According to Forbes Home 2023 List of Propane Generators, the best one for off-grid living is the Champion 12.5-kW Home Standby Generator. “Champion is among the newest companies in the home generator market but is quickly making its name with excellent quality propane generators that are built to last. Champion’s 12.5kW Home Standby Generator takes top marks on our propane generator list because of its whisper-quiet 63 dbA noise level and best-in-class 10-year warranty.”