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Home Assistant TestFlight
Coway

Coway Airmega 250S

Thermostats · Climate

WorksCloud

1 report: 1 says it works.

Reported with 1 integration: Coway IoCare.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Coway IoCareWorks CloudListed; EU variant detection fixed; pre-filter error resolved
Saved copy
… updated the integration but it is failing when initialising. The error message I get is as follows: Failed setup, will retry: ‘pre-filter’. I have an Airmega 250S (AP-1720G) and it has a ”maintenance” value for both the pre-filter and the MAX2-filter both in the old IoCare app as well as previous versions of this integration. Here is the log from Home Assistant: This error originated from a custom integration. Logger: custom_components.coway Source: helpers/update_coordinator.py:392 integration: Coway IoCare (documentation, issues) First occurred: 21:17:29 (9 occurrences) Last logged: …

Excerpt saved from GitHub on 2026-10-23.

Issue #69 · 2025-09

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

BrandCoway
Model250S
CategoryThermostats