Sniff and copy BT commands?

I purchased an infrared heater for outside.
It comes with an infrared remote and apps for android and iphone to control 5 power stages via Bluetooth.
Adding an infrared transmitter outside makes no sense, so only BT integration is maybe a way to integrate into HA.
Is there already an approach to do such? Using a raspberry 3, sniffing BT commands from the smart phone and copying them to send them to the end device?