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Mysa Smart Thermostat (Central HVAC)

Mysa / ST.1.0.01.NA

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Does the Mysa Smart Thermostat (Central HVAC) work with HomeKit, Alexa, and Google Home?

The Mysa Smart Thermostat is a 24 V Wi-Fi thermostat for furnaces, heat pumps, boilers and similar central systems, and it needs a C-wire.

Mysa lists it as Matter certified. 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][2]
Matter / Wi-Fi, native
Google Home
Yes[1][3]
Matter / Wi-Fi, native
Alexa
Yes[1][3]
Matter / Wi-Fi, native
SmartThings
Unknown
Unknown
Home Assistant
Yes[4][5]
Matter / Wi-Fi, native

Key facts

Mysa Smart Thermostat (Central HVAC) facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$129[1] as of
Heating or cooling systemCentral 24 V heating and cooling[1][6]
Power24 VAC, C-wire required[1]
ConnectivityWi-Fi 2.4 GHz and Bluetooth LE[1]
MatterYes, Matter certified[1]
Works withHomeKit, Google Home and Alexa through Matter[1][3]

Integration paths

How the Mysa Smart Thermostat (Central HVAC) connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter / Wi-FiWi-Fi network (2.4 GHz), Matter controller[1][3]unknownunknown
Wi-Fi cloudWi-Fi network (2.4 GHz), Mysa app[1]unknownunknownunknown
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 Mysa Smart Thermostat (Central HVAC)

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Matter[4][5] (Matter certified; Home Assistant does not name the model)matterMatter / Wi-Fi
  • Quality: No score[4][5]
  • IoT class: Local Push[4][5]
  • Works with Home Assistant: Not certified[4][5]
Model namedNone stated
HomeyVia Matter[7][8]matterMatter / Wi-FiModel 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.

Certifications

Certification records

1 recordHow facts are sourced: every cell cites its source below
ProgramCertificateCertified onTransportSpec / softwareSource
MatterCSA2610VMAT50735-24wi-fi4.6.52[7]

Cite this page

Mysa Smart Thermostat (Central HVAC). Smart Home Canon. https://smarthomecanon.com/devices/mysa-smart-thermostat. Last checked 2026-10-20.

Sources

  1. [1]
    MFRgetmysa.com / Mysa Smart Thermostat for Central HVAC (Mysa US store)
    Accessed Back to text
  2. [2]
    MFRhelp.getmysa.com / Pairing Mysa with Apple Home via Matter - Mysa Support
    Accessed Back to text
  3. [3]
    MFRhelp.getmysa.com / Connecting Your Mysa Smart Thermostat with Matter - Mysa Support
    Accessed Back to text
  4. [4]
    DOChome-assistant.io / Home Assistant: Matter integration
    Accessed Back to text
  5. [5]
    CERTcsa-iot.org / CSA Certified Products: Mysa Smart Thermostat for Central HVAC
    Accessed Back to text
  6. [6]
    MFRhelp.getmysa.com / Mysa Smart Thermostat Overview - Mysa Support
    Accessed Back to text
  7. [7]
    CSAon.dcl.csa-iot.org / Matter DCL compliance: Mysa Smart Thermostat for Central HVAC, PID 1 (part ST.1.0.01.NA), software 4.6.52
    Accessed Back to text
  8. [8]
    DOCsupport.homey.app / Homey Support: Matter for Homey (Add a Matter device to Homey)
    Accessed Back to text