2024.11.2
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eQ-3 Bluetooth Smart Thermostats

The eq3btsmart climate platform allows you to integrate eQ-3 Bluetooth Smart Thermostats.

The current functionality allows setting the temperature as well as controlling the supported modes with help of the eq3btsmart library. As the device doesn’t contain a temperature sensor (read more), we report target temperature also as current one.

Pairing

Pairing your eQ-3 Bluetooth Smart Thermostat device works differently based on your method of connection and the device’s firmware version.

ESPHome Bluetooth Proxies

For firmware versions below 148, no additional configuration is required when using ESPHome Bluetooth Proxies. Since version 148, a security flaw in the devices has been fixed that now requires entering a passkey.

To configure the passkey, add the following to your ESPHome Bluetooth Proxy’s configuration:

esp32_ble:
  io_capability: keyboard_only

ble_client:
  - mac_address: <MAC>
    id: my_eq3_thermostat
    auto_connect: true
    on_passkey_request:
      then:
        - ble_client.passkey_reply:
            id: my_eq3_thermostat
            passkey: <PIN code displayed on the thermostat. To display the PIN hold down the main button.>

For further information see the ESPHome documentation.

Other

Pairing is only required with firmware versions above 120.
Before configuring Home Assistant you need to pair the thermostat to your Bluetooth adapter using bluetoothctl.

bluetoothctl
scan on
# Wait for the thermostat to show up and copy its MAC address
# Expected output: [NEW] Device 00:1A:23:27:F8:4E CC-RT-BLE
scan off
pair <MAC>
# Hold down the main button on the thermostat to display the PIN
# Enter the displayed PIN when prompted
trust <MAC>
disconnect <MAC>
exit

Configuration

To add the eQ-3 Bluetooth Smart Thermostats device to your Home Assistant instance, use this My button:

Manual configuration steps

If the above My button doesn’t work, you can also perform the following steps manually:

  • Browse to your Home Assistant instance.

  • Go to Settings > Devices & Services.

  • In the bottom right corner, select the Add Integration button.

  • From the list, select eQ-3 Bluetooth Smart Thermostats.

  • Follow the instructions on screen to complete the setup.