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Home Assistant TestFlight
Generic

Water heater entities

Air Conditioners and Heaters · Climate

Won’t be supportedApple Home issues

1 report: 1 says it can’t be supported.

Reported on r/homeassistant.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Not namedWon’t be supportedPartly in Home
Only 'Heat' mode in Home app
HomeKit has no water heater operation modes; maintainer says unsupported
Saved copy
The problem Water Heater entities exposed to HomeKit do not let you change the operation_mode, the only option in the Home App is "Heat". Using the Demo Platform water heater as an example, but I've tried it with other Water-Heater entities and I am experiencing the same results. Example Operation Modes available in the UI Only mode shown in the Home App is "Heat" ### What version of Home Assistant Core has the issue? core-2023.12.4 ### What was the last working version of Home Assistant Core? _No response_ ### What type of installation are you running? Home Assistant OS ### Integration …

Excerpt saved from GitHub on 2026-10-23.

Issue #106610 · 2023-12

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

BrandGeneric
CategoryAir Conditioners and Heaters