PRIMAL News · 2026-10-22
Thao Dien gyms with a sauna: how hot should it be?
Few gyms in Thao Dien keep a sauna on site. What 80 to 90 degrees Celsius does to the body, how long to stay in, and how heat fits after training.
A small number of gyms in Thao Dien keep a sauna on site. Most saunas in the area sit inside spas, hotels and apartment buildings instead. A traditional dry or hot stone sauna usually runs at 80 to 90 degrees Celsius, and that number is the first thing worth asking about.
How hot should a sauna be after a workout?
For a traditional sauna, 80 to 90 degrees Celsius is the common working range. Below about 70 degrees the room feels warm rather than hot. Above 100 degrees the time anyone can stay in drops fast, and the heat starts to sting the skin and the airways.
Humidity decides how that heat feels. Dry air at 90 degrees is bearable for several minutes because sweat evaporates off the skin and carries heat away with it. Pour water on hot stones and the humidity jumps, sweat stops evaporating as quickly, and the same 90 degrees feels much hotter. That burst of steam is why a hot stone sauna can change from one minute to the next.
Sauna, steam room or infrared cabin: what is the difference?
| Room | Usual air temperature | Humidity | What it feels like |
|---|---|---|---|
| Traditional or hot stone sauna | 80 to 100 degrees Celsius | Low, until water hits the stones | Dry, strong heat on the face and skin |
| Steam room | 40 to 50 degrees Celsius | Close to 100 percent | Wet, heavy air, sweat stays on the skin |
| Infrared cabin | 45 to 60 degrees Celsius | Low | Mild air, heat felt mostly from the panels |
A steam room runs far cooler than a sauna but feels hot, because the wet air stops sweat from doing its job. An infrared cabin warms the body from heated panels, so the air stays mild. In Ho Chi Minh City the word sauna gets used for all three, so ask for the temperature, not the name.
What does the heat actually do to your body?
Skin temperature rises within the first minute. The blood vessels near the surface widen to push heat outward, and the heart beats faster to keep blood pressure steady while more blood goes to the skin. After several minutes the heart rate often sits around the level of a brisk walk. Then the sweating starts, and in a dry room a regular user can lose a noticeable amount of water in a single round.
People often say they feel loose or calm afterwards. Nobody can honestly promise a specific result from sitting in heat, though. The water loss is the one certain part, which is why drinking before and after matters most.
How long should you stay in a sauna after training?
Five to ten minutes is a sensible first round, and fifteen is a common upper limit for one sitting. After a hard session the body is already warm and already sweating, so the heat lands faster than it would on a rest day. Get out when the heat stops feeling manageable.
Some people should talk to a doctor before using a sauna at all: anyone with a heart condition, very low or very high blood pressure, or a pregnancy. Alcohol is the other rule. Heat and alcohol together are the most common factor in serious sauna accidents, so skip the sauna on any day you have been drinking.
What fifteen minutes after a session can look like
Fifteen minutes is enough for one or two short rounds of heat and cold. A common order is the sauna for five to eight minutes, cold water for one to two minutes, then a few minutes in warm water while breathing settles. One round is plenty for a first try. Where there is no cold water, a cool shower between rounds does part of the same job.
The order can also start cold. There is no single correct sequence, and most people end on whichever one leaves them calm.
One example in Thao Dien
Primal in Thao Dien has a hot stone sauna on its recovery floor that runs at 80 to 90 degrees Celsius. The same floor has ice barrels at 10 degrees Celsius and a hot magnesium bath at 42 degrees Celsius. A Tribe session is 50 minutes of training followed by about 15 minutes together in the sauna, ice barrels and magnesium baths, so the heat comes straight after the work. For the cold side of the same routine, read what to look for in an ice bath in Thao Dien.
FAQ
Is a sauna safe after a hard workout?
For most healthy adults, yes, with two conditions: drink water first and keep the first round short. The body is already hot after training, so the heat builds faster than usual. Anyone with a heart condition, blood pressure problems or a pregnancy should ask a doctor before starting.
Should I go in the sauna or the ice bath first?
Either order works. Heat first, then cold, then warm water is the most common pattern, because the cold is easier to face on a warm body. Start with one round and see how you feel before adding a second.
How often can you use a sauna?
Many regular users sit in a sauna three or four times a week, and some go daily. How often matters less than how each round is done: short enough to stay in control, with water before and after, and never after alcohol.
Which gym in Thao Dien has a hot stone sauna?
Primal has one on its recovery floor, running at 80 to 90 degrees Celsius, beside ice barrels at 10 degrees Celsius and a hot magnesium bath at 42 degrees Celsius.
