Far infrared saunas are similar to traditional saunas in the fact that they consist of small rooms that are heated in order to help you produce sweat and cleanse toxins from your body. However, that is where the similarities end.
Unlike traditional saunas, though, far infrared saunas do not use steam to generate sweat. Instead, they use a special kind of heater that produces an infrared radiant heat that penetrates deep into the skin and heats you from the inside. This helps produce more sweat in a shorter amount of time and without the temperature of the heat having to be as high as it would have had to have been to produce the same amount of sweat in a traditional sauna. Whereas traditional saunas can reach temperatures as high as 200 degrees Fahrenheit, far infrared ones only go up to approximately 140 degrees Fahrenheit at the most.
Not only do far infrared saunas not get as hot as traditional ones, but they also use much less energy that traditional saunas. In fact, traditional saunas use nearly three times as much energy in one session than a far infrared one does. Therefore, far infrared saunas are much cheaper to run than traditional ones are, and they are also more environmentally friendly.
Although some people harbor concerns over exposure to far infrared heat, it really isn't anything foreign to the body. Your own body generates this type of heat naturally, so individuals are exposed to far infrared heat every day whether they realize it or not.