Question: what is the difference between infrared sauna and regular sauna?
Answer: Infrared vs Regular Sauna Regular saunas have to get much hotter than infrared saunas to do their jobs, because they heat the air first, which then indirectly heats the body by convection. ... By contrast, infrared saunas are heated by non-visible wavelengths of light (in the infrared part of the spectrum—hence the name).