Skip to main content
mattercatalog
LG ElectronicsThermostats

LG Smart Thermostat (TMCTAW5W)

CSA Certified

The LG Smart Thermostat (TMCTAW5W) is Matter certified (certificate CSA264ZQMAT55878-24, certified Sep 29, 2026). A certified Matter device can be added to any Matter controller whose app supports its device type, such as Apple Home, Google Home, Alexa, SmartThings or Home Assistant; features vary by app. The maker hasn’t named platforms on a page we hold. We have no verified store link for it yet.

Certificate data: CSA ledger read . Set-up steps and sources: Apple Home · Google Home · Alexa · SmartThings · Home Assistant

CSA Matter certified (certificate CSA264ZQMAT55878-24).

At a glance: Matter certified: Yes, Sep 29, 2026 · Connectivity: Thread, Wi-Fi, Bluetooth

Works with
Matter certified, so it can work with Matter apps such as Apple Home, Google Home, Alexa and SmartThings when the app supports its device type; supported features vary by app. The maker hasn’t named platforms on a page we hold.
CSA certificate
CSA264ZQMAT55878-24, certified Sep 29, 2026
Model number
TMCTAW5W

Updated : the last change to this page’s certification, platform or store facts.

Not sold by a US store we can verify. Similar CSA-certified smart thermostats you can buy:

Independent guide. We may earn a commission through affiliate links. Direct non-affiliate links are labeled. How our links work

Why these: we have no US store link we can verify for this exact model. Each is a different product, in the same category (Thermostats), with a CSA certificate for its own model and a store link we checked. The order is not a ranking.

LG Electronics LG Smart Thermostat (TMCTAW5W) Matter device

No US store link yet

We link to a store only after its listing matches this exact model, region and package.

Shop thermostats you can buy now →

Matter 1.5 certificate

Its certificate, CSA264ZQMAT55878-24, is for Matter 1.5, certified Sep 29, 2026. The Matter version is the specification version on the certificate's ledger record.

Source: CSA Distributed Compliance Ledger, read Nov 10, 2026.

What Matter 1.5 added, and which devices use it →

Matter-compatible smart thermostat supporting Wi‑Fi and Thread connectivity. Supports 2.4 GHz and 5 GHz Wi‑Fi networks, as well as universal Thread Border Routers. Enables temperature control in Heat, Cool, Auto, and Off modes. Features a 2.4-inch white LED LCD display with an invisible display-off function. Provides LCD Glance View for convenient temperature and status checks when the user is nearby. Equipped with proximity sensing and radar-based millimeter-wave sensing for user detection. Includes temperature and humidity sensing for environmental monitoring and temperature modeling. Supports NFC-based, unpowered Matter commissioning for easy installation and configuration. Provides…

ThreadWi-FiBluetoothMatter

Specifications

Brand
LG Electronics
Category
Thermostats
Protocols
Thread, Wi-Fi, Bluetooth, Matter
Certificate ID
CSA264ZQMAT55878-24
Certified
Sep 29, 2026
Model
TMCTAW5W
Firmware
1.1.0

Ecosystem compatibility

Matter

Quick answers

Is the LG Smart Thermostat (TMCTAW5W) Matter certified?
Yes. MatterCatalog matches it to CSA Matter certificate CSA264ZQMAT55878-24, certified Sep 29, 2026.
Does the LG Smart Thermostat (TMCTAW5W) work with Apple Home or HomeKit?
Likely. It is Matter certified (certificate CSA264ZQMAT55878-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Apple Home on a page we hold. Apple says an iPhone using iOS 18 or later can add Matter accessories to the Home app without a home hub.

Add a Matter device to Apple Home

Does the LG Smart Thermostat (TMCTAW5W) work with Google Home?
Likely. It is Matter certified (certificate CSA264ZQMAT55878-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Google Home on a page we hold. Google says you need a Matter-enabled hub device set up on your home wireless network before you can add Matter devices to Google Home.

Add a Matter device to Google Home

Does the LG Smart Thermostat (TMCTAW5W) work with Alexa?
Likely. It is Matter certified (certificate CSA264ZQMAT55878-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Alexa on a page we hold. Alexa needs a Matter-compatible Echo; Amazon says its Echo devices support “a subset of Matter 1.5 and lower device types”, so check that yours does.

Add a Matter device to Alexa

Does the LG Smart Thermostat (TMCTAW5W) work with Samsung SmartThings?
Likely. It is Matter certified (certificate CSA264ZQMAT55878-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named SmartThings on a page we hold. SmartThings adds Matter devices through the SmartThings app and a Matter controller.

Add a Matter device to SmartThings

Does the LG Smart Thermostat (TMCTAW5W) work with Home Assistant?
Likely. It is Matter certified (certificate CSA264ZQMAT55878-24), so any Matter controller whose app supports its device type can add it. The maker hasn’t named Home Assistant on a page we hold. Home Assistant says: “Adding a new Matter device only works in the Home Assistant Companion app.”

Add a Matter device to Home Assistant

Does the LG Smart Thermostat (TMCTAW5W) need a hub or a Thread border router?
It depends on the network it uses, which this record does not state without ambiguity. A Thread device needs a Thread border router; a Wi-Fi device does not. Either needs your platform’s Matter controller.
When was the LG Smart Thermostat (TMCTAW5W) Matter certified?
The CSA certified it on Sep 29, 2026 (certificate CSA264ZQMAT55878-24). That is its certification date, not a retail release date, which MatterCatalog does not state.

From this product’s catalog record, not hands-on testing. Editorial policy

Share:

Best Matter Smart Thermostats 2026

Compare heating-system fit, regional models and exact retailer options.

Read the full buying guide →

Stay updated

Get notified when new Matter-certified devices launch.

No spam. Unsubscribe anytime.