What Does 2 Person Sauna Do? Table of Contents2 Person Sauna Can Be Fun For AnyoneLittle Known Questions About 2 Person Sauna.It takes about 10 mins to preheat and you'll require a heatproof surface to push. Once it goes to your desired temperature level, you jump in and set a timer for as lengthy as you want to stay in the covering. Infrared71"L