faircon | Local Wi-Fi adapter for Fujitsu

Control your air conditioner locally — fast, responsive and reliable.

faircon is a plug & play Wi-Fi adapter for compatible Fujitsu air conditioners. No internet connection required.

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Our Products

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Faircon USB

A compact faircon module with a USB-style connector. Designed for Fujitsu wall units using the USB interface. Simply plug the dongle into your air conditioner.

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Faircon JST

Designed for Fujitsu wall units using the JST interface. Includes a 10 cm cable designed to perfectly fit inside the indoor unit.

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Faircon JST (Long)

Includes a 1 m cable and is ideal for duct, floor and ceiling units. The longer cable allows the dongle to be mounted outside the metal unit enclosure.

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Compatibility Check

Find out if your Fujitsu air conditioner is compatible with faircon adapters.

You can find the model name on the label located on the side or bottom of your indoor unit.
View the list of supported units

Features

Everything you need to connect your Fujitsu air conditioner to your smart home.

Local control

Control your air conditioner directly over your local network, without relying on cloud services.

Two-way communication

Accurate real-time status. Unlike an IR bridge, faircon knows what is actually happening with your air conditioner.

Instant response

Commands are sent directly over the local network, providing fast and responsive control.

Works alongside existing controls

Does not interfere with IR remotes or wall controllers. They can be used at the same time.

MQTT & autodiscovery

Flexible integration with Home Assistant. Automatically discovers and configures the device.

Home Assistant

Integrate your air conditioner with Home Assistant and control it alongside the rest of your smart home.

Compatible units

faircon can be used as an alternative to the Fujitsu Wi-Fi modules listed below.

Z series

  • UTY-TFSXZ1 — Europe
  • UTY-TFSXZ2 — Global
  • UTY-TFSXZ4 — China

F series

  • UTY-TFSXF1 — North America
  • UTY-TFSXF2 — Europe
  • UTY-TFSXF3 — Oceania

H series

  • UTY-TFSXH4 — USA, Canada
  • UTY-TFSXH3 — All other regions
  • UTY-TFSXW1

Open source

faircon is based on the FujitsuAC open-source project.

It provides local communication with compatible Fujitsu air conditioners and integrates with Home Assistant through MQTT autodiscovery.

Read the documentation on GitHub →