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Home Assistant TestFlight
Garden & plants

Ridder HortiMaX Pro

hortimax

Built inCloud polling

The Ridder HortiMaX Pro integration reads measurements from Ridder greenhouse process controllers through the HortOS Automation API.

In Apple Home through HomeKit Bridge

What HomeKit Bridge makes of each kind of entity this integration creates, read from its source code. A device only gets the ones that apply to it.

EntityShows up asNote
sensorSensor (CO₂, air quality, humidity, light level, temperature)

What people report

Ridder HortiMaX Pro is read-only and the API may change.

  • Partly works1
DeviceIn Home AssistantIn Apple HomeWhat they saidSource
Ridder HortiMaX Pro greenhouse controllerPartly worksRead-only; coded readouts shown as raw numbers; API may change
Saved copy
Limitations: The HortOS Automation API is still evolving, and Ridder does not guarantee The integration is read-only. There is no way to change a setpoint from Some readouts are encoded as numbers that index a lookup table the API does Sensor names are derived from the readout identifiers the controller The integration talks to the HortOS cloud API. An on-premises HortOS server If your API key reaches several controllers and one of them becomes

Excerpt saved from home-assistant.io on 2026-10-23.

Docs

Gathered from GitHub issues, pull requests, discussions and docs, and from r/homeassistant. These are individual reports, so check the linked thread and the date before you buy.

How it connects

Cloud polling

Goes through the maker’s cloud, asking it for updates every so often. Needs the internet and an account.

Details

Installs (analytics)1
Quality scaleBronze
Added inHome Assistant 2026.9
Set up in the UIYes
Maintainers@wildekek

Limitations from the docs

  • The HortOS Automation API is still evolving, and Ridder does not guarantee
  • The integration is read-only. There is no way to change a setpoint from
  • Some readouts are encoded as numbers that index a lookup table the API does
  • Sensor names are derived from the readout identifiers the controller
  • The integration talks to the HortOS cloud API. An on-premises HortOS server
  • If your API key reaches several controllers and one of them becomes

In ReReHome

Whatever HomeKit Bridge shares reaches Apple Home as normal HomeKit accessories behind your Home Assistant bridge, so ReReHome shows and controls them like any other.

Bridges get their own settings page listing the accessories behind them.