Infrared vs Traditional Sauna: The Honest Comparison

Both deliver the core benefit of sauna use, a deep, relaxing sweat, but they get there in very different ways. The right choice depends on the heat experience you want, where you can install it, and what you are willing to spend to buy and run it.

How does each sauna actually heat you?

A traditional sauna heats the air. An electric or wood stove warms a pile of rocks to 160–200°F, and you can throw water on the rocks to create a burst of steam (löyly) that spikes the humidity and the felt heat. You are sitting in genuinely hot air.

An infrared sauna heats you. Infrared panels emit radiant heat that your body absorbs directly, like standing in sunshine, so you sweat hard while the surrounding air stays a mild 110–140°F. There are no rocks and no steam.

Which one makes you sweat more?

Both produce a heavy sweat, but the experience differs. Traditional saunas bring on sweat quickly through hot, often humid air, and the steam makes it feel more intense. Infrared brings on a slower, sustained sweat at a temperature most people find easier to sit in for longer. If you dislike the feeling of very hot air in your lungs, infrared is usually more comfortable.

What about the health benefits?

The clearest, best-studied benefits, cardiovascular and relaxation effects linked to regular heat exposure, come from both types, and most of that research was done on traditional Finnish saunas. Infrared brands sometimes claim unique advantages (detox, specific wavelength effects); the evidence for benefits beyond general heat therapy is limited and still emerging, so treat strong "infrared is medically superior" claims with caution. For general wellbeing and recovery, the most important factor is simply using a sauna regularly, the type matters less than consistency. None of this is medical advice; if you have a heart condition or are pregnant, talk to a doctor before starting.

Infrared vs traditional: pros and cons

	Infrared sauna	Traditional sauna
Air temperature	110–140°F (gentler)	160–200°F (intense)
Steam / löyly	No	Yes (water on rocks)
Heat-up time	10–20 min	30–45 min
Install	120V outlet, indoors, small footprint	Often 240V; needs more space/ventilation
Running cost	Lower	Higher
The "classic" ritual	No	Yes
Best for	Easy, frequent, low-temp sessions	High-heat, steam, social sauna culture

Which is cheaper to run?

Infrared generally wins on power consumption. A 1–2 person infrared sauna often draws around 1.5–2.5 kW and reaches temperature fast, so a session costs roughly the price of running a couple of space heaters for 30–45 minutes. A traditional electric heater is typically 6–9 kW and takes longer to heat the room, so each session uses more electricity. Exact cost depends on your local rate and how long you preheat, but for daily use the infrared running-cost advantage adds up.

Which should you buy?

Choose a traditional sauna if you want the authentic, high-heat experience with steam, you have the space and 240V power (or want a wood-fired barrel sauna outdoors), and you value the ritual. Choose an infrared sauna if you want something that installs in a spare corner on a normal outlet, runs cheaply, and gives an easy, repeatable sweat, especially as a 1-person setup for solo daily use.

There is no universally "better" sauna, only the one you will actually use several times a week. Use the community ranking below to see which specific models owners rate highest in each category, then vote for the type you prefer.