Clearlight Premier IS-2 scores highest overall, while Redwood Outdoors Alcove Indoor 2-Person is the most affordable. These products suit different buyers, so weigh the criteria that matter most for your setup rather than the headline score alone.
| 2 products | ![]() Redwood Outdoors Redwood Outdoors Alcove Indoor 2-Person | ![]() Clearlight Clearlight Premier IS-2 |
|---|---|---|
| Price | $4,299 | $5,799 |
| Overall score | 7.8 | 8.7 |
| Type | Traditional electric (Finnish-style, water-over-rocks steam) | Far-infrared |
| Heater power (kW) | 6kW Harvia KIP included; upgrades to 8kW Harvia or 9kW Homecraft | ~2.2 kW |
| Max temperature (°F) | Up to 194°F | 125–145 °F |
| Capacity (persons) | 2 persons | 2 persons |
| Voltage | 240V heater, 120V lighting | 120V / 20A (config) |
| Amperage (A) | 30A (6kW base) / 40A (8kW upgrade) | 20 A |
| Wood | Heat-treated, FSC-certified hemlock | Cedar or basswood |
| Warm-up time (min) | — | 20–30 min |
Redwood Outdoors
Best for Converting a spare corner of a home gym or bathroom into a traditional sauna
Clearlight
Best for Best-value indoor infrared from a trusted brand
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