by Alex (Jamaica) Hi how are you. Is it better to use a 24volt solar system for your home over a 12 volt. thank u MEG: Graeme says 24V has advantages: The higher the voltage, the less voltage drop you get on cabling. This saves you losing voltage over a long cable from panels to converter. Dec 16, 2016 12 to 24volt by: Anonymous Ok, I live off grid and … [Read more...] about 12V or 24V for Home solar system?