A practical map of Finnish/traditional, infrared, steam/hammam, and blankets: typical temperatures, humidity, session length, and which research applies to which room. Use this to read a clinic menu without mixing devices.
Sauna types and temperatures are how you decode a clinic menu. “Sauna” is not one device. Air temperature, humidity, and whether the heat is convection or infrared change the session, the risk, and which studies you can honestly cite.
The usual map
Traditional / Finnish: roughly 80–100°C, low humidity, optional löyly (water on rocks). Sessions often 8–20 minutes. This is the room behind most cardiovascular cohort data.
Infrared cabin: roughly 45–60°C air with IR panels. Sessions often 20–40 minutes. Comfort can be higher; the Finnish mortality papers do not automatically transfer.
Steam / hammam: roughly 40–50°C with very high humidity. Short rounds (5–15 minutes). Wet heat, different cooling physics.
Infrared blanket: wrap at a set program time. Easy to overheat if you cannot exit quickly.
How to use the numbers
Thermostat bragging is not a protocol. Humidity makes a “lower” temperature feel harder. Löyly spikes humidity in a dry room. If a clinic will not tell you the set temperature, humidity, and a time limit, treat that as a quality issue. Red light beds are not saunas; do not let a menu collapse them into one “infrared” line.
Ask the clinic what they actually run: temperature, humidity, max time, supervision. Hydrate. Skip alcohol.
Cool down relative to the room you used. IR and steam often leave people less cooked than Finnish heat; still rehydrate.
People get into trouble by treating IR times as Finnish times (too long in a hot room) or Finnish bravado in a steam room (too long in wet heat). Blankets add entrapment risk.
Laukkanen J.A. et al. Cardiovascular and other health benefits of sauna bathing: a review (Mayo Clin Proc, 2018).
https://doi.org/10.1016/j.mayocp.2018.04.008Hannuksela M.L., Ellahham S. Benefits and risks of sauna bathing (Am J Med, 2001).
https://doi.org/10.1016/S0002-9343(00)00671-XHussain J., Cohen M. Clinical effects of regular dry sauna bathing: a systematic review (Evid Based Complement Alternat Med, 2018).
https://doi.org/10.1155/2018/1857413Beever R. Far-infrared saunas for treatment of cardiovascular risk factors (Can Fam Physician, 2009).
https://pmc.ncbi.nlm.nih.gov/articles/PMC2718593/Patrick R.P., Johnson T.L. Sauna use as a lifestyle practice to extend healthspan (Exp Gerontol, 2021).
https://doi.org/10.1016/j.exger.2021.111509© 2026 Longevity Clinic Finder. All rights reserved.
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Frequency
Whatever you tolerate 2+ times weekly if you are chasing the Finnish habit data—using a Finnish-style room.
Anyone comparing clinic heat options. Especially useful if you have tried one type and disliked it.
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