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Home Assistant TestFlight
Lambda

Lambda EU13 heat pump

Air Conditioners and Heaters · Climate

Works

1 report: 1 says it works.

Reported with 1 integration: Lambda Heat Pumps.

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Lambda Heat PumpsWorksValues correct for a contributor on this model
Saved copy
Description Hello, first of all many, many thanks for this great piece of work! When using the lambda_heat-pumps integration for HA, I got wrong values for the entities with a data type of int32. Energy values as shown by lambda: ... and within HA: After some experimenting, I found out, that the reason is swapped double bytes. After changing the coordinates.py file, I could solve the issue. However I think, this is just a workaround and not the proper solution, but hopefully a hint for you. Maybe it is also linked to the hardware/operating system. ### Reproduction Steps HA is installed on a …

Excerpt saved from GitHub on 2026-10-23.

Issue #22 · 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

BrandLambda
ModelEU13
CategoryAir Conditioners and Heaters