My townhouse neighbor had one built on her back deck - it's small, looks like only a single person can use it at a time, but it fits nicely on her deck, and onl

My townhouse neighbor had one built on her back deck - it's small, looks like only a single person can use it at a time, but it fits nicely on her deck, and only needs a 120V outlet. You can also find portable indoor saunas: https://www.amazon.com/portable-saunas-home/s?k=portable+saunas+for+home https://www.amazon.com/portable-saunas-home/s?k=portable+sau...