Gree Climate

Discover, connect and control Gree based mini-split systems.

greenclimat is a Python3 based package for controll Gree mini-split ACs and heat pumps. Gree is a common brand for minisplit systems and is licensed and resold under many product names. This module may (or may not) work for any of those system, but has been tested on

• Trane mini-split heat pump (4TXK38)

If you have tested and know of others systems that work, please fork and submit a PR with the make and model

Based on the following work

• Gree Remote by tomikaa87

Getting the package

The easiest way to grab greeclimate is through PyPI pip3 install greeclimate

Use Gree Climate

Finding and binding to devices

Scan the network for devices, select a device and immediately bind. See the notes below for caveats.

try:
    gree = GreeClimate()
    if not self._device_key:
        devices = await gree.search_devices()
        if self._mac:
            deviceinfo = next((d for d in devices if d.mac == self._mac), None)
        else:
            deviceinfo = next((d for d in devices if d.ip == self._ip), None)
    else:
        deviceinfo = DeviceInfo(self._ip, self._port, self._mac, self._name)
    device = Device(deviceinfo)
    await device.bind(key=self._device_key)
except Exception:
    raise CannotConnect

Caveats

Devices have and use 2 encryption keys. 1 for discovery and setup which is the same on all gree devices, and a second which is negotiated during the binding process.

Binding is incredibly finnicky, if you do not have the device key you must first scan and re-bind. The device will not responding to binding requests immediately proceeding a scan.

Update device state

It's possible for devices to be updated from external sources, to update the Device internal state with the physical device call Device.update_state()

Properties

There are several properties representing the state of the HVAC. Setting these properties will command the HVAC to change state.

Not all properties are supported on each device, in the event a property isn't supported commands to the HVAC will simply be ignored.

When setting a value it is cached but not pushed to the device until Device.push_state_update() is called.

device = Device(...)
device.power = True
device.mode = Mode.Auto
device.target_temperature = 25
device.temperature_units = TemperatureUnits.C
device.fan_speed = FanSpeed.Auto
device.fresh_air = True
device.xfan = True
device.anion = True
device.sleep = True
device.light = True
device.horizontal_swing = HorizontalSwing.FullSwing
device.vertical_swing = VerticalSwing.FullSwing
device.quiet = True
device.turbo = True
device.steady_heat = True
device.power_save = True

# Send the state update to the HVAC
await device.push_state_update()