Redwood Outdoors Duo Outdoor Sauna 2-Person

  • Electric stove
  • 2 people
  • Up to 186-194°F
  • 240V hardwired

SVT Score, Top

Versus
5.9
SVT SCORESRead review

A two-person outdoor sauna in thermally modified hemlock with a 6 kW Harvia stove and a shingled roof.

$4,899

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SKU: SN-QBU-H2K002F Category: Brand:

Usability

5.9 out of 10
  • Options: 8 kW and 8 kW Wi-Fi Harvia KIP packages offered as upgrades
  • Searched: UL Intertek CSA CPSC Health Canada
  • Record: UL Product iQ, KPSX Sauna Heating Equipment (UL 875), holder-level row (abridged guest view shows no model); harvia.com lists 'Certificates UL' for KIP JH60BU1UL / JC60B2401, Harvia Finland Oy
  • Other heater parts: Harvia covers parts other than the elements for five years, residential

Strengths

  • Reaches the full sauna temperature limit
  • Thermally modified hemlock throughout
  • Shingled roof covering comes with it
  • Small footprint suits a patio or balcony
  • Delay timer starts the stove ahead of time

Drawbacks

  • Short warranty with labour not covered
  • Insulation is not stated by the maker
  • Small inside and roomy for only one
  • Store pages make wellness claims we do not assess
  • Needs a hardwired high-voltage line and an electrician
Verdict

A small, hot backyard sauna for two, but it needs an electrician

Social score

6.5 out of 10
RedditProduct-line6 out of 10
  • r/Sauna: an owner of the Mini Cube, the earlier two-person model, reports about 20 minutes to 160°F in a cold climate and daily use for six months (Feb 2025)
  • r/Sauna: a Mini Cube owner says it struggles to get hot and hold temperature (May 2026)
Google7 out of 10
Liked
  • stylish design
  • fits two comfortably
  • heat performance
Read the full summary

Fortune's tester rates the Duo 4 of 5 overall for its design, room for two and heat (Jun 2026)|Garage Gym Reviews names the Duo its best outdoor home sauna at 3.9 of 5, with heat performance at 5 of 5 (Jan 2026)

YouTubeNot scored

The YouTube pool is blank: the testers found either repeat a written review already counted in the Google pool or carry a Redwood affiliate code (November 2026).

AmazonNot scored

The Amazon pool is blank: no Amazon US listing of a Redwood Outdoors sauna was found (November 2026).

User reviewsNot scored

The retailer pool is blank: no Walmart, Home Depot, Lowe's, Best Buy, REI or Costco listing of its saunas or plunges was found (November 2026).

Trustpilot

Trustpilot shows 4.2 from 187 reviews, 70% five-star and 12% one-star, on a claimed page that invites reviews (April 2026).

Track record
  • BBB rates the business B and not accredited, with 8 complaints in three years (November 2026).
  • No CPSC or Health Canada recall naming its saunas or cold plunges was found (November 2026).
Not countedExcluded
  • Not counted in any pool: the brand's own store reviews, its YouTube channel, its ambassadors and any page carrying its affiliate codes.
  • The retailer pool is blank: no listing of this sauna was found at Walmart, Home Depot, Lowe's, Best Buy, REI or Costco (November 2026).

Specs

  • TypeTraditional
  • HeaterElectric stove
  • FormCabin
  • PlacementOutdoor
  • Seats2 people
  • Max Temperature186-194°F
  • Min TemperatureNot applicable
  • Capacity (Gallons)Not applicable
  • ChillerNot applicable
  • HeatsNot applicable
  • Water CareNot applicable
  • Power Supply240V hardwired
  • EMF MeasuredNot measured
  • CertificationsComponent listing only
  • Warranty1 Year

Not published by Redwood Outdoors: emf claimed.

Not checked: The price of each heater upgrade

At a glance

  • Sits on two cradles
  • 910 lb
  • Felt sauna hat
  • Red Rock Outdoors Co., a Wyoming corporation, trades as Redwood Outdoors under its terms of service.
  • The company is based in Kent, Washington, where it keeps its warehouse.
  • The REDWOOD OUTDOORS trademark, registration 7319444, belongs to Red Rock Outdoors Co. of Tukwila, Washington.
  • Redwood Outdoors sells saunas and cold plunges from a two-person indoor cabin to an eight-person outdoor sauna and two heated cold plunges.
  • The brand sells through its own online store, showrooms in Seattle, Santa Monica and Salt Lake City, and a few dealers that display its saunas.
  • No Redwood Outdoors store or listing was found on Amazon US in November 2026.

The Redwood Outdoors Duo is a two-person outdoor sauna in thermally modified Canadian hemlock on two cradles, with a tempered glass door and asphalt shingles. It comes with a 6 kW Harvia KIP electric stove and its stones, and the maker rates its heaters to 194°F.

The stove has manual dials with a delay timer of up to 8 hours and must be hardwired to a 240 V, 30 A circuit by a licensed electrician. It measures 50.75 by 62.75 by 82.75 inches outside, gives 109.1 cubic feet inside, has 1.5-inch walls and weighs 910 lb.

8 kW and 8 kW Wi-Fi heater packages are offered as upgrades, and a towel peg, a doormat and a felt sauna hat come with it.

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