MillThermostats
Mill Smart WiFi Floor Thermostat
CSA Certified
CSA Matter certified (certificate CSA255A9MAT46331-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.
At a glance: Matter certified: Yes, Aug 13, 2025 · Connectivity: Wi-Fi · Thread border router: Not needed (uses Wi-Fi)
Sold outside the USEU version
Sold outside the US: we don't link a US store for this regional version.
Shop thermostats you can buy now →CSA Matter Certified
Certificate: CSA255A9MAT46331-24Floor heating Thermostat
Wi-Fi
Specifications
- Brand
- Mill
- Category
- Thermostats
- Protocols
- Wi-Fi
- Certificate ID
- CSA255A9MAT46331-24
- Certificate holder
- Mill International AS
- Certified
- Aug 13, 2025
- Firmware
- 1
Ecosystem compatibility
Matter
Quick answers
- Is the Mill Smart WiFi Floor Thermostat Matter certified?
- Yes. MatterCatalog matches it to CSA Matter certificate CSA255A9MAT46331-24, certified Aug 13, 2025.
- Does the Mill Smart WiFi Floor Thermostat use Thread or Wi-Fi?
- Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.
- Is the Mill Smart WiFi Floor Thermostat sold in the US?
- MatterCatalog labels it as sold outside the US: EU version. We don't link a US store for this regional version.
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.