Honeywell Home X2S Smart Thermostat

Honeywell Home / RTH2CWF/U, RTHC2CWF, RTH2SMC

Last checked

Honeywell Home X2S Smart Thermostat
Image: Honeywell Home

Does the Honeywell Home X2S Smart Thermostat work with HomeKit, Alexa, and Google Home?

The Honeywell Home X2S Smart Thermostat is a Matter-certified Wi-Fi thermostat that works with HomeKit, Alexa and Google Assistant and needs a C-wire.

It suits HomeKit and Home Assistant users, with native support through Matter over Wi-Fi. Google Home and Alexa users reach it through an integration (the maker's cloud).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Matter / Wi-Fi, native
Google Home
Yes[1]
Wi-Fi cloud, via integration
Alexa
Yes[1]
Wi-Fi cloud, via integration
SmartThings
Unknown
Unknown
Home Assistant
Matter / Wi-Fi, native

Key facts

Honeywell Home X2S Smart Thermostat facts

How facts are sourced: every cell cites its source below
Honeywell Home X2S Smart Thermostat facts
FactValue
StatusCurrent[1]
List price$79.99[1] as of
Matter certified2025-02-03[2] (First certificate date.)
MatterYes[1][2]
DisplayLarge screen[1]
Radar occupancy sensorunknown
Room sensorsunknown
Indoor humidity shownunknown
Humidity and ventilation controlunknown
Video doorbell viewerunknown
StagesUp to 2 heat/2 cool conventional, up to 2 heat/1 cool heat pump[1]
Wi-Fi2.4 or 5 GHz (802.11 b/g/n)[1]

Integration paths

How the Honeywell Home X2S Smart Thermostat connects

2 pathsHow facts are sourced: every cell cites its source below
How the Honeywell Home X2S Smart Thermostat connects
PathRequiresiLocaliFeatures lostPlatformsi
Matter / Wi-Fi2.4 or 5 GHz Wi-Fi network[1][2]unknownunknown
Wi-Fi cloudResideo Connect app, Wi-Fi network[1]unknownunknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the Honeywell Home X2S Smart Thermostat

1 routeHow facts are sourced: every cell cites its source below
Ways to add the Honeywell Home X2S Smart Thermostat
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Matter[2][3] (Matter certified; Home Assistant does not name the model)matterMatter / Wi-Fi
  • Quality: No score[2][3]
  • IoT class: Local Push[2][3]
  • Works with Home Assistant: Not certified[2][3]
Model namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Releases

  1. 2025
    1. Certified Certified, not announced [2]

Certifications

Certification records

2 recordsHow facts are sourced: every cell cites its source below
Certification records
ProgramCertificateCertified onTransportSpec / softwareSource
MatterFAM226247wi-fi2.0.0.0[2]
MatterCSA260DFMAT49891-50wi-fi2.0.4.0[2]

Cite this page

Honeywell Home X2S Smart Thermostat. Smart Home Canon. https://smarthomecanon.com/devices/honeywell-home-x2s-smart-thermostat. Last checked 2026-10-20.

Sources

  1. [1]
    MFRhoneywellhome.com / Honeywell Home: X2S Smart Thermostat product page
    Accessed Back to text
  2. [2]
    CSAon.dcl.csa-iot.org / CSA certified-product database: X2S Smart Thermostat RTH2CWF (VID 4890 PID 4099)
    Accessed Back to text
  3. [3]
    DOChome-assistant.io / Home Assistant: Matter integration
    Accessed Back to text