Bluetooth

Integrating Airthings Wave Plus with Home Assistant using ESPHome

As of ESPHome 2021.9.0, you can easily integrate the Airthings Wave Plus, a CO2, VOC, and Radon sensor, with Home Assistant.

Bluetooth

The best Bluetooth temperature and humidity sensors for Home Assistant

Bluetooth Low Energy (BLE) has similar properties to Zigbee: It uses the same 2.4 GHz radio frequencies and consumes very little power.