Daikin (hybrid) heat pump systems are usually controlled by a room thermostat (and/or other controller) over a 2-wire HBS interface, called P1/P2, which combines data and power. This project enables ...
Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...