OpenTherm Library


OpenTherm Library for HVAC system control communication using Arduino and ESP8266/ESP32 hardware.
OpenTherm Library is based on OpenTherm protocol specification v2.2 and works with all OpenTherm compatible boilers.

Author: Ihor Melnyk

Maintainer: Ihor Melnyk

Read the documentation


This library is compatible with all architectures so you should be able to use it on all the Arduino boards.


To use this library, open the Library Manager in the Arduino IDE and install it from there.