Redwood Outdoors Duo Outdoor Sauna x Denali Cold Plunge
Traditional
All 27 Redwood Outdoors saunas, with verified prices
- Capacity
- 2 persons
- Heater power
- 6 kW
- Warranty
- 1 yr
- Verified price
- see where to buy
Where to buy
No verified retail price yet.
We check retail listings on a weekly schedule; a price appears here as soon as one verifies. Until one does, the 2 person outdoor saunas page compares 19 models with a verified price.
Specifications verified July 12, 2026. How these numbers are checked.
Will it fit
- Footprint
- 50.75 x 62.75 x 82.75 in
- Placement
- Outdoor
- Plug-in or 240 V
- 240 V: needs a dedicated 240 V circuit, typically installed by an electrician.
- Circuit
- 240V / 30A, as the maker publishes it.The maker publishes a 30 amp circuit. Sized from the 6 kW heater by the 125 percent continuous load rule, the minimum is 35 amps on 8 AWG copper. NEC 422 gives the rating marked on a listed appliance authority over that calculation, so both figures can be right; your electrician decides which applies to your run.Check it on the calculator.
Key facts
- Running cost
- About $1.10 per one-hour session: a 6 kW heater at the US average residential rate of 18.31 cents per kWh (EIA, July 2026).
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Full specifications: capacity, heater power, warranty and 1 more, each with its source
| Capacity | 2 persons |
|---|---|
| Heater power | 6 kW |
| Warranty | 1 yr |
| Wood | Canadian Thermowood source |
Specifications read from the maker's product page on July 12, 2026: redwoodoutdoors.com. A row with its own source link was read from the page it links.
What these specifications mean, explained once: Infrared vs traditional sauna, Sauna dimensions by capacity, Costco sauna prices compared, Sauna breaker and wire size chart, Sauna heater sizing calculator, and Sauna running cost calculator.
How it measures against similar models: 1 trade-off
Trade-offs
- Ties for the lowest warranty of the 271 models that list one.
These are measurements against the rest of the database, not a verdict. Nothing else about this model reads as unusual for its class.
The 5 categories it is listed in
This model is listed in these categories:
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