Redwood Outdoors Summit Outdoor 6-Person vs Clearlight Premier IS-2
Clearlight Premier IS-2 leads on our weighted scoring by 1.2 points over Redwood Outdoors Summit Outdoor 6-Person. Clearlight Premier IS-2 costs $2,200 less — about 28% — so the question is whether what Redwood Outdoors Summit Outdoor 6-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 Summit Outdoor 6-Person for households and hosts who regularly sauna in groups.
Heater power:Redwood Outdoors Summit Outdoor 6-Person
| 2 products |  Redwood Outdoors Redwood Outdoors Summit Outdoor 6-Person |  Clearlight Clearlight Premier IS-2 |
|---|---|---|
| Price | $7,999 | $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, 9kW, or 10.5kW Virta Wi-Fi | ~2.2 kW |
| Max temperature (°F) | — | 125–145 °F |
| Capacity (persons) | 6 persons | 2 persons |
| Voltage | 240V heater, 120V lighting (208V 3-phase commercial on request) | 120V / 20A (config) |
| Amperage (A) | 30A (6kW base) / 40A (8kW) / 50A (10.5kW) | 20 A |
| Wood | Canadian Thermowood (heat-treated hemlock), FSC-certified | Cedar or basswood |
| Warm-up time (min) | Under 1 hour (stated) | 20–30 min |
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Redwood Outdoors
Redwood Outdoors Summit Outdoor 6-Person
Best for Households and hosts who regularly sauna in groups
$7,999
Clearlight
Clearlight Premier IS-2
Best for Best-value indoor infrared from a trusted brand
$5,799$6,299
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