GitHub - smeisner/smart-thermostat: Open-source ESP32-based thermostat that has some useful intelligence
![HestiaPi: Open Source Open Hardware Smart Thermostat for Your Home - Open Electronics - Open Electronics HestiaPi: Open Source Open Hardware Smart Thermostat for Your Home - Open Electronics - Open Electronics](https://www.open-electronics.org/wp-content/uploads/2019/05/hestiapi2.jpg)
HestiaPi: Open Source Open Hardware Smart Thermostat for Your Home - Open Electronics - Open Electronics
![Open source smart thermostats rise to compete with Nest after Google acquisition « Adafruit Industries – Makers, hackers, artists, designers and engineers! Open source smart thermostats rise to compete with Nest after Google acquisition « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2014/01/adafruit-thermostat.jpg)
Open source smart thermostats rise to compete with Nest after Google acquisition « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![Amazon.com: Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow (Renewed) : Everything Else Amazon.com: Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow (Renewed) : Everything Else](https://m.media-amazon.com/images/I/71vTp9YTjuL._AC_UF894,1000_QL80_.jpg)