Skip to content
Home Assistant TestFlight
Google Nest

Nest Learning Thermostat 3 (heat-only)

Thermostats · Climate

Partly worksCloud

1 report: 1 says it partly works.

Reported with 1 integration: Nest Legacy.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Nest LegacyPartly works CloudOne heat-only unit stuck in Heat/Cool range mode; resolved after investigation
Saved copy
I have 3 identical Nest Learning Thermostat 3's, all installed and added to HA at the same time. They are all wired and configured to be heat-only -- as verified in the standard Nest and Google Home apps. - Using the standard Nest integration, all show the heat-only mode. - Using the Nest Legacy integration, one of the thermostats (3rd Floor Bedroom) seems to be stuck in a Heat/Cool mode. Restarting the integration or restarting HA fails to fix this. Similarly switching eco mode on and off fails to fix it. Any ideas why this happening and how to make my 3rd Floor Bedroom thermostat go back to …

Excerpt saved from GitHub on 2026-10-23.

Issue #38 · 2026-05

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

BrandGoogle Nest
ModelLearning Thermostat 3
CategoryThermostats