Mande MW12 ThermoWood Outdoor Sauna | 376 lbs, Large Windows, LED, Choice of Harvia Heater | Free Shipping
Mande MW12 ThermoWood Outdoor Sauna | 376 lbs, Large Windows, LED, Choice of Harvia Heater | Free Shipping
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Add White-Glove Backyard Placement — a local two-person crew uncrates your item, carries it to your spot, places it, and hauls the packaging away. Placement $279 · Placement + Assembly $489. Hot tubs and saunas are quoted individually.
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The Mande MW12 is a ThermoWood outdoor sauna — large windows, LED lighting, ergonomic benches, and lava rocks included. It is available in four configurations based on your choice of Harvia KIP heater: 6kW or 8kW, with a standard built-in controller or WiFi. Starting at $6,599, the MW12 is the compact Mande model, suited to solo and small-group use.
Why Customers Choose This Product
- ThermoWood construction, exterior and interior — thermally modified wood built for outdoor use
- Choice of Harvia KIP heater — 6kW or 8kW, with a built-in controller or WiFi
- Large windows — natural light and outdoor views during use
- LED lighting for evening and low-light use
- Lava rocks included with all four configurations
- Compact Mande footprint — suited to solo and small-group use (1–3 people)
Product Highlights
ThermoWood Construction
ThermoWood is softwood — typically pine or spruce — that has been heat-treated in a controlled high-temperature process without chemical additives. The treatment reduces the wood's equilibrium moisture content, so it absorbs and releases moisture more slowly and to a lesser degree than untreated wood. The practical result for outdoor sauna construction: ThermoWood resists the warping, cracking, and dimensional movement that untreated softwood exhibits through repeated wet-dry and heat-cool cycles, and it has enhanced resistance to decay and insects. Its color darkens naturally through the heat treatment to a warm brown that weathers gracefully outdoors.
Choice of Harvia KIP Heater — 6kW or 8kW, Standard or WiFi
Four combinations let you match the heater to your use pattern and budget. The 6kW KIP is appropriate for smaller interior volumes and moderate-frequency use; the 8kW provides faster heat-up and higher sustained temperature. The WiFi controller adds remote preheat via the Harvia app — start the sauna from inside the house and arrive to a ready sauna. The built-in controller is a manual interface on the heater unit, and heat output is the same between control options at the same wattage. The KIP is Harvia's wall-mounted electric sauna heater in stainless construction.
Large Windows and LED Lighting
The MW12's large windows bring natural light into the interior and maintain a visual connection to the surrounding outdoor space — the difference between a sauna that feels enclosed and one that feels integrated with its garden or patio setting. LED lighting provides adjustable light for evening use or when natural light is limited.
376 lbs — Freight Delivery, Solid Construction
At 376 lbs, the MW12 ships freight and has the weight of solid ThermoWood construction throughout. A responsible adult must be present at delivery to receive and assist with positioning. Confirm driveway access and gate clearance before ordering.
Specifications
| Brand | Mande Sauna |
|---|---|
| Model | MW12 |
| Construction | ThermoWood — thermally modified wood, exterior and interior |
| Capacity | Solo and small-group use (1–3 people) |
| Weight | 376 lbs |
| Heater Options | Harvia KIP 6kW or 8kW; built-in or WiFi controller (four configurations, $6,599–$7,523) |
| Stones | Lava rocks included |
| Windows | Large windows |
| Lighting | LED, adjustable |
| Benches | Ergonomic |
| Use | Outdoor, year-round |
| Starting Price | $6,599 |
Ideal For
- Solo users and small groups (1–3 people) who want a compact outdoor sauna
- Backyard and garden installations with a prepared, level site
- Buyers who want remote preheat and control with a WiFi-equipped Harvia KIP heater
- Year-round outdoor sauna use without the footprint of the larger Mande models
Important Information
Select your variant — heater output (6kW or 8kW) and control type (built-in or WiFi) — before adding to cart. This determines the heater included with your sauna.
Electrical: the Harvia KIP requires a dedicated 240V outdoor-rated circuit installed by a licensed electrician. Confirm the amperage requirements for your chosen heater output before ordering. WiFi models require a 2.4GHz WiFi network within range of the installation site.
Freight delivery: at 376 lbs, this sauna ships freight. A responsible adult must be present to receive, inspect, and assist with placement. Confirm driveway and gate access before ordering.
A level, solid foundation is required — a concrete pad or solid pavers. Site preparation is not included. Assembly is required on site; detailed instructions are included and basic tools are required. A permanent outdoor structure with an electrical connection may require a building permit — verify before ordering.
Free shipping is available on this item.
Frequently Asked Questions
What is ThermoWood and how is it different from regular wood?
ThermoWood is softwood that has been heat-treated in a controlled high-temperature process without chemical additives. The treatment reduces the wood's moisture absorption rate, improving resistance to warping, cracking, decay, and insects compared to untreated softwood. It is a practical specification for outdoor sauna construction because saunas cycle repeatedly between high heat and ambient outdoor conditions — ThermoWood handles that thermal and moisture cycling better than standard softwood.
Which heater size should I choose — 6kW or 8kW?
As a general rule, 6kW is appropriate for smaller sauna interior volumes and moderate-frequency use. 8kW provides faster heat-up and higher sustained temperature for larger interiors or buyers who prefer a hotter session. If you are unsure, contact us with your session preferences and we can confirm the appropriate output.
What does the WiFi controller add?
The Harvia WiFi controller connects to your 2.4GHz home network and allows remote control of the heater via the Harvia app on your smartphone — start preheating from inside the house, monitor temperature, and manage settings remotely. The built-in controller is a manual interface directly on the heater unit. Heat output is identical between both control options for the same wattage.
Does the sauna include a heater?
Yes — a Harvia KIP heater is included in all four variants, priced from $6,599 to $7,523 depending on output and control type. Select your configuration from the variant selector. Lava rocks are included with all configurations.
The Mande MW12 is a ThermoWood outdoor sauna built for year-round backyard use — large windows, LED lighting, ergonomic benches, and your choice of Harvia KIP heater, starting at $6,599.
This product is a recreational sauna and is not a medical device. It is not intended to diagnose, treat, cure, or prevent any disease or health condition. Consult your physician before using a sauna if you are pregnant, have a medical condition, or take medication. Stop use and seek medical advice if you feel unwell at any point.
