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Danfoss

Danfoss Icon2 RT thermostats with Ally gateway

Thermostats · Climate

WorksCloud

1 report: 1 says it works.

Reported with 1 integration: Danfoss Ally.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Danfoss AllyWorks CloudFloor heating thermostats work via cloud; a local-LAN alternative also exists
Saved copy
Sure, here it is https://github.com/ivnlab/danfoss-ally-local Fair warning on scope. I never set out to cover everything danfoss_ally does. This is floor heating only, tested on my own setup (Ally gateway plus six Icon2 RT thermostats), and nothing else in the Ally line has been touched. Extending it to the rest is realistic, the local datapoints are there to be mapped the same way, but it needs the hardware on hand and proper testing. I have a single Ally radiator thermostat, which is not enough to do that properly. The raw datapoint mapping is documented in docs/ if it is of any use to you. …

Excerpt saved from GitHub on 2026-10-23.

Issue #415 · 2026-09

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

BrandDanfoss
ModelIcon2 RT
CategoryThermostats