The DOE said water heating is the second largest energy expense in most homes. It's responsible for 18% of energy usage. But this startup has created a device to assist with lowering that percentage.

Posted in green hacks Tagged attiny, automation, efficiency, energy storage, ESP32, green energy, home-assistant, hot water, solar, water heater ...

Oekoboiler Swiss AG is committed to advancing sustainable and efficient solutions for hot water needs. Based in Switzerland, ...