Infrared vs Traditional Sauna: Differences, Pros and Cons

What is the difference between an infrared sauna and a regular sauna?

A traditional sauna, often called a Finnish sauna, uses an electric stove (or wood stove) that heats the room air and a basket of rocks. Hot air transfers heat to your skin by convection. Ladling water onto the stones creates a short burst of steam, known in Finnish as löyly, that raises humidity and makes the room feel hotter.

An infrared sauna replaces the stove with infrared emitters: carbon fiber panels, ceramic elements, or a full spectrum mix that adds near infrared lamps. Infrared radiation is the same kind of energy you feel from sunlight or a campfire. It warms the skin and surfaces it strikes, so the cabin air does not need to be as hot for you to sweat.

Typical operating ranges reflect that. Cleveland Clinic gives 110-135°F (43-57°C) for infrared and 150-195°F (66-91°C) for traditional saunas. Harvard Health notes that in a traditional dry sauna, skin temperature rises to about 104°F (40°C) within minutes.

How does an infrared sauna work?

An infrared heater converts electricity into radiant heat. Mayo Clinic describes it simply: an infrared sauna heats your body directly without warming the air around you. In practice the air does warm up, because the walls, benches and occupants all absorb and re-radiate heat, but it stays well below traditional temperatures.

The heater type changes how that feels:

• Carbon fiber (far infrared) panels are large and run at low surface temperatures, spreading gentle heat over the back and legs.
• Ceramic heaters are smaller and hotter, giving more concentrated warmth.
• Full spectrum cabins add near infrared lamps or red glass heaters alongside carbon panels. The near vs far infrared guide explains the wavelength bands.

A far infrared sauna works the same way; "far infrared" is the trade name for the long-wavelength output of carbon and ceramic heaters.

Infrared sauna vs traditional sauna: side-by-side comparison

Both types fall under the international safety standard IEC 60335-2-53, which covers sauna heating appliances and infrared emitting units up to 20 kW and now includes infrared cabins. In the US, codes such as the California Mechanical Code require electric sauna heaters to comply with UL 875.

Dry sauna vs infrared sauna: are they the same?

No. "Dry sauna" usually means a traditional electric-stove sauna used without water on the rocks, so it stays hot (often 160-195°F) with low humidity. An infrared sauna is also dry, but it reaches you through radiation at much lower air temperatures. If you compare a dry sauna vs infrared sauna for comfort, the infrared cabin feels milder on the face and lungs, while the dry sauna feels more intense from the moment you open the door.

A steam room is a third category: near 100% humidity at around 110-120°F. Our sauna vs steam room guide covers that comparison.

Do infrared saunas work?

They do what a sauna is supposed to do physically: raise skin and core temperature, increase heart rate and make you sweat. Mayo Clinic says infrared saunas produce reactions similar to those of moderate exercise, such as vigorous sweating and increased heart rate, at lower temperatures than a regular sauna, which makes them an option for people who cannot tolerate high heat.

Whether they deliver specific health benefits is a separate question. The same Mayo Clinic answer notes that studies show some evidence of benefit for conditions such as high blood pressure and heart failure, but that larger, more rigorous studies are needed, and that some of the research used traditional saunas. Cleveland Clinic similarly says more research is needed on infrared saunas.

Infrared vs traditional sauna health benefits: what does research show?

The strongest long-term data come from traditional Finnish saunas. A 2015 study in JAMA Internal Medicine followed 2,315 middle-aged Finnish men for a median of 20.7 years. Men who used a sauna 4-7 times a week had a lower risk of sudden cardiac death and all-cause mortality than men who went once a week. It was an observational study, so it shows an association, not proof that saunas caused the difference.

Infrared research is smaller and mostly short-term, often involving small groups of patients. That does not mean infrared saunas offer nothing; it means claims should stay modest. Common, reasonable descriptions of either type include relaxation, warmth for tired muscles and a quiet routine. For a fuller review, see infrared sauna benefits, risks and safety.

A few claims deserve skepticism:

• Detox. Sweat is mostly water and salt; the liver and kidneys do the body's detoxification.
• Weight loss. Weight lost in a session is mainly water and returns when you rehydrate. Our sauna weight loss guide covers the evidence.
• Red light benefits. Red light panels added to a cabin are a separate technology with their own, still-developing evidence base.

This article is general information, not medical advice. People who are pregnant, have heart disease, low or high blood pressure or other conditions should talk to a doctor before using a sauna.

Infrared sauna pros and cons

Infrared pros

• Lower air temperature that many people find easier to tolerate
• Short warm-up and lower power draw
• Many small models run on a dedicated household circuit
• Flat-pack panels that fit apartments, basements and home gyms
• No rocks, water or ventilation planning for steam

Infrared cons

• No steam and less of the classic "hot room" experience
• Smaller research base than traditional saunas
• Heat is directional, so seating position matters
• Marketing claims (full spectrum, EMF, wellness) need checking

Traditional pros: intense heat, adjustable humidity, social bench layout, decades of research. Traditional cons: higher power draw, a dedicated 240V circuit in most cases, longer warm-up, and more installation work.

Infrared sauna vs Finnish sauna: which should you choose?

Use these questions to decide:

1. Do you enjoy very high heat and steam? If yes, a traditional Finnish sauna is the better match.
2. What electrical supply do you have? If adding a 240V circuit is costly, a 120V infrared cabin is the practical route. Check the sauna electrical requirements guide and browse 120V plug-in saunas.
3. Where will it go? Indoors in limited space favors infrared; backyards favor traditional barrel or cabin saunas.
4. How long do you want to sit? Lower infrared temperatures let many people sit longer; for traditional saunas, Harvard Health advises no more than 15-20 minutes per session.
5. Do you want both? Hybrid cabins combine infrared panels with an electric stove, at the electrical cost of a traditional sauna.

What should B2B buyers stock: infrared or traditional?

For distributors and retailers, the answer is usually both, weighted by channel. Infrared saunas suit e-commerce and home retail because they ship compactly and many run on household circuits. Traditional electric-stove saunas suit hotels, gyms, spas and outdoor installations, where an electrician is already involved. See commercial saunas for high-traffic options.

A practical starter range anchors on two or three infrared models in different sizes, adds one or two traditional indoor cabins, and tests an outdoor model where backyard demand exists. Mars Sauna builds both types, with carbon fiber, red glass full spectrum and ceramic infrared heaters, electric stoves of roughly 3.5-6 kW on listed models, and most cabins offered in 110-120V or 220-240V builds.

Pre-order checklist

• Certification marks on each model (for example ETL or CE) and the standard each was tested to
• Voltage, plug type and amperage for the destination market
• Heater count, wattage and placement drawings
• Wood species and grade for walls, benches and backrests
• Packaging and carton specification
• Spare parts list: emitters, stove elements, control boards, glass doors
• Assembly manual and wiring diagram in your market's language
• Listing copy that describes temperatures and features, not health outcomes

Key takeaways

• Infrared saunas warm the body directly at about 110-135°F (43-57°C); traditional saunas heat the air to about 150-195°F (66-91°C) and allow steam.
• Infrared saunas work physically, causing sweating and a raised heart rate, but most long-term health research comes from traditional saunas.
• "Dry sauna" usually means a hot traditional sauna without water, not an infrared cabin.
• Electrical supply and heat preference are the two biggest deciding factors.
• Treat detox and weight-loss claims with caution for either type.

Want help choosing a mix of infrared and traditional models for your market? Contact our export team with your channel and voltage.

Frequently asked questions

Sources

1. Cleveland Clinic: Infrared Sauna Benefits
2. Mayo Clinic: Do infrared saunas have any health benefits?
3. Laukkanen et al., JAMA Internal Medicine 2015: Sauna bathing and fatal cardiovascular and all-cause mortality
4. Harvard Health: Saunas and your health
5. IEC 60335-2-53: Sauna heating appliances and infrared cabins
6. California Mechanical Code 939.1: Electric sauna heaters (UL 875)