Decision guide

Dry sauna or steam: the difference nobody explains properly

90 °C of dry air or 45 °C of dense fog: experiences as different as a desert and a rainforest. We compare feel, construction, cost and maintenance - and explain why 9 in 10 of our residential projects end up dry.

Decision guide · 7 min · 2026-08-30

Dry sauna (Finnish): 80-110 °C, 10-20% humidity, warm timber and a ladle of water on the stones for a momentary steam hit. Steam room (Turkish/wet): 40-50 °C, 100% humidity, fog you can't see the door through, tile and glass instead of timber.

The honest comparison

Criterion	Dry	Steam
Feel	enveloping heat, sweat that evaporates	dense closeness, sweat that runs
Temperature	80-110 °C	40-50 °C
After the session	dry skin, ready for the ice	wet skin, shower mandatory
Construction	prefabricated timber cabin	waterproofed room + steam generator
Maintenance	treat the timber 1×/year	fight mould every week
Typical cost	R$ 38-140k	R$ 60-180k (wet works add up)
Tropical lifespan	decades with the right timber	grout and sealing demand constant attention

Why dry heat rules the home

It pairs with the ice: the contrast protocol wants dry heat before the plunge - it's the classic pair.
Clean works: finished panels in days, no waterproofing an entire room.
The Brazilian climate: we already live in humidity; the luxury is hot, dry air that doesn't exist outdoors.
Grown-up maintenance: timber treated once a year versus a weekly mould hunt.

When steam wins

A commercial spa whose clientele wants steam + eucalyptus, physician-guided respiratory therapy, or the plain personal preference of someone raised on the hammam. In those cases we design the wet room too - with a properly sized generator and decent extraction. But if the doubt exists, the statistical answer from our portfolio is the custom dry sauna.

What about the 'löyly' - doesn't the ladle make a dry sauna wet?

For 30-60 seconds the humidity spikes and falls - that's the Finnish ritual's steam hit. The cabin stays dry; a Turkish bath's continuous generator is a different category.

Which burns more calories / 'detoxes' better?

Both make you sweat and unwind; miracle metabolic claims have no backing. The real gain is recovery, sleep and consistency - and consistency comes from the experience you love repeating.

Can I have both at home?

Yes, in larger recovery room projects - dry + a compact steam cabin + ice. The budget is larger too: from R$ 180k.

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