{"product_id":"6-person-outdoor-scandinavian-thermowood-cube-sauna-kit-led-lighting","title":"6-Person Outdoor Scandinavian ThermoWood Cube Sauna Kit with LED Lighting","description":"\u003csection class=\"product-intro\"\u003e\n\u003cp\u003eThe 6-Person Outdoor Scandinavian ThermoWood Cube Sauna Kit is a complete, ready-to-assemble outdoor sauna structure built for residential backyard installation. Constructed from heat-treated ThermoWood, the kit offers strong moisture resistance and dimensional stability suited for year-round outdoor use. The design features tempered glass panels, integrated LED lighting, a high-quality roof, metal banding, and exterior siding. Available in four configurations: kit only (no heater), or bundled with a Harvia KIP 8.0KW electric heater in black or silver, or a Harvia M3 wood-burning heater with stones included.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-why-choose\"\u003e\n\u003ch2\u003eWhy Customers Choose This Product\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSeats up to 6 people — suitable for family or group use\u003c\/li\u003e\n\u003cli\u003eThermoWood construction for moisture resistance and outdoor durability\u003c\/li\u003e\n\u003cli\u003eTempered glass panels and LED lighting for an elevated interior atmosphere\u003c\/li\u003e\n\u003cli\u003eChoice of heater configuration: no heater, Harvia electric (black or silver), or Harvia M3 wood-burning\u003c\/li\u003e\n\u003cli\u003eExterior stain-ready frame — finish to match your outdoor space\u003c\/li\u003e\n\u003cli\u003eSuitable for both outdoor and indoor installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-highlights\"\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\n\u003ch3\u003eThermoWood Construction\u003c\/h3\u003e\n\u003cp\u003eThe sauna structure is built from heat-treated ThermoWood, which undergoes a thermal modification process that significantly improves moisture resistance and dimensional stability compared to untreated wood. This makes it well-suited for permanent outdoor installation in varying climates.\u003c\/p\u003e\n\n\u003ch3\u003eTempered Glass Panels\u003c\/h3\u003e\n\u003cp\u003eThe kit includes tempered glass panels that allow natural light into the sauna interior and contribute to the clean, modern cube aesthetic. Tempered glass is rated for the thermal cycling typical of sauna environments.\u003c\/p\u003e\n\n\u003ch3\u003eIntegrated LED Lighting\u003c\/h3\u003e\n\u003cp\u003eBuilt-in LED lighting provides ambient illumination for evening sessions. The lighting is integrated into the kit and does not require separate installation beyond the standard electrical connection.\u003c\/p\u003e\n\n\u003ch3\u003eHeater Options\u003c\/h3\u003e\n\u003cp\u003eThe kit is available in four configurations. The no-heater option allows you to source and install your own compatible heater. The Harvia KIP 8.0KW electric heater (available in black or silver) includes a built-in controller. The Harvia M3 is a wood-burning heater and includes sauna stones.\u003c\/p\u003e\n\n\u003ch3\u003eExterior Stain-Ready Frame\u003c\/h3\u003e\n\u003cp\u003eThe exterior frame is left unfinished and can be stained or sealed in any color to match your outdoor landscape or architectural style.\u003c\/p\u003e\n\n\u003ch3\u003eOutdoor \u0026amp; Indoor Compatible\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed primarily for outdoor installation with a full roof, metal banding, and exterior siding included. For indoor installation, outdoor-specific components can be omitted — refer to the assembly documentation for indoor configuration guidance.\u003c\/p\u003e\n\n\u003ch3\u003e6-Person Capacity\u003c\/h3\u003e\n\u003cp\u003eThe interior is sized to comfortably accommodate up to 6 people, making it suitable for household or small group use.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-specifications\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAK89146\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 6 persons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeat-treated ThermoWood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTempered glass panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLighting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded (outdoor configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExterior Siding\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExterior Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnfinished — stain or seal to preference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutdoor (primary); Indoor (with component modifications)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeater Option 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo Heater (kit only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeater Option 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHarvia KIP 8.0KW Electric with Built-In Controller – Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeater Option 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHarvia KIP 8.0KW Electric with Built-In Controller – Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeater Option 4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHarvia M3 Wood-Burning (sauna stones included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloor Plan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAvailable in product documentation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFree USA Shipping, ships within 1–3 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-ideal-for\"\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHomeowners looking to add a permanent outdoor sauna to their backyard or garden\u003c\/li\u003e\n\u003cli\u003eHouseholds of 4–6 people who want a shared sauna space\u003c\/li\u003e\n\u003cli\u003eThose who prefer a wood-burning sauna experience (Harvia M3 option)\u003c\/li\u003e\n\u003cli\u003eThose who prefer a digitally controlled electric sauna (Harvia KIP 8KW option)\u003c\/li\u003e\n\u003cli\u003eBuyers who already own a compatible heater and want the kit only\u003c\/li\u003e\n\u003cli\u003eIndoor sauna installations where a full structural kit is preferred\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-important-info\"\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eElectric heater variants require a dedicated electrical circuit. Consult a licensed electrician before installation. Refer to the Harvia heater documentation for full electrical specifications.\u003c\/li\u003e\n\u003cli\u003eThe Harvia M3 wood-burning heater requires proper chimney or flue installation and adequate ventilation. Follow all local building codes and fire safety regulations.\u003c\/li\u003e\n\u003cli\u003eThe no-heater variant is a structural kit only. Heater compatibility and installation are the buyer’s responsibility.\u003c\/li\u003e\n\u003cli\u003eOutdoor installation requires a level, stable foundation. Refer to the floor plan documentation for foundation and footprint requirements before beginning assembly.\u003c\/li\u003e\n\u003cli\u003eFor indoor installation, outdoor-specific components (roof, exterior siding, metal banding) may be omitted. Review the assembly documentation for indoor configuration guidance.\u003c\/li\u003e\n\u003cli\u003eThe exterior frame is unfinished. Apply an appropriate exterior wood stain or sealant before or shortly after installation to protect the ThermoWood surface.\u003c\/li\u003e\n\u003cli\u003eNot intended for use by children without adult supervision.\u003c\/li\u003e\n\u003cli\u003eConsult a qualified healthcare provider before beginning regular sauna use, particularly if you have cardiovascular conditions, circulatory disorders, or other medical concerns.\u003c\/li\u003e\n\u003cli\u003eDo not use if pregnant without prior medical clearance.\u003c\/li\u003e\n\u003cli\u003eAlways follow the safety guidelines in the included assembly and heater documentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Floor Plan\u003cbr\u003e\u003cem\u003e(PDF documentation included in product packaging or available upon request.)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat heater options are available with this sauna kit?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe kit is available in four configurations: no heater (kit only), Harvia KIP 8.0KW electric with built-in controller in black, Harvia KIP 8.0KW electric with built-in controller in silver, or Harvia M3 wood-burning with sauna stones included. Select your preferred option at checkout.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e\u003cstrong\u003eCan this sauna be installed indoors?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The kit is designed primarily for outdoor installation, but it can be adapted for indoor use by omitting the outdoor-specific components such as the roof, exterior siding, and metal banding. Refer to the assembly documentation for indoor configuration guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e\u003cstrong\u003eDoes the kit include a heater?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eOnly if you select a heater variant at checkout. The no-heater option includes the full structural kit without a heater. The Harvia KIP 8.0KW and Harvia M3 variants include the respective heater and sauna stones (M3 only) bundled with the kit.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is ThermoWood and why is it used?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThermoWood is wood that has been heat-treated at high temperatures to improve its moisture resistance and dimensional stability. This process reduces the wood’s tendency to warp, crack, or absorb water, making it well-suited for permanent outdoor structures exposed to weather and temperature variation.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e\u003cstrong\u003eDoes the exterior need to be finished or stained?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe exterior frame is supplied unfinished. It is recommended to apply an appropriate exterior wood stain or sealant before or shortly after installation to protect the surface and achieve your preferred appearance. The unfinished surface accepts most standard exterior wood stains.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat foundation is required for outdoor installation?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe sauna requires a level, stable foundation. Refer to the floor plan documentation included with the kit for specific footprint dimensions and foundation requirements before beginning site preparation.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e\u003cstrong\u003eDoes the Harvia M3 wood-burning heater require a chimney?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The Harvia M3 is a wood-burning heater and requires proper chimney or flue installation and adequate ventilation. All local building codes and fire safety regulations must be followed. Consult a qualified installer before proceeding.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e\u003cstrong\u003eHow long does shipping take?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eOrders ship within 1–3 business days and are typically delivered within 5–10 business days. Free shipping is included on all orders within the contiguous USA.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-closing\"\u003e\n\u003cp\u003eThe 6-Person Outdoor ThermoWood Cube Sauna Kit is a well-specified, complete structural kit for homeowners who want a permanent outdoor sauna with a clean, modern design. With multiple heater configurations available and an unfinished exterior ready for your preferred stain, it offers a practical starting point for a custom backyard sauna installation. Order today and receive free shipping within 5–10 business days.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003csmall\u003eThis product is intended for general wellness use. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Consult a qualified healthcare provider before use if you have any health concerns.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What heater options are available with this sauna kit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The kit is available in four configurations: no heater (kit only), Harvia KIP 8.0KW electric with built-in controller in black, Harvia KIP 8.0KW electric with built-in controller in silver, or Harvia M3 wood-burning with sauna stones included.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can this sauna be installed indoors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The kit is designed primarily for outdoor installation, but it can be adapted for indoor use by omitting the outdoor-specific components such as the roof, exterior siding, and metal banding.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the kit include a heater?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Only if you select a heater variant at checkout. The no-heater option includes the full structural kit without a heater. The Harvia KIP 8.0KW and Harvia M3 variants include the respective heater and sauna stones (M3 only) bundled with the kit.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is ThermoWood and why is it used?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"ThermoWood is wood that has been heat-treated at high temperatures to improve its moisture resistance and dimensional stability. This process reduces the wood's tendency to warp, crack, or absorb water, making it well-suited for permanent outdoor structures.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the exterior need to be finished or stained?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The exterior frame is supplied unfinished. It is recommended to apply an appropriate exterior wood stain or sealant before or shortly after installation to protect the surface.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What foundation is required for outdoor installation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The sauna requires a level, stable foundation. 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