Mande Spa MW12 Outdoor Sauna

Description

Bring the ancient tradition of European sauna culture to your own backyard with the Mande Spa USA MW12 ThermoWood Outdoor Sauna. Designed for 2 to 3 people and handcrafted in Lithuania by skilled sauna artisans, the MW12 is the most compact model in the Mande Spa collection -- and a perfect example of how a small footprint and genuine luxury can coexist.

 

Every detail of the MW12 has been purposefully engineered for year-round outdoor living. The rounded cube design delivers a clean, modern silhouette that fits naturally into any backyard, patio, or deck, while Scandinavian ThermoWood construction ensures the structure stays beautiful and performs flawlessly through every season -- harsh winters, scorching summers, and everything in between.

 

ThermoWood is not ordinary lumber. It is sustainably sourced Scandinavian timber that has been thermally modified at extreme temperatures in a chemical-free process, making it naturally resistant to rot, warping, cracking, and decay. The result is a wood that is denser, more stable, and far more durable outdoors than untreated wood -- without any chemical preservatives. Safer for your family and better for the environment.

 

Inside, the MW12 wraps you in warmth with ThermoWood benches on two levels, soft LED under-bench lighting, and the clean natural scent of quality wood. Tempered glass panels on the door and windows flood the interior with natural light while maintaining heat and privacy. An integrated ventilation system keeps the air fresh and heat consistent. A bituminous shingle roof shields the structure from rain, snow, and UV exposure year after year.

 

The MW12 ships as a flat-pack kit in a secure crate and assembles with standard tools using the detailed, step-by-step installation guide included with every unit. No heavy equipment, no specialized labor, no guesswork.

 

Mande Spa USA is the American branch of Mande Wood (UAB Seilas), a leading European wellness manufacturer headquartered in Lithuania with a long-standing reputation for quality across Europe. Their products are sold through authorized resellers across the United States and through their own distribution network throughout Europe at mandespa.eu. Every sauna is designed and built by artisans who combine generations of sauna tradition with modern precision engineering.

 

Backyard Prime Living is an authorized reseller of Mande Spa USA. Every purchase comes with full manufacturer warranty support and our commitment to extraordinary customer care.

 

NOTE: All saunas ship via LTL freight carrier as curbside delivery. A heater is not included in the base unit. Heater options are available as an add-on at time of order. A certified electrician must complete all heater installations.

 

 

Features

• Handcrafted in Lithuania by Expert Sauna Artisans -- Built by skilled craftsmen who combine generations of European sauna tradition with modern engineering precision. Every joint, panel, and detail reflects that care.
• Sustainably Sourced Scandinavian ThermoWood Construction -- Thermally modified through a chemical-free heat-treatment process that makes the wood naturally resistant to rot, warping, cracking, and decay. No chemical preservatives. Safe for families and eco-responsible by design.
• Compact Footprint, Full Comfort for 2 to 3 People -- At 83.1 in wide by 46.9 in deep, the MW12 fits on decks, patios, and smaller outdoor spaces where a larger sauna simply would not. Interior bench width of 39 in delivers genuine comfort in a space-efficient design.
• Rounded Cube Modern Design -- Softly rounded corners, a flat roof, and a contemporary silhouette that pairs naturally with modern homes and outdoor living spaces.
• Tempered Glass Door and Windows -- Multi-pane tempered glass on the door (25.6 in wide x 69.7 in tall) and side windows provides natural light, visual elegance, and durability built for outdoor conditions year after year.
• LED Under-Bench Lighting -- Warm LED strips installed beneath the ThermoWood benches create a calming, spa-like ambiance for any time of day or evening.
• Two-Level ThermoWood Interior Benches -- Upper bench (17.7 in deep) and lower bench (10 in deep), both 39 in wide, accommodate seated and reclined positions for 2 to 3 users comfortably.
• Integrated Ventilation System -- Promotes steady airflow across the interior to maintain consistent heat distribution and optimal sauna conditions.
• Bituminous Shingle Roof -- Weather-resistant roof tiles protect against rain, snow, moisture infiltration, and UV degradation through all four seasons.
• 1.7 in ThermoWood Wall Construction -- Substantial wall panels provide excellent thermal retention while keeping the overall footprint compact.
• Precision Joinery Construction -- Traditional woodworking techniques deliver tight, stable joints that hold up under repeated thermal expansion and contraction cycles.
• Flat-Pack Kit Delivery -- Ships in a secure OSB crate on a skid. Assembles with standard tools using the included build guide. No heavy equipment needed.
• Step-by-Step Build Guide Included -- Specific to the MW12, making self-assembly achievable for most homeowners.
• Year-Round Outdoor Use -- ThermoWood and bituminous roofing are engineered for all-climate performance, from frozen winters to humid summers.
• Low Maintenance -- Long-lasting ThermoWood means you spend more time relaxing and less time on upkeep.
• Heater Options Available at Time of Order:
  • Harvia Kip 6.0kW with built-in controller
  • No Heater (structure only)
• Expected Heat Up Times: Approximately 25-35 minutes
• 5-Year Warranty on Structure -- Backed by Mande Spa USA manufacturer warranty.
  

 

What's Included

INCLUDED IN THE CRATE:

• MW12 ThermoWood Outdoor Sauna Kit (all structural panels, walls, floor, roof)
  
• Tempered glass door assembly (25.6 in wide x 69.7 in tall opening)
  
• Tempered glass side window panels
  
• LED under-bench lighting
  
• ThermoWood upper and lower interior benches
  
• Bituminous shingle roof system
  
• Integrated ventilation components
  
• Stainless steel fasteners, hinges, and hardware
  
• MW12 Build Guide (step-by-step assembly instructions)
  
• MW12 Floor Plan (engineering dimension drawings)
  
• If heater option selected at order: Harvia electric or wood-burning heater unit

 

NOT INCLUDED / SOLD SEPARATELY:

• Sauna heater (unless selected as add-on at time of order)
  
• Heater stones (if applicable to selected heater model)
  
• Electrical wiring and dedicated 240V circuit (must be installed by a certified electrician)
  
• Foundation or base platform (concrete pad, deck frame, or compacted gravel base recommended -- not supplied)
  
• Cold plunge tub or hot tub (available separately from Mande Spa USA)
  
• Exterior weather or protective cover
  
• Aromatherapy accessories (ladle, bucket, essential oils)
  
• Thermometer or hygrometer

 

DELIVERY NOTE:
Ships via LTL (less-than-truckload) freight carrier. Curbside delivery only with liftgate service. White glove delivery and in-home placement are not offered. Delivered by appointment, Monday through Friday during standard business hours. Unit ships unassembled in a secure OSB flat-pack crate mounted on a skid. Inspect the crate before signing the delivery receipt. All shipping damage claims must be reported within 5 days of delivery -- note any visible damage as "subject to inspection" on the delivery receipt at the time of delivery.

 

Specifications

Manufacturer: Mande Spa USA (American branch of Mande Wood / UAB Seilas)
European Parent: Mande Spa / UAB Seilas, Siauliai, Lithuania
Model: MW12 ThermoWood Outdoor Sauna
Country of Origin: Lithuania
Sauna Style: Rounded cube outdoor sauna (flat-pack kit)
Collection: MW Series (MW12 / MW16 / MW20)

OCCUPANCY: Capacity: 2 to 3 people

EXTERIOR DIMENSIONS:
Overall Width: 83.1 in  (6 ft 11.1 in)
Overall Depth: 46.9 in  (3 ft 10.9 in)
Overall Height: 83.5 in  (6 ft 11.5 in)

INTERIOR DIMENSIONS:
Interior Width: 75.6 in  (6 ft 3.6 in)
Interior Depth: 37.4 in  (3 ft 1.4 in)
Interior Height: 83.5 in  (6 ft 11.5 in)
Interior Width: (wall to wall): 78.0 in  (includes bench-side wall measurement)

DOOR OPENING:
Door Width: 25.6 in
Door Height: 69.7 in

BENCH DIMENSIONS:
Bench Width (both): 39 in across interior
Upper Bench Depth: 17.7 in
Lower Bench Depth: 10 in
Upper Bench Height from floor: 47.2 in
Lower Bench Height from floor: 20.1 in
Bench support gap: 1.6 in off floor
Base/leg height: 3.5 in

ADDITIONAL INTERIOR MEASUREMENTS:
Distance bench face to glass wall: 15.7 in
Gap between benches: 2 in
Bench support depth: 10.2 in
Bench total height (upper surface): 47.2 in
Side section width: 21.7 in
Corner section: 16.5 in high x 34.3 in

WALL AND STRUCTURE:
Wall Thickness: 1.7 in (ThermoWood panel construction)
Floor/base thickness: 3.5 in (including leg/base height)

WEIGHT:
Assembled Weight: 1,390 lbs

MATERIALS:
Exterior and Structure: Scandinavian ThermoWood (thermally modified, chemical-free)
Interior Benches: ThermoWood (two-level: upper and lower)
Door and Windows: Tempered glass
Roof: Bituminous shingle tiles
Fasteners: Stainless steel hardware throughout
Lighting: LED under-bench lighting
Ventilation: Integrated passive ventilation system

HEATER RECOMMENDATION (add-on at time of order):
Electric: Harvia Kip 6.0kW with built-in controller
No Heater: Structure only

• Harvia KIP 6.0kW
  • Voltage: 240V
  • Phase: Single phase
  • Recommended Breaker: 30–40 Amp (verify per manual)
  • Wiring: Copper only
  • Sauna Room Size: Small to medium rooms

HEATER OPTIONS (add-on at time of order):

• Electric: Harvia Kip 6.0kW with built-in controller
• No Heater: Structure only

ELECTRICAL REQUIREMENTS (if electric heater selected):
Voltage: 240V AC
Amperage: Typically 30 Amp dedicated circuit (verify with selected heater model and local electrician)
Note: A certified electrician must install all heater wiring. Do not connect to a shared household outlet.

SHIPPING:
Ships Via: LTL freight carrier
Delivery Type: Curbside with liftgate -- by appointment Mon through Fri
Packaging: OSB flat-pack crate on a skid
Lead Time: 2-4 weeks

DURABILITY:
Weather Resistance: High resistance to moisture and decay
Climate Suitability: Year-round outdoor use in all climates

WARRANTY:
Structure: 5 years (Mande Spa USA limited manufacturer warranty)
Heaters / Accessories: All heater and accessory sales are final and non-refundable. Harvia heater warranty applies separately.
Warranty Exclusions: Improper installation or handling, unauthorized modifications, misuse, negligence, or intentional damage