{"product_id":"thermasol-astra-4-person-indoor-sauna-semi-panoramic","title":"ThermaSol Astra 4-Person Indoor Sauna | Semi-Panoramic Glass Cabin","description":"\u003csection class=\"product-intro\"\u003e\n\u003cp\u003eThe ThermaSol Astra is a 4-person indoor sauna cabin designed around a corner layout with semi-panoramic transparent glass panels, brushed Tyrol wooden panels, and thermo-aspen interior benches. Powered by the Harvia Virta electric heater and insulated with multi-layer wood fiber construction, the Astra delivers consistent, efficient heat in a modern, open-feeling enclosure. Integrated RGB color LED lighting allows you to adjust the visual ambiance of each session. Available in left-door and right-door configurations, the Astra is made to order and ships within 12–13 weeks.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-why-choose\"\u003e\n\u003ch2\u003eWhy Customers Choose the ThermaSol Astra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSemi-panoramic glass panels create an open, spacious feel distinct from traditional enclosed saunas\u003c\/li\u003e\n\u003cli\u003eHarvia Virta electric heater for reliable, high-performance heat output\u003c\/li\u003e\n\u003cli\u003eMulti-layer wood fiber insulation for energy-efficient, consistent temperature maintenance\u003c\/li\u003e\n\u003cli\u003eThermo-aspen benches resist moisture and warping for long-term durability\u003c\/li\u003e\n\u003cli\u003eIntegrated RGB LED lighting for customizable session ambiance\u003c\/li\u003e\n\u003cli\u003eBrushed Tyrol wood panels complement a wide range of interior design styles\u003c\/li\u003e\n\u003cli\u003eAvailable in left-door and right-door configurations to suit your space\u003c\/li\u003e\n\u003cli\u003eFlat-packed delivery with assembly instructions included\u003c\/li\u003e\n\u003cli\u003eFree USA shipping\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\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eSemi-Panoramic Glass Panel Design\u003c\/h3\u003e\n\u003cp\u003eThe Astra's transparent semi-panoramic glass panels open up the interior visually, reducing the enclosed feeling common in traditional sauna cabins. The corner layout maximizes interior space while maintaining a clean, modern aesthetic that integrates well with home interiors and fitness rooms.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eHarvia Virta Electric Heater\u003c\/h3\u003e\n\u003cp\u003eThe Harvia Virta is a well-regarded electric sauna heater known for consistent heat output and reliable performance. It powers the Astra's heating system and is designed for efficient operation within the cabin's insulated enclosure.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eMulti-Layer Wood Fiber Insulation\u003c\/h3\u003e\n\u003cp\u003eThe eco-friendly multi-layer wood fiber insulation is designed to retain heat effectively, supporting consistent sauna temperatures while minimizing energy consumption during each session.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eThermo-Aspen Interior Benches\u003c\/h3\u003e\n\u003cp\u003eThermo-aspen is a heat-treated wood that resists moisture absorption and warping — making it a practical and durable choice for sauna bench surfaces. The benches are designed for comfort during extended sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eIntegrated RGB Color LED Lighting\u003c\/h3\u003e\n\u003cp\u003eBuilt-in RGB LED lighting allows you to select from a range of colors to customize the visual atmosphere of your sauna session. Lighting controls are integrated into the cabin design.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eBrushed Tyrol Wood Panel Exterior\u003c\/h3\u003e\n\u003cp\u003eThe exterior features brushed Tyrol wooden panels that provide a refined, natural wood finish. The panel design complements the glass elements and suits a range of home interior styles.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3\u003eFlat-Packed Delivery \u0026amp; Assembly\u003c\/h3\u003e\n\u003cp\u003eThe Astra ships flat-packed with assembly instructions included, allowing for installation without major construction work. Professional installation is recommended to ensure safe and correct assembly.\u003c\/p\u003e\n\u003c\/div\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\u003eThermaSol Astra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Person\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCorner layout, semi-panoramic glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Door — Left Side (SKU: 14-ASTRADL) or Right Side (SKU: 14-ASTRADR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterior Bench Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermo-Aspen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExterior Panel Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrushed Tyrol Wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulti-layer wood fiber (eco-friendly)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeater\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHarvia Virta Electric Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLighting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated RGB Color LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGlass Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransparent semi-panoramic panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDelivery Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat-packed with assembly instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLead Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade to order — 12 to 13 weeks\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKUs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14-ASTRADL (Left) \/ 14-ASTRADR (Right)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Dimensions \u0026amp; Electrical Specs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSee manufacturer spec sheet or contact us before purchasing\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 seeking a premium, design-forward indoor sauna with a modern glass aesthetic\u003c\/li\u003e\n\u003cli\u003eDedicated sauna rooms, home spas, or high-end fitness spaces\u003c\/li\u003e\n\u003cli\u003eThose who prefer an open, visually spacious sauna environment over a fully enclosed cabin\u003c\/li\u003e\n\u003cli\u003eBuyers who want a complete, made-to-order sauna with a reputable heater brand included\u003c\/li\u003e\n\u003cli\u003eInstallations where left-door or right-door configuration flexibility is needed\u003c\/li\u003e\n\u003cli\u003eLong-term home wellness investments where build quality and material durability matter\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\u003eThis is a made-to-order product with a lead time of 12 to 13 weeks from order confirmation. Please plan your purchase and installation timeline accordingly.\u003c\/li\u003e\n\u003cli\u003eSelect your door configuration carefully — Left Side (14-ASTRADL) or Right Side (14-ASTRADR) — as made-to-order items may not be eligible for exchange after production begins.\u003c\/li\u003e\n\u003cli\u003eThe Harvia Virta electric heater requires a suitable electrical connection. Consult a licensed electrician to verify your installation location meets the heater's voltage and amperage requirements before purchasing.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is strongly recommended. Improper assembly may create a safety hazard and may affect any applicable warranty.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation in the installation space. Do not operate the sauna in an unventilated or sealed room.\u003c\/li\u003e\n\u003cli\u003eDo not leave the sauna unattended while in operation. Follow all heater and cabin manufacturer operating instructions included with the unit.\u003c\/li\u003e\n\u003cli\u003eThis product is intended for adult use. Keep children away from the sauna during operation.\u003c\/li\u003e\n\u003cli\u003eReview the full manufacturer spec sheet for complete dimensional and electrical specifications before finalizing your installation plan. Contact us with any pre-purchase questions.\u003c\/li\u003e\n\u003cli\u003eConsult a qualified healthcare professional before use if you have any medical conditions, are pregnant, or are taking medications that may be affected by heat exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does it take to receive the ThermaSol Astra?\u003c\/summary\u003e\n\u003cp\u003eThe ThermaSol Astra is a made-to-order product with a lead time of 12 to 13 weeks from order confirmation. Free USA shipping is included. Please factor this timeline into your installation planning before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the left-door and right-door variants?\u003c\/summary\u003e\n\u003cp\u003eThe left-door variant (14-ASTRADL) has the door hinged on the left side, and the right-door variant (14-ASTRADR) has the door hinged on the right side. Select the configuration that best suits your installation space and traffic flow before ordering, as made-to-order items may not be eligible for exchange after production begins.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat heater is included with the Astra?\u003c\/summary\u003e\n\u003cp\u003eThe ThermaSol Astra includes a Harvia Virta electric heater. Full electrical specifications — including wattage and voltage requirements — are available in the manufacturer spec sheet. A licensed electrician should handle the electrical connection.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the semi-panoramic glass panels?\u003c\/summary\u003e\n\u003cp\u003eThe semi-panoramic glass panels are transparent glass sections that form part of the cabin walls, creating an open, visually spacious feel inside the sauna. They are a key design feature that distinguishes the Astra from fully enclosed traditional sauna cabins.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is thermo-aspen and why is it used for the benches?\u003c\/summary\u003e\n\u003cp\u003eThermo-aspen is a heat-treated wood that has been processed to improve its resistance to moisture absorption and warping — properties that are important in the high-heat, high-humidity environment of a sauna. It is a practical and durable bench material for long-term daily use.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes the Astra require professional installation?\u003c\/summary\u003e\n\u003cp\u003eProfessional installation is strongly recommended. The unit ships flat-packed with assembly instructions, but correct assembly and safe electrical connection require appropriate skills and tools. A licensed electrician must handle the heater connection.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the full dimensions of the Astra?\u003c\/summary\u003e\n\u003cp\u003eFull interior and exterior dimensions are available in the manufacturer spec sheet. Please review the spec sheet or contact us before purchasing to confirm the Astra will fit your intended installation space.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs the RGB LED lighting adjustable?\u003c\/summary\u003e\n\u003cp\u003eYes. The integrated RGB LED lighting allows you to select from a range of colors to customize the visual ambiance of your sauna session. Controls are built into the cabin.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-closing\"\u003e\n\u003cp\u003eThe ThermaSol Astra is a well-specified, design-forward indoor sauna cabin built around quality materials — Harvia Virta heating, thermo-aspen benches, multi-layer insulation, and semi-panoramic glass — in a configuration that suits modern home interiors. If you're planning a premium home sauna installation and want a complete, made-to-order solution with a reputable heater included, the Astra is worth serious consideration. Review the spec sheet, confirm your door configuration, and contact us with any questions before ordering.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cp class=\"product-disclaimer\" style=\"text-align: center;\"\u003e\u003csmall\u003e\u003cem\u003eThis product is intended for general wellness and relaxation use. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any medical condition. Consult a qualified healthcare professional before use if you have any health concerns.\u003c\/em\u003e\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\": \"How long does it take to receive the ThermaSol Astra?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The ThermaSol Astra is a made-to-order product with a lead time of 12 to 13 weeks from order confirmation. Free USA shipping is included.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between the left-door and right-door variants?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The left-door variant (14-ASTRADL) has the door hinged on the left side, and the right-door variant (14-ASTRADR) has the door hinged on the right side. Select the configuration that best suits your installation space before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What heater is included with the Astra?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The ThermaSol Astra includes a Harvia Virta electric heater. Full electrical specifications are available in the manufacturer spec sheet. A licensed electrician should handle the electrical connection.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are the semi-panoramic glass panels?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The semi-panoramic glass panels are transparent glass sections that form part of the cabin walls, creating an open, visually spacious feel inside the sauna.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is thermo-aspen and why is it used for the benches?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Thermo-aspen is a heat-treated wood processed to improve its resistance to moisture absorption and warping — important properties in the high-heat, high-humidity environment of a sauna.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the Astra require professional installation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Professional installation is strongly recommended. 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