{"product_id":"carbon-smart-indoor-sauna-kit-7x8x8-thermo-poplar","title":"Carbon Smart Indoor Sauna Kit – 7' × 8' × 8' | Thermo Poplar","description":"\u003cdiv class=\"cs-sauna-wrapper\"\u003e\n\n\u003c!-- ===== BENEFIT-LED INTRO ===== --\u003e\n\u003cdiv class=\"cs-section cs-intro\"\u003e\n\u003cp\u003eThe Carbon Smart™ Indoor Sauna Kit gives you everything you need to build a beautifully finished, full-size home sauna — precisely cut, ready to install, and crafted from sustainably sourced Thermo Poplar wood. Whether you're a hands-on DIYer or working with a contractor, this 7’ × 8’ × 8’ kit delivers professional-quality materials at a straightforward price, with optional heater upgrades and accessory packages to match your space and preferences.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== WHY CUSTOMERS CHOOSE THIS ===== --\u003e\n\u003cdiv class=\"cs-section cs-why-choose\"\u003e\n\u003ch2 class=\"cs-section-title\"\u003eWhy Customers Choose This Kit\u003c\/h2\u003e\n\u003cul class=\"cs-benefit-list\"\u003e\n\u003cli\u003eComplete interior package — walls, ceiling, benches, door, flooring, vents, and accessories all included\u003c\/li\u003e\n\u003cli\u003eThermo Poplar wood is thermally modified without chemicals for lasting stability in high-heat, high-humidity environments\u003c\/li\u003e\n\u003cli\u003eCustomizable bench configurations to fit your layout and seating preferences\u003c\/li\u003e\n\u003cli\u003eOptional 9KW heater upgrades from Harvia and EOS — choose built-in control or WiFi-enabled models\u003c\/li\u003e\n\u003cli\u003eOptional accessory packages: bench skirting, LED under-bench lighting, or the full luxury bundle\u003c\/li\u003e\n\u003cli\u003eDetailed installation instructions included — designed for DIY assembly or professional installation\u003c\/li\u003e\n\u003cli\u003eBacked by Finnish Sauna Builders, a specialist supplier with deep expertise in sauna construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== PRODUCT HIGHLIGHTS ===== --\u003e\n\u003cdiv class=\"cs-section cs-highlights\"\u003e\n\u003ch2 class=\"cs-section-title\"\u003eProduct Highlights\u003c\/h2\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eThermo Poplar Interior Wood\u003c\/h3\u003e\n\u003cp\u003eAll wall boards, ceiling boards, bench boards, and trim are crafted from Thermo Poplar — a sustainably sourced wood thermally modified at approximately 374°F. The process enhances dimensional stability and resistance to humidity without the use of chemicals, resulting in a warm, rich tone that holds up well in sauna conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eAll-Glass Sauna Door\u003c\/h3\u003e\n\u003cp\u003eThe kit includes a full all-glass door with wood handles and trim. Frame dimensions are 27.2” × 78.7” (690 × 2000 mm); glass panel is 24.4” × 77.3” (620 × 1963 mm). Rough opening required: 28” × 80”.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eCustomizable Bench Layout\u003c\/h3\u003e\n\u003cp\u003eSelect the bench configuration that best fits your space from the options shown in the product images. Bench boards are 20” deep, built to your chosen layout, and include supports. Backrests ship flat; angled positioning can be achieved on-site with simple spacers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eOptional 9KW Heater Upgrades\u003c\/h3\u003e\n\u003cp\u003eChoose from five premium heater options — Harvia Cilindro PC90 (built-in control), Harvia Cilindro PC90E (WiFi), Harvia Virta (WiFi + safety railing), EOS Cubo Avantgarde (WiFi), or EOS Mythos S35 (WiFi). All heater options include heater stones. See the comparison chart below for full details.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eFoil Vapor Barrier Included\u003c\/h3\u003e\n\u003cp\u003eA foil vapor barrier is included in every kit to support proper moisture management during installation. You supply the framing, insulation, electrical wiring, and exterior wall covering.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eMarine-Grade Vapor-Proof Lighting\u003c\/h3\u003e\n\u003cp\u003eEvery kit includes a wall-mount, marine-grade, vapor-proof sauna light rated for the high-humidity sauna environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== WHAT'S INCLUDED ===== --\u003e\n\u003cdiv class=\"cs-section cs-included\"\u003e\n\u003ch2 class=\"cs-section-title\"\u003eWhat’s Included in Your Kit\u003c\/h2\u003e\n\u003cul class=\"cs-included-list\"\u003e\n\u003cli\u003eFoil vapor barrier\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) — custom-built to your chosen configuration\u003c\/li\u003e\n\u003cli\u003eErgonomic backrests\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\u003c\/div\u003e\n\n\u003c!-- ===== SPECIFICATIONS ===== --\u003e\n\u003cdiv class=\"cs-section cs-specs\"\u003e\n\u003ch2 class=\"cs-section-title\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"cs-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eInterior Dimensions\u003c\/td\u003e\n\u003ctd\u003e7’ × 8’ × 8’ (W × D × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eRecommended Ceiling Height\u003c\/td\u003e\n\u003ctd\u003e8 feet (per manufacturer safety guidelines)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eWood Species\u003c\/td\u003e\n\u003ctd\u003eThermo Poplar (thermally modified, chemical-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eWall \u0026amp; Ceiling Boards\u003c\/td\u003e\n\u003ctd\u003e1×4 tongue \u0026amp; groove\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eBench Depth\u003c\/td\u003e\n\u003ctd\u003e20 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eDoor Frame Size\u003c\/td\u003e\n\u003ctd\u003e27.2” × 78.7” (690 × 2000 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eDoor Glass Size\u003c\/td\u003e\n\u003ctd\u003e24.4” × 77.3” (620 × 1963 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eDoor Frame Thickness\u003c\/td\u003e\n\u003ctd\u003e1.65” × 3.6” (42 × 92 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eRough Opening Required\u003c\/td\u003e\n\u003ctd\u003e28” × 80”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eOptional Heater Power\u003c\/td\u003e\n\u003ctd\u003e9 KW (all heater options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eShipping Weight (approx.)\u003c\/td\u003e\n\u003ctd\u003e800 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eWood Modification Temperature\u003c\/td\u003e\n\u003ctd\u003eApprox. 374°F (thermally modified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eForestry Sourcing\u003c\/td\u003e\n\u003ctd\u003eSustainably sourced, carbon-smart forestry practices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== IDEAL FOR ===== --\u003e\n\u003cdiv class=\"cs-section cs-ideal-for\"\u003e\n\u003ch2 class=\"cs-section-title\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul class=\"cs-ideal-list\"\u003e\n\u003cli\u003eHomeowners building a dedicated sauna room in a basement, spare room, or addition\u003c\/li\u003e\n\u003cli\u003eDIY builders comfortable with framing, insulation, and basic electrical rough-in\u003c\/li\u003e\n\u003cli\u003eContractors and builders sourcing premium sauna interior packages for clients\u003c\/li\u003e\n\u003cli\u003eResidential wellness spaces, home gyms, and spa-style retreats\u003c\/li\u003e\n\u003cli\u003eCommercial installations in boutique fitness studios, spas, or wellness facilities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== IMPORTANT INFORMATION ===== --\u003e\n\u003cdiv class=\"cs-section cs-important\"\u003e\n\u003ch2 class=\"cs-section-title\"\u003eImportant Information\u003c\/h2\u003e\n\u003cul class=\"cs-important-list\"\u003e\n\u003cli\u003eThis kit supplies all interior sauna components. Framing, insulation, electrical wiring, and exterior wall covering are not included and must be supplied 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 our support team before ordering.\u003c\/li\u003e\n\u003cli\u003eWall boards run in the standard horizontal direction. If room width exceeds 8 feet, an interior seam will be added where two boards meet to span the width.\u003c\/li\u003e\n\u003cli\u003eBackrests ship flat. Angled positioning can be achieved on-site using simple spacers.\u003c\/li\u003e\n\u003cli\u003eYour shipment includes an all-glass door. Some product photos may show a glass wall panel for reference purposes.\u003c\/li\u003e\n\u003cli\u003eHeater installation requires a licensed electrician. All electrical work must comply with local building codes and the heater manufacturer’s installation specifications.\u003c\/li\u003e\n\u003cli\u003eThis product is intended for indoor residential or commercial use only. Do not install in outdoor or unenclosed environments.\u003c\/li\u003e\n\u003cli\u003eReview all local building permits and requirements before beginning installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== HEATER COMPARISON ===== --\u003e\n\u003cdiv class=\"cs-section cs-heater-comparison\"\u003e\n\u003ch2 class=\"cs-section-title\"\u003eOptional Heater Comparison\u003c\/h2\u003e\n\n\u003c!-- Desktop Table --\u003e\n\u003cdiv class=\"cs-heater-table-wrapper\"\u003e\n\u003ctable class=\"cs-heater-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eHarvia Cilindro PC90 9KW\u003c\/th\u003e\n\u003cth\u003eHarvia Cilindro PC90E 9KW\u003c\/th\u003e\n\u003cth\u003eHarvia Virta 9KW\u003c\/th\u003e\n\u003cth\u003eEOS Cubo Avantgarde 9KW\u003c\/th\u003e\n\u003cth\u003eEOS Mythos S35 9KW\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-feature-label\"\u003eProduct Image\u003c\/td\u003e\n\u003ctd class=\"cs-heater-img-cell\"\u003e\u003cimg alt=\"Harvia Cilindro PC90 9KW Sauna Heater\" class=\"cs-heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Harvia_Cilindro_PC90.webp?v=1771540536\"\u003e\u003c\/td\u003e\n\u003ctd class=\"cs-heater-img-cell\"\u003e\u003cimg alt=\"Harvia Cilindro PC90E 9KW Sauna Heater\" class=\"cs-heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Harvia_Cilindro_PC90E.webp?v=1771540535\"\u003e\u003c\/td\u003e\n\u003ctd class=\"cs-heater-img-cell\"\u003e\u003cimg alt=\"Harvia Virta 9KW Sauna Heater\" class=\"cs-heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Harvia_Virta_9KW.webp?v=1771540535\"\u003e\u003c\/td\u003e\n\u003ctd class=\"cs-heater-img-cell\"\u003e\u003cimg alt=\"EOS Cubo Avantgarde 9KW Sauna Heater\" class=\"cs-heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/EOS_Cubo_Avantgarde_9KW.webp?v=1771540535\"\u003e\u003c\/td\u003e\n\u003ctd class=\"cs-heater-img-cell\"\u003e\u003cimg alt=\"EOS Mythos S35 9KW Sauna Heater\" class=\"cs-heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/EOS_Mythos_S35_9KW.webp?v=1771540535\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-feature-label\"\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e9 KW\u003c\/td\u003e\n\u003ctd\u003e9 KW\u003c\/td\u003e\n\u003ctd\u003e9 KW\u003c\/td\u003e\n\u003ctd\u003e9 KW\u003c\/td\u003e\n\u003ctd\u003e9 KW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-feature-label\"\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHarvia (Finland)\u003c\/td\u003e\n\u003ctd\u003eHarvia (Finland)\u003c\/td\u003e\n\u003ctd\u003eHarvia (Finland)\u003c\/td\u003e\n\u003ctd\u003eEOS (Germany)\u003c\/td\u003e\n\u003ctd\u003eEOS (Germany)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-feature-label\"\u003eControl Type\u003c\/td\u003e\n\u003ctd\u003eBuilt-in control panel\u003c\/td\u003e\n\u003ctd\u003eWiFi control\u003c\/td\u003e\n\u003ctd\u003eWiFi control\u003c\/td\u003e\n\u003ctd\u003eWiFi control\u003c\/td\u003e\n\u003ctd\u003eWiFi control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-feature-label\"\u003eWiFi \/ App Control\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\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\u003ctr\u003e\n\u003ctd class=\"cs-feature-label\"\u003eHeater Stones Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\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\u003ctr\u003e\n\u003ctd class=\"cs-feature-label\"\u003eSafety Railing Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\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 class=\"cs-feature-label\"\u003eModel Series\u003c\/td\u003e\n\u003ctd\u003eCilindro\u003c\/td\u003e\n\u003ctd\u003eCilindro\u003c\/td\u003e\n\u003ctd\u003eVirta\u003c\/td\u003e\n\u003ctd\u003eCubo Avantgarde\u003c\/td\u003e\n\u003ctd\u003eMythos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- Mobile Cards --\u003e\n\u003cdiv class=\"cs-heater-cards\"\u003e\n\u003cdiv class=\"cs-heater-card\"\u003e\n\u003ch3 class=\"cs-heater-card-title\"\u003eHarvia Cilindro PC90 9KW\u003c\/h3\u003e\n\u003cdiv class=\"cs-heater-card-img\"\u003e\u003cimg alt=\"Harvia Cilindro PC90 9KW Sauna Heater\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Harvia_Cilindro_PC90.webp?v=1771540536\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eControl\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eBuilt-in panel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eWiFi\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eStones\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eIncluded\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eRailing\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eNot included\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-card\"\u003e\n\u003ch3 class=\"cs-heater-card-title\"\u003eHarvia Cilindro PC90E 9KW WiFi\u003c\/h3\u003e\n\u003cdiv class=\"cs-heater-card-img\"\u003e\u003cimg alt=\"Harvia Cilindro PC90E 9KW Sauna Heater\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Harvia_Cilindro_PC90E.webp?v=1771540535\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eControl\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eWiFi \/ App\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eWiFi\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eStones\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eIncluded\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eRailing\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eNot included\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-card\"\u003e\n\u003ch3 class=\"cs-heater-card-title\"\u003eHarvia Virta 9KW WiFi + Railing\u003c\/h3\u003e\n\u003cdiv class=\"cs-heater-card-img\"\u003e\u003cimg alt=\"Harvia Virta 9KW Sauna Heater\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Harvia_Virta_9KW.webp?v=1771540535\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eControl\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eWiFi \/ App\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eWiFi\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eStones\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eIncluded\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eRailing\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eIncluded\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-card\"\u003e\n\u003ch3 class=\"cs-heater-card-title\"\u003eEOS Cubo Avantgarde 9KW WiFi\u003c\/h3\u003e\n\u003cdiv class=\"cs-heater-card-img\"\u003e\u003cimg alt=\"EOS Cubo Avantgarde 9KW Sauna Heater\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/EOS_Cubo_Avantgarde_9KW.webp?v=1771540535\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eControl\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eWiFi \/ App\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eWiFi\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eStones\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eIncluded\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eRailing\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eNot included\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-card\"\u003e\n\u003ch3 class=\"cs-heater-card-title\"\u003eEOS Mythos S35 9KW WiFi\u003c\/h3\u003e\n\u003cdiv class=\"cs-heater-card-img\"\u003e\u003cimg alt=\"EOS Mythos S35 9KW Sauna Heater\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/EOS_Mythos_S35_9KW.webp?v=1771540535\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eControl\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eWiFi \/ App\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eWiFi\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eStones\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eIncluded\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cs-heater-row\"\u003e\n\u003cspan class=\"cs-heater-label\"\u003eRailing\u003c\/span\u003e\u003cspan class=\"cs-heater-value\"\u003eNot included\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== FAQ ===== --\u003e\n\u003cdiv class=\"cs-section cs-faq\"\u003e\n\u003ch2 class=\"cs-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eWhat does this kit include?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe kit includes all interior sauna components: foil vapor barrier, 1×4 tongue \u0026amp; groove wall and ceiling boards, bench boards with supports, ergonomic backrests, 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 detailed installation instructions. Framing, insulation, electrical wiring, and exterior wall covering are not included.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eWhat do I need to supply for installation?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eYou supply the structural framing, insulation, electrical wiring (including a dedicated circuit for the heater if selected), and exterior wall covering. A licensed electrician is required for heater installation. All work must comply with local building codes.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eWhat is Thermo Poplar and why is it used?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\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 and resistance to humidity and temperature fluctuations — properties that are important in a sauna environment. It also produces a warm, rich tone that works well aesthetically in sauna interiors.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eCan I choose a different ceiling height?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe recommended ceiling height is 8 feet per manufacturer safety and clearance guidelines. If you need a custom ceiling height, please contact our support team before placing your order so we can advise on feasibility and any adjustments required.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eWhat heater options are available?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eYou can add one of five 9KW heater options at checkout: Harvia Cilindro PC90 (built-in control), Harvia Cilindro PC90E (WiFi), Harvia Virta (WiFi + safety railing included), EOS Cubo Avantgarde (WiFi), or EOS Mythos S35 (WiFi). All heater options include heater stones. You can also select “No Heater” if you plan to source a heater separately.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eWhat accessory packages are available?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThree accessory packages are available: Bench Skirting (adds a finished panel below the bench), LED Under Bench Lighting (adds low-profile lighting beneath the bench), and the Luxury Package which includes both skirting and LED lighting. You can also select “No Accessories” if you prefer the standard configuration.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eHow are the wall boards oriented?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eWall boards run in the standard horizontal direction. If the room width exceeds 8 feet, an interior seam will be added where two boards meet to span the full width. This is a standard construction detail and does not affect the structural integrity or appearance of the finished sauna.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eIs this kit suitable for commercial use?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eYes. The Carbon Smart™ kit is suitable for both residential and commercial installations, including boutique fitness studios, spas, and wellness facilities. For commercial projects or multi-unit orders, contact our team for guidance on specifications and lead times.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eWhat is the rough opening required for the door?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe rough opening required for the included all-glass door is 28” × 80”. The door frame dimensions are 27.2” × 78.7” (690 × 2000 mm) and the glass panel is 24.4” × 77.3” (620 × 1963 mm).\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- ===== CLOSING PARAGRAPH ===== --\u003e\n\u003cdiv class=\"cs-section cs-closing\"\u003e\n\u003cp\u003eThe Carbon Smart™ Indoor Sauna Kit is a well-specified, complete package for anyone ready to add a permanent sauna to their home or facility. Select your wood type, accessory package, and heater option above, and contact our team if you have questions about your space or installation requirements before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===== FAQ SCHEMA ===== --\u003e\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, 1x4 tongue and groove wall and ceiling boards, bench boards with supports, ergonomic backrests, 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 detailed installation instructions. Framing, insulation, electrical wiring, and exterior wall covering are not included.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What do I need to supply for installation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"You supply the structural framing, insulation, electrical wiring (including a dedicated circuit for the heater if selected), and exterior wall covering. A licensed electrician is required for heater installation. All work must comply with local building codes.\"\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 thermally modified at approximately 374°F using a chemical-free process. This improves dimensional stability and resistance to humidity and temperature fluctuations — important properties in a sauna environment.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I choose a different ceiling height?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The recommended ceiling height is 8 feet per manufacturer safety and clearance guidelines. For custom ceiling heights, contact our support team before placing your order.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What heater options are available?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Five 9KW heater options are available: Harvia Cilindro PC90 (built-in control), Harvia Cilindro PC90E (WiFi), Harvia Virta (WiFi + safety railing), EOS Cubo Avantgarde (WiFi), and EOS Mythos S35 (WiFi). All include heater stones. You can also select No Heater.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What accessory packages are available?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Three accessory packages are available: Bench Skirting, LED Under Bench Lighting, and the Luxury Package (skirting + LED lighting). No Accessories is also an option.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How are the wall boards oriented?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Wall boards run horizontally by default. If room width exceeds 8 feet, an interior seam will be added where two boards meet to span the full width.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this kit suitable for commercial use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The Carbon Smart kit is suitable for both residential and commercial installations including fitness studios, spas, and wellness facilities.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the rough opening required for the door?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The rough opening required for the included all-glass door is 28 inches by 80 inches. Door frame dimensions are 27.2 x 78.7 inches (690 x 2000 mm).\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003c!-- ===== HEALTH DISCLAIMER ===== --\u003e\n\u003cp class=\"cs-health-disclaimer\" style=\"text-align: center; font-size: 0.8em; color: #888; margin-top: 2rem;\"\u003eThis product is a sauna construction kit intended for personal or commercial use. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease or health condition. Consult a qualified healthcare provider before use if you have any medical concerns.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Finnish Sauna Builders","offers":[{"title":"Thermo Poplar \/ No Accessories \/ No Heater","offer_id":50263961698543,"sku":"sku-48203140006129","price":10800.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ Harvia Cilindro PC90 9KW with Built-in Control and Heater Stones","offer_id":50263961731311,"sku":"sku-48203140038897","price":12725.7,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ Harvia Cilindro PC90E 9KW WiFi with Heater Stones","offer_id":50263961764079,"sku":"sku-48203140071665","price":13884.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ Harvia Virta 9KW WiFi with Heater Stones and Railing","offer_id":50263961796847,"sku":"sku-48203140104433","price":14734.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ EOS Cubo Avantgarde 9KW WiFi with Heater Stones","offer_id":50263961829615,"sku":"sku-48203140137201","price":22554.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ No Accessories \/ EOS Mythos S35 9KW WiFi with Heater Stones","offer_id":50263961862383,"sku":"sku-48203140169969","price":25434.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ No Heater","offer_id":50263961895151,"sku":"sku-48203140202737","price":11896.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ Harvia Cilindro PC90 9KW with Built-in Control and Heater Stones","offer_id":50263961927919,"sku":"thermo-3-4-23","price":13821.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ Harvia Cilindro PC90E 9KW WiFi with Heater Stones","offer_id":50263961960687,"sku":"thermo-3-4-26","price":14980.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ Harvia Virta 9KW WiFi with Heater Stones and Railing","offer_id":50263961993455,"sku":"thermo-3-4-20","price":15830.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ EOS Cubo Avantgarde 9KW WiFi with Heater Stones","offer_id":50263962026223,"sku":"sku-48203140333809","price":23650.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Bench Skirting \/ EOS Mythos S35 9KW WiFi with Heater Stones","offer_id":50263962058991,"sku":"sku-48203140366577","price":26530.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ No Heater","offer_id":50263962091759,"sku":"sku-48203140399345","price":11489.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ Harvia Cilindro PC90 9KW with Built-in Control and Heater Stones","offer_id":50263962124527,"sku":"thermo-3-4-24","price":13414.7,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ Harvia Cilindro PC90E 9KW WiFi with Heater Stones","offer_id":50263962157295,"sku":"thermo-3-4-27","price":14573.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ Harvia Virta 9KW WiFi with Heater Stones and Railing","offer_id":50263962190063,"sku":"thermo-3-4-21","price":15423.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ EOS Cubo Avantgarde 9KW WiFi with Heater Stones","offer_id":50263962222831,"sku":"sku-48203140530417","price":23243.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ LED Under Bench Lighting \/ EOS Mythos S35 9KW WiFi with Heater Stones","offer_id":50263962255599,"sku":"sku-48203140563185","price":26123.2,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ No Heater","offer_id":50263962288367,"sku":"sku-48203140595953","price":12585.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ Harvia Cilindro PC90 9KW with Built-in Control and Heater Stones","offer_id":50263962321135,"sku":"thermo-3-4-25","price":14510.5,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ Harvia Cilindro PC90E 9KW WiFi with Heater Stones","offer_id":50263962353903,"sku":"thermo-3-4-28","price":15669.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ Harvia Virta 9KW WiFi with Heater Stones and Railing","offer_id":50263962386671,"sku":"thermo-3-4-22","price":16519.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ EOS Cubo Avantgarde 9KW WiFi with Heater Stones","offer_id":50263962419439,"sku":"sku-48203140727025","price":24339.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Poplar \/ Luxury Package: Skirting + LED Under Bench Lighting \/ EOS Mythos S35 9KW WiFi with Heater Stones","offer_id":50263962452207,"sku":"sku-48203140759793","price":27219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/7568\/4079\/files\/Thermo_Poplar_Indoor_Sauna_Kit_c588b13e-6cc1-4b97-8b0f-e75eb7923e8b.webp?v=1785267066","url":"https:\/\/intentionalwellnesslab.com\/products\/carbon-smart-indoor-sauna-kit-7x8x8-thermo-poplar","provider":"Intentional Wellness Lab","version":"1.0","type":"link"}