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Backyard Review

Hot Tubs & Wellness · Sunlighten

Sunlighten infrared saunas (Signature, Amplify, mPulse)

A big-name infrared line aimed at indoor placement, plus a portable option.

Price tier 4 of 4:Over $1,500Compare saved products →

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Sunlighten infrared saunas (Signature, Amplify, mPulse) at a glance

What we like

  • Several cabin lines (Signature, Amplify, mPulse) plus a portable Solo System
  • Residential warranty of seven years on cabinetry and heaters, three on controls, one on glass doors and audio, per the maker
  • The Amplify line is marketed as reaching up to about 170°F in ideal conditions, hotter than many infrared cabins

Trade-offs

  • The maker says its saunas aren't designed to be placed outdoors, and a sauna cover is required for the warranty if you do
  • Premium pricing, with several tiers to compare
Best for
Garage, basement, spare-room or covered-porch infrared saunas.
Skip it if
You want a sauna that sits uncovered in the yard.
See it at SunlightenSpecs checked against the maker's page · Oct 2026

Specs on this page were checked against the maker's own product page; the date is shown beside the buy buttons. This is research-based, not a hands-on review. See how we pick products.

Where it appears in our guides

  • A well-known indoor infrared line

    Infrared vs. Traditional Saunas

    Sunlighten sells cabin saunas (Signature, Amplify and mPulse) plus a portable Solo System. The residential warranty is seven years on cabinetry and heaters, three on controls and one on glass doors and audio. The maker says its saunas aren't designed for outdoor placement and that a sauna cover is required for the warranty if you put one outside.

    Guide updated · Read the full guide

Compare with

Other products that show up alongside it in our guides.