode  

Following Schedule  

Good  

Menu  

Choose Idle Screen  

Warning:  

The antenna(s) used for these transmitters must be installed to  

provide a separation distance of at least 20 cm from all persons  

and must not be co-located or operating in conjunction with any  

other antenna or transmitter. Operations in the 5150-5250 MHz  

band and in the 5250-5350 MHz Band are restricted to Indoor  

use only.  

Options  

Menu  

Indoor  

Indoor Air  

Quality  

Set  

Humidity  

Temperature  

M39685  

IC Regulations  

RSS-GEN  

This device contains license-exempt transmitter(s)/receiver(s)  

that comply with Innovation, Science and Economic Development  

Canada’s license-exempt RSS(s). Operation is subject to the  

following two conditions:  

(1) This device may not cause interference.  

(2) This device must accept any interference, including  

interference that may cause undesired operation of the device.  

RF Exposure Statement  

Warning:  

The antenna(s) used for these transmitters must be installed to  

provide a separation distance of at least 20 cm from all persons  

and must not be co-located or operating in conjunction with any  

other antenna or transmitter. Operations in the bands 5150-5250  

MHz and 5250-5350 MHz is only for indoor use to reduce the  

potential for harmful interference to co-channel mobile satellite  

systems.  

Preview  

Save  

NOTE: White model shown, color may vary.  

M39704  

Thermostat  

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X8VWF7WC (White thermostat. Canada)  

X8VMC9W (White thermostat with room sensor. US)  

X8VWF7W (White thermostat. US)  

X8VMC8BC (Black thermostat. Canada)  

X8VWF10B (Black thermostat with room sensor. US)  

X8VMC8B (Black thermostat. US)  

Display the information that is most important to you by  

customizing the idle screen. Choose between seven  

different styles and colors to match your decor.  

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To access, touch Menu > Priority.  

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To access, touch Menu > Preferences > Display > Idle  

Screen.  

Maintain Optimal Indoor Air Quality  

Setup Matter  

Connect Thermostat to the  

First Alert by Resideo App  

To connect your thermostat to the  

mobile app scan the QR Code or visit:  

info.firstalert.com/FA-app-  

download  

Control your thermostat setpoints and the  

change system mode using automations  

enabled by Matter.  

The product should not be disposed of with other household  

waste. Check for the nearest authorized collection centers or  

authorized recyclers. The correct disposal of end-of-life  

equipment will help prevent potential negative consequences for  

the environment and human health.  

Touch Menu, scroll down and select Matter.  

Follow the instructions on the screen. Use  

your matter controller and scan the onscreen  

QR code or use the pairing code.  

2-Year Limited Warranty  

First Alert App Features  

https://resideo.info/US-Warranty-THERMOSTAT  

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Auto Away & Smart Scheduling  

Alerts and Reminders  

Get Rewarded  

Search for energy providers near you who offer  

thermostat incentives and rebates at:  

resideo.info/utility-savings-programs  

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Monthly Energy Reports  

Energy Rebate Program  

If the thermostat has been set to control Indoor air quality  

there will be options to control humidity or ventilation.  

Those can easily be adjusted in the user menu on the  

thermostat or in app.  

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Full Thermostat Control from Anywhere  

Monitor Water Leak Detectors (Sold Separately)  

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Monitor Smoke & Carbon Monoxide Detectors (Sold  

Separately)  

To access, touch Menu, then scroll to and select  

Humidification, Dehumidification, or Ventilation (shown).  

Resideo Technologies Inc.  

Scottsdale, AZ 85254  

1-800-633-3991  

33-00730EF-01 K.K. Rev 6/25  

© 2025 Resideo Technologies, Inc. All rights reserved. The Honeywell  

Home trademark is used under license from Honeywell International,  

Inc. This product manufactured by Resideo Technologies, Inc. and  

its affiliates.  

33-00730EF-01  

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General	Details
Name	Honeywell Home X8S Smart Thermostat User Guide
Make	Honeywell Home
Language	English
Filetype	PDF (Download)
File size	0.6 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• Honeywell Home

Honeywell Home X8S Smart Thermostat User Guide Overview

Summary of Contents

• Page 1: Prioritize rooms for comfort using wireless indoor room sensors. Access the full user manual by scanning the QR code or visiting the specified website. This device complies with FCC regulations and must accept any interference received. Pair your First Alert VX1 or Ring Doorbell camera to view live video on your thermostat. Customize the idle screen to display the most important information. Connect your thermostat to the First Alert by Resideo App for remote control. The product should not be disposed of with household waste; check for authorized collection centers. The thermostat offers features like auto away, smart scheduling, and monthly energy reports. Options for controlling indoor air quality, humidity, and ventilation are available in the user menu. Monitor water leak detectors and smoke & carbon monoxide detectors using the thermostat.
• Page 2: Prioriser les pièces pour le confort. Connecter une sonnette vidéo. Accéder au manuel d'utilisation. Donnez la priorité à différentes zones de votre maison en utilisant les capteurs de pièce intérieurs sans fil XRSENSOR. Visionnez des vidéos en direct sur votre thermostat à l'aide de sonnettes vidéo compatibles. Cet appareil est conforme à la partie 15 des règles de la FCC. Maintenir une qualité de l’air intérieur optimale. Le produit ne doit pas être jeté avec les autres déchets ménagers. Obtenez des récompenses. Surveiller les détecteurs de fuites d’eau.