Heating/cooling probably, but renovation of older structures is generally expensive and complicated, whereas grid batteries can scale until newer construction (which should be more insulated) can keep up. It’s not an either or, but more of both that will compliment each other as time progresses.
He’s also declared bankruptcy a few times and lived off of food stamps, but doesn’t really seem to like the idea of funding public assistance like food stamps. I’m from Greensboro and have known about him for years (he got famous for a crazy speech about gun control in front of the city council in 2018), he’s a dangerous idiot.