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YoLink Thermostat 2, Dual-Stage Heat & Cool

YoLink / YS4004

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Does the YoLink Thermostat 2, Dual-Stage Heat & Cool work with HomeKit, Alexa, and Google Home?

The YoLink Thermostat 2, Dual-Stage Heat & Cool (YS4004) is a dual-stage 24 VAC thermostat that supports up to two YS8007 sensors.

It suits Google Home and Alexa users, with native support through the maker's hub. Home Assistant users reach it through an integration (the maker's hub).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Yes[1]
Proprietary + hub, native
Alexa
Yes[1]
Proprietary + hub, native
SmartThings
Unknown
Unknown
Home Assistant
Yes[1][2]
Proprietary + hub, via integration

Key facts

YoLink Thermostat 2, Dual-Stage Heat & Cool facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
TypeDual-stage thermostat[1]
Power24 VAC with C wire[1]
Key specSupports up to two YS8007 sensors; Demand Response[1]
RadioLoRa to a YoLink hub[1]
RangeUp to 2,034 ft (620 m) open air[1]

Integration paths

How the YoLink Thermostat 2, Dual-Stage Heat & Cool connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Proprietary + hubHUBYoLink Hub[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 YoLink Thermostat 2, Dual-Stage Heat & Cool

1 routeHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantNative (cloud)[2]yolinkProprietary + hub
  • Quality: No score[2]
  • IoT class: Cloud Push[2]
  • Works with Home Assistant: Not certified[2]
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.

Cite this page

YoLink Thermostat 2, Dual-Stage Heat & Cool. Smart Home Canon. https://smarthomecanon.com/devices/yolink-thermostat-2-dual-stage-heat-cool. Last checked 2026-10-20.

Sources

  1. [1]
    MFRshop.yosmart.com / YoLink Thermostat 2, Dual-Stage Heat & Cool - YoLink
    Accessed Back to text
  2. [2]
    DOChome-assistant.io / YoLink - Home Assistant
    Accessed Back to text