
Clearlight
Clearlight Sanctuary 2
Best for Indoor full-spectrum infrared with the best warranty
- Type
- Full-spectrum infrared
- Max temperature
- 125–145 °F
- Capacity
- 2 persons

Plunge's first sauna pairs far-infrared panels with full-spectrum incandescent towers in a Canadian hemlock cabin for up to three people, reaching 160°F in the Standard configuration on a 120V/20A dedicated circuit with about an hour of assembly. Its 5-year cabinetry-and-heater warranty is the strongest in this group, though the Standard gives up the Pro's 175°F top end and optional red light panel, and heater wattage is not published.
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Plunge built its brand on cold water, and its infrared sauna extends the same convenience-first formula to heat. The Standard configuration priced here runs a dual system — far-infrared panels plus full-spectrum incandescent towers — to a stated 160°F, seats up to three, and is designed for fast indoor setup: roughly one hour of assembly and a dedicated 120V/20A circuit (NEMA 5-20), a common household circuit that spares most buyers an electrical project. The Canadian hemlock cabin claims a near-zero EMF rating with no toxic glues or resins, and the feature set is genuinely modern: app-controlled preheating and scheduling, a 360-degree chromotherapy LED ring, an ergonomic tilted backrest, and heat-rated Nakamichi Bluetooth speakers. Warranty coverage is 5 years on cabinetry and infrared heaters, 2 years on electronics and controls, and 1 year on glass and power supplies — the best published terms in this segment.
The unknowns and trade-offs are worth naming. Plunge does not publish the heater wattage, so running cost has to be inferred from the 120V/20A circuit ceiling, and the Standard tops out at 160°F — buyers who want the 175°F maximum, faster heat-up, or the optional red light therapy panel must step up to the 240V Pro model. Delivery adds $250 curbside in the lower 48, and Plunge's own assembly service is an $880 add-on. Within those limits, the Standard is one of the easiest full-size infrared cabins to actually get running in a US home, backed by a nationwide repair network and US-based support.
Installation
Indoor assembly in approximately 1 hour, plug-and-play on a dedicated 120V/20A outlet; optional professional assembly service ($880); $250 curbside delivery in the lower 48
Electrical
120V, 20A dedicated circuit (NEMA 5-20)
Running cost
Wattage unpublished; draw is capped by the 120V/20A dedicated circuit, in line with other infrared cabins
Warranty
5 years cabinetry and infrared heaters; 2 years electronics and controls; 1 year glass and power supplies
See this product side by side with its closest rivals.
The manufacturer documentation, independent reviews and retailer listings this review draws on, with the date each was last checked.

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