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Kasa KS225

Kasa / KS225, KS225P3

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Kasa KS225 smart dimmer switch
Image: Kasa

Does the Kasa KS225 work with HomeKit, Alexa, and Google Home?

The Kasa KS225 is the Matter dimmer.

It works with HomeKit, Alexa and Google Home through Matter, and it needs a neutral wire. It suits HomeKit, Google Home, Alexa and Home Assistant users, with native support through Matter over Wi-Fi.

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Matter / Wi-Fi, native
Google Home
Yes[1]
Matter / Wi-Fi, native; 1 other path
Alexa
Yes[1]
Matter / Wi-Fi, native; 1 other path
SmartThings
Unknown
Unknown
Home Assistant
Yes[2–4]
Matter / Wi-Fi, native; 1 other path

Key facts

Kasa KS225 facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1][5]
TypeDimmers[1]
MatterYes[1][2][6]
HomeKitHomeKit via Matter[1]
Neutral wireRequired[1]
Wiringunknown
Max load150 W LED (MLV), 300 W incandescent[1]
ConnectivityWi-Fi 2.4 GHz[1]
Released2023-08-04[7] (TP-Link announced it as available.)

Integration paths

How the Kasa KS225 connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter / Wi-Fi2.4 GHz Wi-Fi network, Matter-compatible app[1]Yes[1]unknown
Wi-Fi cloud2.4 GHz Wi-Fi network[1]Yes[1]unknown
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 Kasa KS225

3 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantNative (local)[4]tplinkWi-Fi cloud
  • Quality: Platinum[4]
  • IoT class: Local Polling[4]
  • Works with Home Assistant: Not certified[4]
Model namedLimited: Needs TP-Link cloud account credentials to authenticate for local control.[4]
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
HomeyCommunity app[8]nu.baretta.tplinkWi-Fi cloud
  • App: Community[8]
  • Runs on: Homey Pro[8]
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. 2023
    1. Announced [9]

      Announced at CES 2023.

    2. Certified [2]

      First Matter certificate.

    3. Released [7]

      TP-Link announced it as available.

Certifications

Certification records

2 recordsHow facts are sourced: every cell cites its source below
ProgramCertificateCertified onTransportSpec / softwareSource
MatterCSA23100MAT40613-24unknown1.0.0[2]
MatterCSA25198MAT45290-24unknown1.3.0[2]

Cite this page

Kasa KS225. Smart Home Canon. https://smarthomecanon.com/devices/kasa-ks225. Last checked 2026-10-20.

Sources

  1. [1]
    MFRkasasmart.com / Kasa Smart Light Dimmer Switch, Matter (KS225) - Kasa Smart US
    Accessed Back to text
  2. [2]
    CSAon.dcl.csa-iot.org / Matter DCL compliance: Kasa KS225, PID 514
    Accessed Back to text
  3. [3]
    DOChome-assistant.io / Home Assistant: Matter integration
    Accessed Back to text
  4. [4]
    DOChome-assistant.io / TP-Link Smart Home - Home Assistant integration
    Accessed Back to text
  5. [5]
    MFRkasasmart.com / Kasa Smart US: smart switches listing
    Accessed Back to text
  6. [6]
    MFRtp-link.com / TP-Link Matter-Certified Devices
    Accessed Back to text
  7. [7]
    MFRcommunity.tp-link.com / Matter-Compatible Switch and Dimmer from Kasa Now Available - TP-Link Smart Home Community
    Accessed Back to text
  8. [8]
    DOChomey.app / Homey App Store: TP-Link KASA LAN
    Accessed Back to text
  9. [9]
    MFRcommunity.tp-link.com / CES 2023: Kasa Smart Switches, Dimmers, and Controllers - TP-Link Smart Home Community
    Accessed Back to text