Why do you think fission can't help with heating? Heat is one of the by-products of running a reactor. E.g.: https://www.wsj.com/articles/nuclear-power-could-h

Why do you think fission can't help with heating? Heat is one of the by-products of running a reactor. E.g.: https://www.wsj.com/articles/nuclear-power-could-heat-your-home-cogeneration-district-heating-energy-steam-china-ap1000-11657734413?mod=latest_headlines https://www.wsj.com/articles/nuclear-power-could-heat-your-h... https://www.powermag.com/district-heating-supply-from-nuclear-power-plants/ https://www.powermag.com/district-heating-supply-from-nuclea...