Signature IV

Select this 4-person sauna for a spacious retreat.

With the push of a button, you’ll enjoy a deep cellular detox and support overall wellness in the sanctuary of your own personal home sauna. Surrounded in gentle far infrared heat, you’ll relax, boost your immune system, improve circulation, and naturally detoxify your body. A four-person sauna, the Signature IV sauna provides a place for one person to stretch out and relax, or up to four to enjoy some social wellness time together.

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Product Specifications


  • EXTERIOR


  • WEIGHT


  • HEATER


  • INTERIOR


  • ELECTRICAL


  • BENCH


Eucalyptus

  • Ultra Premium Appearance
  • Longevity and Durability
  • Sustainable/Green/Renewable

Care is taken to ensure consistency on each sauna but there can be slight variations in the color, grain, and texture of each wood compared to what is seen on our website. 

You want effective far infrared to help you feel better, simply and affordably. Here's what you'll experience with a Signature sauna:

Inside the cabin, peace is palpable. Close the door and enjoy your own escape from the world for a while—an escape that gifts you with renewed energy and healing for your mind, body and spirit. You can program the 24-hour timer to have your infrared sauna therapy experience ready whenever you’d like. Enjoy a productive pause in silence or play your ultimate playlist on your premium sound system while you recover. 

The Signature IV

This model is spacious enough for the whole family (it is safe for kids), or for you to stretch out and relax with some quality alone time. Sunlighten’s SoloCarbon® heaters deliver the highest quality and quantity far infrared heat available on the market, which means you get the most effective health benefits. Our technology design mitigates EMFs to a lower level than most common household items. The air is not suffocating or harsh, it’s a gentle, comforting warmth. The Signature IV seats up to four people, the only sauna that comes with a reclining bench that can be removed to maximize room for stretching or simple yoga poses alone. Our powerful Magne-seal locking method makes assembly easy and keeps the heat in with no unsightly screws or nails. Chromotherapy lighting enhances your home sauna experience using colors from the sun’s visible light spectrum to bring balance and mental wellbeing.

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