![I'm working on an open source smart thermostat project and have some questions about HVAC operation. : r/hvacadvice I'm working on an open source smart thermostat project and have some questions about HVAC operation. : r/hvacadvice](https://preview.redd.it/im-working-on-an-open-source-smart-thermostat-project-and-v0-ojziv3lty2bc1.jpeg?width=3024&format=pjpg&auto=webp&s=13add48a84dfc6ae05db1cba367b331420ba1c62)
I'm working on an open source smart thermostat project and have some questions about HVAC operation. : r/hvacadvice
![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)
Amazon.com: Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow (Renewed) : Everything Else
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/hestiapi1.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)