Redwood Outdoors Duo Outdoor 2-Person vs Clearlight Premier IS-2
Clearlight Premier IS-2 leads on our weighted scoring by 1.2 points over Redwood Outdoors Duo Outdoor 2-Person. Clearlight Premier IS-2 costs $100 less — about 2% — so the question is whether what Redwood Outdoors Duo Outdoor 2-Person adds is worth that to you. They separate most on price (Clearlight Premier IS-2), overall score (Clearlight Premier IS-2) and type — those are the rows worth reading closely. In short: Clearlight Premier IS-2 for best-value indoor infrared from a trusted brand; Redwood Outdoors Duo Outdoor 2-Person for couples with small backyards or patios.
Heater power:Redwood Outdoors Duo Outdoor 2-Person
| 2 products |  Redwood Outdoors Redwood Outdoors Duo Outdoor 2-Person |  Clearlight Clearlight Premier IS-2 |
|---|---|---|
| Price | $5,899 | $5,799 |
| Overall score | 7.5 | 8.7 |
| Type | Traditional electric (dry heat or steam over rocks) | Far-infrared |
| Heater power (kW) | 6kW Harvia KIP included; upgrades to 8kW Harvia or 9kW Homecraft | ~2.2 kW |
| Max temperature (°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 | Canadian Thermowood (heat-treated hemlock) | Cedar or basswood |
| Warm-up time (min) | — | 20–30 min |
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Redwood Outdoors
Redwood Outdoors Duo Outdoor 2-Person
Best for Couples with small backyards or patios
$5,899
Clearlight
Clearlight Premier IS-2
Best for Best-value indoor infrared from a trusted brand
$5,799$6,299
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