There’s also Channing Street Copper which has an oven as well: https://www.channingcopper.com/ https://www.channingcopper.com/ - same concept with built-in batt

There’s also Channing Street Copper which has an oven as well: https://www.channingcopper.com/ https://www.channingcopper.com/ - same concept with built-in battery. I’d love to see this idea applied to a tankless electric hot water heater.