Infrared vs. Steam Saunas: Which Is Better?

You’ve probably wondered at some point: steam room vs. sauna, which one should you be using? Both involve heat, both make you sweat and both feel incredible after a long week. But they work very differently, and the right choice depends entirely on what you’re trying to get out of it. Here’s the practical breakdown.

What’s the Core Difference Between a Sauna and a Steam Room?

The fundamental difference between a sauna and a steam room comes down to heat type. A traditional sauna uses dry heat, a stove or heated rocks, which bring the room to anywhere between 150°F and 195°F, with humidity staying very low, typically under 20%. A steam room, on the other hand, uses a steam generator to push the temperature down to around 110-120°F but cranks humidity up to 100%.

Both environments trigger similar physiological responses: your heart rate climbs, blood vessels dilate and your core temperature rises. The path to get there, and what your body does with it, is where things diverge.

Traditional Saunas and the 200 Rule

If you’ve ever walked into a traditional sauna and immediately felt overwhelmed, you may have run into an imbalance between heat and humidity. The dry sauna vs. steam room distinction matters here because traditional saunas aren’t designed to be used at full blast with any added moisture.

A useful rule of thumb: temperature in Fahrenheit plus humidity percentage should add up to around 200. So at 180°F, you’re looking at about 20% humidity as the safe and comfortable upper limit. Go higher on both and you risk heat stress. This “200 Rule” is why experienced sauna users add water to the rocks carefully; it’s a science, not just a ritual.

If you’re shopping for a traditional sauna for home use, understanding this balance will help you get the most out of every session.

Infrared vs. Traditional Sauna: A Different Kind of Heat

When you’re comparing infrared vs. traditional sauna, the mechanism is entirely different. Traditional saunas heat the air around you. Infrared saunas use light waves to heat your body directly from the inside out, without significantly warming the surrounding air. This matters for a few reasons:

• Traditional sauna vs. infrared — temperature: Traditional saunas run hot (150-195°F). Infrared saunas typically sit between 120°F and 150°F. That lower ambient temperature makes infrared sessions more tolerable for longer periods, while still generating an intense, deep-tissue sweat.
• IR sauna vs. traditional sauna — energy use: Infrared panels only need to heat themselves, not an entire room of air. They reach operating temperature in 10-15 minutes and draw significantly less electricity than a steam generator running continuously. For home installations, this is a major practical advantage.
• Infrared vs. steam sauna — sweat quality: This one surprises people. Yes, both sauna sessions make you sweat, but the sweat is different. Infrared induces a deep, tissue-level sweat as the heat penetrates several inches below the skin. Steam rooms produce surface sweat, which is also mixed with condensation from the humid air. Many health practitioners suggest the deeper sweat generated in infrared sessions may support more effective detoxification, though both modalities offer real value.

Sauna vs. Steam Room Benefits: What Does the Research Show?

When it comes to steam room and sauna benefits and disadvantages, both are genuinely good for you; they just target slightly different systems.

• Cardiovascular health: This is where both shine equally. Studies published in JAMA Internal Medicine have linked regular sauna use to meaningful reductions in blood pressure and improved vascular function, with physiological responses comparable to mild aerobic exercise. A 2021 study found that regular steam bath sessions also reduced both systolic and diastolic blood pressure in healthy subjects. The benefits from steam room use on heart health are well-documented.
• Relaxation and cortisol: Here’s something most articles skip over. Heat exposure doesn’t just reduce stress in a vague, feel-good way. It triggers a biphasic cortisol response. Short-term, your cortisol spikes as your body responds to heat stress. Long-term and with regular use, cortisol levels drop, and your nervous system shifts toward the parasympathetic (rest-and-digest) state. This is why sauna regulars often report dramatically better sleep and a general sense of calm. Steam rooms have an edge for respiratory relaxation; the humid heat opens airways and clears sinuses. Infrared saunas have the edge for deep muscular relaxation, with the heat penetrating joints and soft tissue directly.
• Chronic pain or an autoimmune condition: Clinical research on infrared therapy for conditions like rheumatoid arthritis suggests that the deep tissue penetration can reduce systemic inflammation without the intensity of traditional high heat, making infrared a gentler, more accessible option for people managing conditions like Hashimoto’s thyroiditis, where heat sensitivity can be a concern.

The sauna disadvantages worth knowing: on the downside, traditional saunas aren’t ideal for people with low heat tolerance, and steam rooms can aggravate certain skin conditions due to the moisture. Neither should be used during illness or by people with certain cardiovascular conditions without medical guidance.

What Do 10 Minutes in a Steam Room vs. a Sauna Room Actually Do?

Whether you step into a steam room vs. a sauna room, the first 10 minutes follow a similar script. Your skin temperature rises within the first two minutes, blood vessels dilate to push more blood to the surface, and your sweat glands activate. By the 8-10 minute mark, your heart rate has climbed noticeably, and your muscles are beginning to loosen.

10 minutes is the ideal starting point for beginners in either environment, long enough to get the cardiovascular and relaxation benefits, short enough to avoid overdoing it. Standard session recommendations cap out at 20 minutes, and experienced users rarely go beyond that in a high-heat traditional sauna. The same basic guidelines apply whether you’re in an infrared model or a traditional wood-lined room.

So, Is a Sauna or a Steam Room Better?

The sauna or steam room debate doesn’t have a universal winner. What matters is your goal. 

→ Choose a steam room if you want respiratory relief, want to support skin hydration or prefer the sensation of moist heat. 

→ Choose a traditional sauna if you enjoy intense dry heat and want the classic Finnish experience with deep, powerful sweating.

→ Choose an infrared sauna if you’re managing chronic joint pain, have autoimmune sensitivity, want energy-efficient home ownership or simply want the same core benefits at a lower ambient temperature and a longer, more comfortable session.

For most people building a home wellness routine, an infrared sauna offers the best combination of health benefits, practical usability and everyday convenience. Browse our full sauna collection to find the right fit, and if you’re also considering a cold plunge to pair with heat therapy, that option is worth a look, too.

FAQs – Frequently Asked Questions 

What is the main difference between an infrared sauna and a steam sauna? 

An infrared sauna uses light waves to heat your body directly from within, while a steam sauna heats the surrounding air using moisture. This means infrared delivers a deeper, tissue-level heat at lower ambient temperatures, whereas steam creates a hot, humid environment that warms you from the outside in.

Which is hotter: an infrared sauna or a steam sauna? 

Infrared saunas typically run between 120°F and 150°F, making them hotter in terms of actual air temperature than steam saunas, which sit around 110-120°F. That said, steam saunas feel intensely hot because 100% humidity prevents sweat from evaporating; your body can’t cool itself, so the perceived heat is much higher than the thermometer suggests.

Do infrared saunas make you sweat as much as steam saunas? 

Yes, and often more. Infrared heat penetrates several inches below the skin, triggering a deep, tissue-level sweat. Steam rooms produce surface sweat, which is also diluted by condensation from the humid air. Many users find they sweat more heavily in an infrared session despite the lower room temperature.

Which sauna is better for relaxation? 

Both are excellent, but in different ways. Steam rooms have the edge for respiratory relaxation; the humid heat opens airways, clears sinuses and soothes the upper respiratory tract. Infrared saunas are better for deep muscular and joint relaxation, with the heat reaching soft tissue directly. Both trigger a long-term reduction in cortisol with regular use, supporting better sleep and a calmer nervous system overall.

Are infrared saunas more energy-efficient than steam saunas? 

Significantly. Infrared panels only need to heat themselves, reach operating temperature in around 10-15 minutes, and draw far less electricity than a steam generator that must continuously boil water to maintain humidity. For home installations, this difference adds up quickly both in energy costs and in convenience.