Full spectrum infrared combines all three infrared wavelengths, near, mid, and far, in a single cabin, so one sauna covers the full range of benefits instead of just one.
What each wavelength does
- Near infrared: works at the skin surface and is linked with skin tone and surface recovery.
- Mid infrared: penetrates a little deeper to warm soft tissue, often used for circulation and muscle recovery.
- Far infrared: the deepest, gentlest heat, and the workhorse behind a comfortable, sweat-inducing session.
Most full spectrum models pair low-EMF far infrared panels with dedicated near and mid emitters, and many add red light therapy. Compare the 2 and 4 person cabins below, or step over to low EMF infrared saunas if far infrared alone is all you need.
Full Spectrum Infrared Saunas FAQ
Curious about full spectrum infrared saunas? Here are the most common questions on how full spectrum works, its benefits, and how it stacks up against far infrared.
What is a full spectrum infrared sauna?
A full spectrum infrared sauna emits all three types of infrared, near, mid, and far, in one cabin.
Each wavelength reaches a different depth, so a single session can support your skin, circulation, and deep tissue at once. That makes it the most complete type of infrared sauna.
What are the benefits of a full spectrum infrared sauna?
It offers the broadest range of benefits because it combines all three wavelengths:
- Near infrared: skin renewal and cellular repair
- Mid infrared: eased muscle tension and better circulation
- Far infrared: deep, detoxifying sweat
Users commonly report better recovery, relaxation, sleep, and skin tone with regular use.
What is the difference between a far infrared and a full spectrum sauna?
A far infrared sauna emits only long far-infrared wavelengths; a full spectrum sauna adds near and mid infrared on top.
Far infrared gives deep core heat and a strong sweat. Full spectrum does all of that, plus the skin and circulation benefits a far-infrared-only model cannot.
Can a full spectrum sauna include red light therapy?
Yes.
The near-infrared in a full spectrum sauna overlaps with red light therapy, and many of our models also add a dedicated red light panel for more targeted skin and recovery benefits. If that matters to you, look for saunas listing a built-in LED panel.
Should I choose a 2 person or 4 person full spectrum sauna?
It comes down to your space and how you will use it.
- 2 person: ideal for couples or smaller rooms
- 4 person: room for families, or to lie down and stretch out
This collection includes both, so it is easy to find the best full spectrum sauna for your home.
Not sure which sauna is right for you?
Our buying guide covers the key things to consider, including sauna type, size, heater options, installation, and budget, so you can make a confident choice for your home.

