Signature III

Signature III

3 person sauna

Share your infrared sauna experience or stretch out on your own in Sunlighten’s Signature III home sauna. The Signature III seats up to three people, with a comfortable, multi-function bench that can be removed to maximize room for stretching or yoga. Ten heaters deliver a variety of sauna benefits, including lowered blood pressure, detoxification, and weight loss, and a programmable timer allows you to ensure that your sauna is heated and ready to go when you are. The Signature III is built with commercial grade construction methods and features eco-friendly wood options available in both basswood and western Canadian cedar.

  • Solocarbon® heaters deliver the highest concentration of far infrared heat available, proven 95% effective
  • Ultra low EMF technology ensures ultimate safety
  • Patented Magne-Seal™ assembly process for easy set up
  • Programmable timer & continuous use options for convenience
  • Available in basswood, cedar



Signature III Specifications

Exterior: 62.3″ x 45.9″ x 77.6″
Interior: 56.7″ x 40″ x 70.2″
Bench: 56.6″ x 20″ x 19″

Heaters: 10

Sauna Weights: 

  • Basswood – 569 lbs
  • Cedar – 569 lbs

Electrical: 120V 2250W 20A
NEMA 5-20R, 5-20P,
dedicated 120V 20A circuit and outlet required.

Compare Far Infrared Saunas

Signature I

37.8″ W
39.8″ D

77.5″ H
28″ Door Width

Signature II

51″ W
46.1″ D

77.5″ H
28″ Door Width

Signature III

62.4″ W
46.1″ D

77.5″ H
28″ Door Width

Signature IV

80.9″ W
56.1″ D

77.5″ H
28″ Door Width

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