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Home Assistant TestFlight
MrCool

MRCOOL units (BI03/BI04)

Thermostats · Climate

WorksCloud

1 report: 1 says it works.

Reported with 1 integration: Cielo Home.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Cielo HomeWorks CloudTurbo mode fix covers BI03 and BI04 device types
Saved copy
Ref issue: #63 Most recent version 1.7.7 accommodates fix for Turbo mode on MRCOOL devices, but only the old device type, `BI03`. This PR also supports new device type `BI04`. New device type, for example MRCOOL DIY Series Outtasight Ceiling Cassette (Model: DIYCASSETTEHP-230C25) are labeled as device type `BI04` This fix has been confirmed working for several users.

Excerpt saved from GitHub on 2026-10-23.

PR #75 · 2024-12

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

BrandMrCool
ModelBI04
CategoryThermostats