Infrared vs Traditional Sauna

Research differences, experience factors, and how to choose.

How Infrared and Traditional Sauna Heat Differ

Traditional saunas heat the air; infrared saunas use radiant heat to warm your body directly. That difference drives installation requirements, room size, and the kind of heat you feel. We break down both and what it means for your build or purchase.

Research & Health Evidence

Most long-term cardiovascular and longevity research has been done on traditional (Finnish-style) sauna — for example Laukkanen et al., JAMA Internal Medicine (2015). We summarize what applies to infrared and where evidence gaps remain. For the full health picture, see sauna health benefits ; for temperature context, see how hot a sauna should be .

Experience, Cost & Installation

Each option has different space needs, running costs, and feel. We compare installation, maintenance, and what to expect in the room so you can choose. Building your own? Check our backyard sauna build guide.