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Home Assistant TestFlight
FRITZ!

FRITZ!DECT 301 thermostat via HomeKit

Thermostats · Climate

Partly worksApple Home issuesLocal

1 report: 1 says it partly works.

Reported with 1 integration: FRITZ!SmartHome.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
FRITZ!SmartHomePartly works LocalPartly in Home
Always shows idle/standby; Siri says heating is off
No hvac_action, so heating state not shown
Saved copy
The problem I have several Fritz!Dect 301 thermostats connected to Home Assitant that I want to control via HASS Bridge. These are also visible in the Home app on the iPhone. Unfortunately, the thermostats are always displayed with a green icon (standby). When I ask Siri if, for example, the heating in the living room is on, Siri denies this. I would have expected the icons to be yellow when the thermostats are heating and Siri to confirm that the heaters are on. These icons should only be green when the set temperature is reached and should be maintained or? ## Environment - Home Assistant …

Excerpt saved from GitHub on 2026-10-23.

Issue #45638 · 2021-01

Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.

In ReReHome

Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.

Identifiers

BrandFRITZ!
ModelDECT 301
CategoryThermostats