{"product_id":"carbon-smart-indoor-sauna-kit-8x8x8-thermo-poplar","title":"Carbon Smart Indoor Sauna Kit – 8' x 8' x 8' (Thermo Poplar)","description":"\u003csection class=\"product-intro\"\u003e\n\u003cp\u003eThe Carbon Smart™ Indoor Sauna Kit (8' × 8' × 8') is a complete, pre-cut sauna interior package designed for larger sauna rooms. Built with thermally modified Thermo Poplar wood, it delivers lasting dimensional stability, natural moisture resistance, and a refined aesthetic. Select your accessory package and optional high-output Harvia electric heater at checkout, and receive everything needed to finish your sauna interior — precisely cut and ready to install.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-why-choose\"\u003e\n\u003ch2 class=\"section-heading\"\u003eWhy Customers Choose the Carbon Smart Sauna Kit\u003c\/h2\u003e\n\u003cul class=\"benefit-list\"\u003e\n\u003cli\u003eAll interior components arrive pre-cut to your 8' × 8' × 8' room dimensions — no guesswork, no waste\u003c\/li\u003e\n\u003cli\u003eThermo Poplar wood is thermally modified without chemicals for enhanced stability and humidity resistance\u003c\/li\u003e\n\u003cli\u003eResponsibly sourced wood supports carbon-smart forestry practices\u003c\/li\u003e\n\u003cli\u003eAll-glass sauna door included — no separate door purchase required\u003c\/li\u003e\n\u003cli\u003eOptional high-output Harvia heater bundles (10–11 kW) available at checkout for a single-order setup\u003c\/li\u003e\n\u003cli\u003eAll heater options include WiFi app control and sauna stones\u003c\/li\u003e\n\u003cli\u003eConfigurable accessory packages: bench skirting, LED under-bench lighting, or both\u003c\/li\u003e\n\u003cli\u003eDetailed installation instructions included for DIY and contractor builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-highlights\"\u003e\n\u003ch2 class=\"section-heading\"\u003eProduct Highlights\u003c\/h2\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-heading\"\u003eThermo Poplar Interior Wood\u003c\/h3\u003e\n\u003cp\u003eThermally modified at approximately 374°F using a chemical-free process, Thermo Poplar offers improved dimensional stability, reduced moisture absorption, and a warm, rich tone that holds up through repeated heat cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-heading\"\u003ePre-Cut to Your Room Dimensions\u003c\/h3\u003e\n\u003cp\u003eWall boards, ceiling boards, bench boards, and trim pieces are cut to fit your 8' × 8' × 8' room before shipping, reducing installation time and on-site cutting.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-heading\"\u003eAll-Glass Sauna Door Included\u003c\/h3\u003e\n\u003cp\u003eThe kit includes a full all-glass door with wood handles and trim. The rough opening required is 28\" × 80\", and the frame measures 27.2\" × 78.7\" (690 × 2000 mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-heading\"\u003eConfigurable Accessory Packages\u003c\/h3\u003e\n\u003cp\u003eSelect from No Accessories, Bench Skirting, LED Under-Bench Lighting, or the Luxury Package (Skirting + LED Lighting) to match your finish preferences and budget.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-heading\"\u003eHigh-Output Harvia Heater Options (10–11 kW)\u003c\/h3\u003e\n\u003cp\u003eFour WiFi-enabled Harvia heater options are available at checkout, ranging from 10 to 11 kW — sized for the larger volume of an 8' × 8' × 8' sauna room. All include sauna stones.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-heading\"\u003eVirta Combi Option: Dry Sauna and Steam in One\u003c\/h3\u003e\n\u003cp\u003eThe Harvia Virta Combi 10.5 kW adds an integrated steam generator, allowing the sauna to function as both a traditional dry sauna and a steam room from a single unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-heading\"\u003eMarine-Grade Vapor-Proof Lighting\u003c\/h3\u003e\n\u003cp\u003eA wall-mount, marine-grade, vapor-proof sauna light is included in every kit, rated for the high-humidity sauna environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-heading\"\u003eProper Ventilation Components\u003c\/h3\u003e\n\u003cp\u003eUpper and lower vent grills are included to support correct air circulation, an important factor in sauna performance and longevity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-specifications\"\u003e\n\u003ch2 class=\"section-heading\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom Dimensions\u003c\/th\u003e\n\u003ctd\u003e8' × 8' × 8' (W × L × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWood Species\u003c\/th\u003e\n\u003ctd\u003eThermo Poplar (thermally modified, chemical-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall \u0026amp; Ceiling Boards\u003c\/th\u003e\n\u003ctd\u003e1×4 tongue \u0026amp; groove, Thermo Poplar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBench Boards\u003c\/th\u003e\n\u003ctd\u003eClear 1×4, 20\" deep, Thermo Poplar — custom-cut to configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDoor Frame Size\u003c\/th\u003e\n\u003ctd\u003e27.2\" × 78.7\" (690 × 2000 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDoor Glass Size\u003c\/th\u003e\n\u003ctd\u003e24.4\" × 77.3\" (620 × 1963 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDoor Frame Thickness\u003c\/th\u003e\n\u003ctd\u003e1.65\" × 3.6\" (42 × 92 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRough Opening Required\u003c\/th\u003e\n\u003ctd\u003e28\" × 80\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Ceiling Height\u003c\/th\u003e\n\u003ctd\u003e8 ft (per manufacturer safety guidelines)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWall Board Direction\u003c\/th\u003e\n\u003ctd\u003eHorizontal (standard); interior seam added if room width exceeds 8 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessory Options\u003c\/th\u003e\n\u003ctd\u003eNo Accessories \/ Bench Skirting \/ LED Under-Bench Lighting \/ Luxury Package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeater Options\u003c\/th\u003e\n\u003ctd\u003eNo Heater \/ Harvia Cilindro 11 kW WiFi \/ Harvia Club 10 kW WiFi \/ Harvia Virta 10.5 kW WiFi \/ Harvia Virta Combi 10.5 kW WiFi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 800 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVendor\u003c\/th\u003e\n\u003ctd\u003eFinnish Sauna Builders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-inbox\"\u003e\n\u003ch2 class=\"section-heading\"\u003eWhat's Included in Every Kit\u003c\/h2\u003e\n\u003cul class=\"inbox-list\"\u003e\n\u003cli\u003eFoil vapor barrier\u003c\/li\u003e\n\u003cli\u003eErgonomic backrests (shipped flat; angled pitch achievable with on-site spacers)\u003c\/li\u003e\n\u003cli\u003e1×4 tongue \u0026amp; groove wall and ceiling boards — Thermo Poplar\u003c\/li\u003e\n\u003cli\u003eClear 1×4 bench boards with supports (20\" deep) — Thermo Poplar, cut to your configuration\u003c\/li\u003e\n\u003cli\u003eCorner moldings for walls, ceiling, and baseboards — Thermo Poplar\u003c\/li\u003e\n\u003cli\u003eAll-glass sauna door with wood handles and trim\u003c\/li\u003e\n\u003cli\u003eDuckboard flooring for walk area — Thermo Poplar\u003c\/li\u003e\n\u003cli\u003eUpper and lower vent grills\u003c\/li\u003e\n\u003cli\u003eTraditional sauna bucket with liner and ladle\u003c\/li\u003e\n\u003cli\u003eSauna thermometer\u003c\/li\u003e\n\u003cli\u003eHeadrest\u003c\/li\u003e\n\u003cli\u003eMarine-grade, wall-mount, vapor-proof sauna light\u003c\/li\u003e\n\u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Framing, insulation, electrical wiring, and exterior wall covering are not included and must be supplied by the installer. Some product photos may show a glass wall for reference; the kit ships with an all-glass door.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-heater-comparison\"\u003e\n\u003ch2 class=\"section-heading\"\u003eOptional Harvia High-Output Heater Comparison\u003c\/h2\u003e\n\u003cp\u003eAll heater options include WiFi app control and sauna stones. All four models are sized for larger sauna rooms.\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eWiFi\u003c\/th\u003e\n\u003cth\u003eRailing\u003c\/th\u003e\n\u003cth\u003eCombi Steam\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia Cilindro 11KW\u003c\/td\u003e\n\u003ctd\u003eCilindro\u003c\/td\u003e\n\u003ctd\u003e11 kW\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia Club 10KW\u003c\/td\u003e\n\u003ctd\u003eClub\u003c\/td\u003e\n\u003ctd\u003e10 kW\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia Virta 10.5KW\u003c\/td\u003e\n\u003ctd\u003eVirta\u003c\/td\u003e\n\u003ctd\u003e10.5 kW\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarvia Virta Combi 10.5KW\u003c\/td\u003e\n\u003ctd\u003eVirta Combi\u003c\/td\u003e\n\u003ctd\u003e10.5 kW\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\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 class=\"section-heading\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul class=\"ideal-list\"\u003e\n\u003cli\u003eHomeowners building a large dedicated indoor sauna room in a basement, addition, or dedicated space\u003c\/li\u003e\n\u003cli\u003eDIY builders who want pre-cut materials and clear installation instructions\u003c\/li\u003e\n\u003cli\u003eContractors sourcing complete sauna interior packages for residential or light commercial clients\u003c\/li\u003e\n\u003cli\u003eSpas, gyms, and wellness facilities requiring a high-capacity sauna interior\u003c\/li\u003e\n\u003cli\u003eBuyers who want a combined dry sauna and steam room option (Virta Combi)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-important-info\"\u003e\n\u003ch2 class=\"section-heading\"\u003eImportant Information\u003c\/h2\u003e\n\u003cul class=\"info-list\"\u003e\n\u003cli\u003eThis kit supplies interior sauna components only. Framing, insulation, electrical wiring, and exterior wall covering must be provided by the installer.\u003c\/li\u003e\n\u003cli\u003eRecommended ceiling height is 8 feet per manufacturer safety and clearance guidelines. For custom ceiling heights, contact the vendor before ordering.\u003c\/li\u003e\n\u003cli\u003eHigh-output heaters (10–11 kW) require dedicated electrical circuits. Installation must be performed by a licensed electrician in compliance with local building codes and the heater manufacturer's specifications.\u003c\/li\u003e\n\u003cli\u003eWall boards run horizontally by default. If room width exceeds 8 feet, an interior seam will be added where boards meet to span the full width.\u003c\/li\u003e\n\u003cli\u003eBackrests are shipped flat. If an angled backrest is preferred, additional spacers can be fabricated on-site to achieve the desired pitch.\u003c\/li\u003e\n\u003cli\u003eThe kit ships with an all-glass door. Some product images may show a glass wall panel for reference purposes only.\u003c\/li\u003e\n\u003cli\u003eThe Virta Combi steam function requires a water supply connection in addition to electrical installation. Consult the heater manufacturer's installation manual before planning your build.\u003c\/li\u003e\n\u003cli\u003eDo not use this sauna kit for any purpose other than its intended use as a residential or light commercial sauna interior.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2 class=\"section-heading\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat does this kit include?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe kit includes all interior sauna components: foil vapor barrier, tongue \u0026amp; groove wall and ceiling boards, bench boards and supports, corner moldings, an all-glass door with wood handles and trim, duckboard flooring, upper and lower vent grills, a sauna bucket with liner and ladle, a thermometer, a headrest, a marine-grade vapor-proof light, and installation instructions. Framing, insulation, electrical wiring, and exterior wall covering are not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eDo I need to supply the framing and insulation?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eYes. This kit provides the interior finish components only. You or your contractor will need to supply and install the structural framing, insulation, vapor barrier backing, electrical wiring, and any exterior wall covering before installing the kit components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat heater options are available for this kit?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eFour Harvia WiFi-enabled heater options are available at checkout, all sized for larger sauna rooms: the Cilindro 11 kW, Club 10 kW, Virta 10.5 kW (with railing), and Virta Combi 10.5 kW (with railing and integrated steam function). All include sauna stones. If you prefer to source your own heater, select \"No Heater\" at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat is the Virta Combi and how is it different from the Virta?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eBoth the Virta and Virta Combi are 10.5 kW WiFi-enabled heaters with a protective railing and sauna stones included. The Virta Combi adds an integrated steam generator, allowing the sauna to operate as both a traditional dry sauna and a steam room from a single unit. The Virta Combi also requires a water supply connection in addition to electrical installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat is Thermo Poplar and why is it used?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThermo Poplar is a sustainably sourced wood that has been thermally modified at approximately 374°F using a chemical-free process. This treatment improves the wood's dimensional stability, reduces its tendency to absorb moisture, and gives it a warm, rich tone. It is well-suited for the high-heat, high-humidity environment of an indoor sauna.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat rough opening does the door require?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe included all-glass door requires a rough opening of 28\" × 80\". The door frame measures 27.2\" × 78.7\" (690 × 2000 mm) and the glass panel measures 24.4\" × 77.3\" (620 × 1963 mm). Frame thickness is 1.65\" × 3.6\" (42 × 92 mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat accessory packages are available?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eFour accessory options are available at checkout: No Accessories, Bench Skirting, LED Under-Bench Lighting, and the Luxury Package which includes both Bench Skirting and LED Under-Bench Lighting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eDo the high-output heaters require special electrical wiring?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eYes. Heaters in the 10–11 kW range require dedicated electrical circuits and must be installed by a licensed electrician. Electrical requirements vary by model — refer to the specific heater's installation manual for circuit specifications, breaker sizing, and wiring requirements before planning your build.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eIs this kit suitable for commercial use?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe Carbon Smart kit is designed for residential use and light commercial applications such as spas and fitness facilities. For high-traffic commercial installations, contact the vendor to confirm suitability and discuss any additional requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-closing\"\u003e\n\u003cp\u003eThe Carbon Smart Indoor Sauna Kit (8' × 8' × 8') gives you a complete, pre-cut interior package built from quality Thermo Poplar wood, with high-output heater options and flexible accessories configurable in a single order. If you have questions about sizing, installation, or heater selection, our team is available to help you plan the right setup for your space.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cp class=\"health-disclaimer\" style=\"text-align:center; font-size:0.8em; color:#666; margin-top:2em;\"\u003eSauna use may not be suitable for everyone. Consult a qualified healthcare provider before use if you have a medical condition, are pregnant, or are taking medications. This product is not intended to diagnose, treat, cure, or prevent any disease or medical condition.\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 does this kit include?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The kit includes all interior sauna components: foil vapor barrier, tongue and groove wall and ceiling boards, bench boards and supports, corner moldings, an all-glass door with wood handles and trim, duckboard flooring, upper and lower vent grills, a sauna bucket with liner and ladle, a thermometer, a headrest, a marine-grade vapor-proof light, and installation instructions. Framing, insulation, electrical wiring, and exterior wall covering are not included.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I need to supply the framing and insulation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. This kit provides the interior finish components only. You or your contractor will need to supply and install the structural framing, insulation, vapor barrier backing, electrical wiring, and any exterior wall covering before installing the kit components.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What heater options are available for this kit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Four Harvia WiFi-enabled heater options are available at checkout, all sized for larger sauna rooms: the Cilindro 11 kW, Club 10 kW, Virta 10.5 kW (with railing), and Virta Combi 10.5 kW (with railing and integrated steam function). All include sauna stones. If you prefer to source your own heater, select No Heater at checkout.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the Virta Combi and how is it different from the Virta?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Both the Virta and Virta Combi are 10.5 kW WiFi-enabled heaters with a protective railing and sauna stones included. The Virta Combi adds an integrated steam generator, allowing the sauna to operate as both a traditional dry sauna and a steam room from a single unit. The Virta Combi also requires a water supply connection in addition to electrical installation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is Thermo Poplar and why is it used?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Thermo Poplar is a sustainably sourced wood that has been thermally modified at approximately 374 degrees Fahrenheit using a chemical-free process. This treatment improves the wood's dimensional stability, reduces its tendency to absorb moisture, and gives it a warm, rich tone. It is well-suited for the high-heat, high-humidity environment of an indoor sauna.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What rough opening does the door require?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The included all-glass door requires a rough opening of 28 inches by 80 inches. The door frame measures 27.2 by 78.7 inches (690 by 2000 mm) and the glass panel measures 24.4 by 77.3 inches (620 by 1963 mm). Frame thickness is 1.65 by 3.6 inches (42 by 92 mm).\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What accessory packages are available?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Four accessory options are available at checkout: No Accessories, Bench Skirting, LED Under-Bench Lighting, and the Luxury Package which includes both Bench Skirting and LED Under-Bench Lighting.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do the high-output heaters require special electrical wiring?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Heaters in the 10 to 11 kW range require dedicated electrical circuits and must be installed by a licensed electrician. Electrical requirements vary by model. Refer to the specific heater's installation manual for circuit specifications, breaker sizing, and wiring requirements before planning your build.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this kit suitable for commercial use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Carbon Smart kit is designed for residential use and light commercial applications such as spas and fitness facilities. For high-traffic commercial installations, contact the vendor to confirm suitability and discuss any additional requirements.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Finnish Sauna Builders","offers":[{"title":"Thermo Poplar \/ No Accessories \/ No Heater","offer_id":50263955177711,"sku":"sku-48203146330353","price":11853.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ Harvia Cilindro 11KW WiFi with Heater Stones","offer_id":50263955210479,"sku":"sku-48203146363121","price":15248.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ Harvia Club 10KW WiFi with Heater Stones","offer_id":50263955243247,"sku":"sku-48203146395889","price":15401.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ Harvia Virta 10.5KW WiFi with Heater Stones and Railing","offer_id":50263955276015,"sku":"sku-48203146428657","price":16337.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ Harvia Virta Combi 10.5KW WiFi with Heater Stones and Railing","offer_id":50263955308783,"sku":"sku-48203146461425","price":17281.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ No Heater","offer_id":50263955341551,"sku":"sku-48203146494193","price":13033.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ Harvia Cilindro 11KW WiFi with Heater Stones","offer_id":50263955374319,"sku":"thermo-3-4-23","price":16428.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ Harvia Club 10KW WiFi with Heater Stones","offer_id":50263955407087,"sku":"thermo-3-4-26","price":16581.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ Harvia Virta 10.5KW WiFi with Heater Stones and Railing","offer_id":50263955439855,"sku":"thermo-3-4-20","price":17517.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ Harvia Virta Combi 10.5KW WiFi with Heater Stones and Railing","offer_id":50263955472623,"sku":"sku-48203146625265","price":18461.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ No Heater","offer_id":50263955505391,"sku":"sku-48203146658033","price":12542.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ Harvia Cilindro 11KW WiFi with Heater Stones","offer_id":50263955538159,"sku":"thermo-3-4-24","price":15937.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ Harvia Club 10KW WiFi with Heater Stones","offer_id":50263955570927,"sku":"thermo-3-4-27","price":16090.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ Harvia Virta 10.5KW WiFi with Heater Stones and Railing","offer_id":50263955603695,"sku":"thermo-3-4-21","price":17026.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ Harvia Virta Combi 10.5KW WiFi with Heater Stones and Railing","offer_id":50263955636463,"sku":"sku-48203146789105","price":17970.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ No Heater","offer_id":50263955669231,"sku":"sku-48203146821873","price":13722.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ Harvia Cilindro 11KW WiFi with Heater Stones","offer_id":50263955701999,"sku":"thermo-3-4-25","price":17117.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ Harvia Club 10KW WiFi with Heater Stones","offer_id":50263955734767,"sku":"thermo-3-4-28","price":17270.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ Harvia Virta 10.5KW WiFi with Heater Stones and Railing","offer_id":50263955767535,"sku":"thermo-3-4-22","price":18206.6,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ Harvia Virta Combi 10.5KW WiFi with Heater Stones and Railing","offer_id":50263955800303,"sku":"sku-48203146952945","price":19150.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/7568\/4079\/files\/Thermo_Poplar_Indoor_Sauna_Kit_005764db-348c-4cfa-82d0-80951d8bc017.webp?v=1785267059","url":"https:\/\/intentionalwellnesslab.com\/products\/carbon-smart-indoor-sauna-kit-8x8x8-thermo-poplar","provider":"Intentional Wellness Lab","version":"1.0","type":"link"}