{"product_id":"harvia-36-duo-wood-burning-sauna-stove","title":"Harvia 36 Duo Wood Burning Sauna Stove with Fireplace View","description":"\u003csection class=\"product-intro\"\u003e\n\u003cp\u003eThe Harvia 36 Duo is a wood-burning sauna stove and open-flame fireplace combined into a single floor-standing unit. Designed for larger sauna rooms between 494 and 1,272 cubic feet, it delivers the authentic heat and atmosphere of a traditional wood-fired sauna while offering the visual warmth of a real fire through its large glass door. Built with a high-quality stainless steel outer casing and a steel-framed glass door, the Duo is engineered for durability and long-term performance. An optional pipe-mounted water heater can be added for those who want hot water integrated into their sauna setup.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-why-choose\"\u003e\n\u003ch2\u003eWhy Customers Choose the Harvia 36 Duo\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo functions in one unit: wood-burning sauna heater and fireplace with visible flame\u003c\/li\u003e\n\u003cli\u003eHeats large sauna rooms from 494 to 1,272 cubic feet\u003c\/li\u003e\n\u003cli\u003eHigh-quality stainless steel construction for lasting durability\u003c\/li\u003e\n\u003cli\u003eLarge steel-framed glass door for an open-fire aesthetic\u003c\/li\u003e\n\u003cli\u003eUL Listed for safety compliance in the US and Canada\u003c\/li\u003e\n\u003cli\u003eCompatible with an optional pipe-mounted water heater\u003c\/li\u003e\n\u003cli\u003eMade in Finland by Harvia, a trusted sauna equipment manufacturer\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 class=\"highlight-icon highlight-icon--fire\"\u003eWood-Burning Heater and Fireplace in One\u003c\/h3\u003e\n\u003cp\u003eThe Duo's dual-function design lets you heat your sauna to bathing temperature while enjoying the ambiance of a visible wood fire — a combination that enhances the traditional sauna experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-icon highlight-icon--capacity\"\u003eLarge Room Capacity\u003c\/h3\u003e\n\u003cp\u003eRated for sauna rooms between 494 and 1,272 cubic feet, the 36 Duo is well-suited for spacious home saunas and custom sauna builds that require substantial heating output.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-icon highlight-icon--build\"\u003eStainless Steel Construction\u003c\/h3\u003e\n\u003cp\u003eThe outer casing is made from high-quality stainless steel, providing resistance to heat, moisture, and corrosion for reliable performance over many years of use.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-icon highlight-icon--glass\"\u003eLarge Glass Door\u003c\/h3\u003e\n\u003cp\u003eThe steel-framed glass door provides a clear view of the fire, adding a visual element to the sauna environment while maintaining the structural integrity of the stove.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-icon highlight-icon--water\"\u003eOptional Water Heater Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe Duo can be equipped with a pipe-mounted water heater, allowing you to integrate a hot water source directly into your sauna setup without a separate appliance.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"highlight-item\"\u003e\n\u003ch3 class=\"highlight-icon highlight-icon--certified\"\u003eUL Listed\u003c\/h3\u003e\n\u003cp\u003eThe Harvia 36 Duo carries UL Listing, confirming it has been independently tested and meets recognized safety standards for residential use in the United States and Canada.\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 class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eHarvia 36 Duo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Type\u003c\/th\u003e\n\u003ctd\u003eWood Burning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation Type\u003c\/th\u003e\n\u003ctd\u003eFloor Standing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom Size (Min)\u003c\/th\u003e\n\u003ctd\u003e494 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom Size (Max)\u003c\/th\u003e\n\u003ctd\u003e1,272 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e21\" (533 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDepth\u003c\/th\u003e\n\u003ctd\u003e21\" (533 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e32\" (813 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e300 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Casing\u003c\/th\u003e\n\u003ctd\u003eHigh-quality stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDoor\u003c\/th\u003e\n\u003ctd\u003eSteel-framed glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStones Required\u003c\/th\u003e\n\u003ctd\u003e4 boxes (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater Heater\u003c\/th\u003e\n\u003ctd\u003eOptional pipe-mounted (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eUL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eFinland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eWKPR36DUOS\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\u003eLarge home saunas between 494 and 1,272 cubic feet\u003c\/li\u003e\n\u003cli\u003eSauna enthusiasts who prefer the experience of a traditional wood-fired heat source\u003c\/li\u003e\n\u003cli\u003eCustom sauna builds where a fireplace aesthetic is part of the design\u003c\/li\u003e\n\u003cli\u003eHomeowners who want the option to add an integrated hot water source\u003c\/li\u003e\n\u003cli\u003eBuyers seeking a UL Listed wood-burning stove from an established Finnish manufacturer\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\u003e\n\u003cstrong\u003eProfessional installation required.\u003c\/strong\u003e Wood-burning sauna stoves require proper chimney and flue installation. All work must be performed by a qualified installer in accordance with local building and fire codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChimney system required.\u003c\/strong\u003e A compatible chimney must be installed before use. Refer to the chimney installation manual for specifications and clearance requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSauna stones not included.\u003c\/strong\u003e Four boxes of sauna stones are required for operation. Stones must be loaded and arranged as specified in the installation manual before first use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum clearances must be observed.\u003c\/strong\u003e Maintain required distances from walls, benches, and combustible materials as specified in the installation manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater heater sold separately.\u003c\/strong\u003e The optional pipe-mounted water heater is not included and must be purchased and installed separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Listed.\u003c\/strong\u003e This stove meets UL safety standards for residential use in the United States and Canada.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDownload the installation manuals\u003c\/strong\u003e before beginning any installation work. Follow all manufacturer instructions and applicable local codes.\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 class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhat size sauna room is the Harvia 36 Duo designed for?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe Harvia 36 Duo is rated for sauna rooms between 494 and 1,272 cubic feet. Room size calculations should account for ceiling height, insulation, and any glass or non-insulated surfaces. Consult a professional if you are unsure whether this stove is the right fit for your space.\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 a wood-burning stove only, or does it also function as a fireplace?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe Harvia 36 Duo functions as both a wood-burning sauna heater and a fireplace. The large glass door allows you to see the fire while the stove heats the sauna room, combining functional heating with a traditional open-fire aesthetic.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eAre sauna stones included with the Harvia 36 Duo?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eNo. Four boxes of sauna stones are required for operation but are not included with this stove. Stones must be purchased separately and loaded according to the instructions in the installation manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eDoes the Harvia 36 Duo require a chimney?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eYes. As a wood-burning stove, the Harvia 36 Duo requires a properly installed chimney and flue system. A chimney installation manual is available — download it before beginning installation and ensure all work complies with local building and fire codes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eCan I add a water heater to the Harvia 36 Duo?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eYes. The Harvia 36 Duo is compatible with an optional pipe-mounted water heater that can be added to integrate a hot water source into your sauna. The water heater is sold separately and must be installed according to the manufacturer's instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eIs the Harvia 36 Duo UL Listed?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eYes. The Harvia 36 Duo is UL Listed, meaning it has been independently tested and meets recognized safety standards for residential use in the United States and Canada.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary class=\"faq-question\"\u003eWhere is the Harvia 36 Duo manufactured?\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer\"\u003e\n\u003cp\u003eThe Harvia 36 Duo is manufactured in Finland. Harvia has been producing sauna equipment for decades and is one of the most recognized names in the sauna industry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/section\u003e\n\n\u003csection class=\"product-closing\"\u003e\n\u003cp\u003eThe Harvia 36 Duo is a well-built, dual-function sauna stove for homeowners who want the authentic experience of a wood-fired sauna with the added character of a visible flame. If you have questions about sizing, chimney compatibility, or the optional water heater, contact us before ordering — we're here to help you make the right choice.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cp style=\"text-align:center;\"\u003e\u003csmall\u003eThis product is a sauna heating appliance. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any health condition. Consult a qualified healthcare provider before use if you have any medical 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 size sauna room is the Harvia 36 Duo designed for?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Harvia 36 Duo is rated for sauna rooms between 494 and 1,272 cubic feet. Room size calculations should account for ceiling height, insulation, and any glass or non-insulated surfaces. Consult a professional if you are unsure whether this stove is the right fit for your space.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this a wood-burning stove only, or does it also function as a fireplace?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Harvia 36 Duo functions as both a wood-burning sauna heater and a fireplace. The large glass door allows you to see the fire while the stove heats the sauna room, combining functional heating with a traditional open-fire aesthetic.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are sauna stones included with the Harvia 36 Duo?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Four boxes of sauna stones are required for operation but are not included with this stove. 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Harvia has been producing sauna equipment for decades and is one of the most recognized names in the sauna industry.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Finnish Sauna Builders","offers":[{"title":"Default Title","offer_id":50263967662319,"sku":"WKPR36DUOS","price":3315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/7568\/4079\/files\/36Duo_Profile-2.jpg?v=1785267072","url":"https:\/\/intentionalwellnesslab.com\/products\/harvia-36-duo-wood-burning-sauna-stove","provider":"Intentional Wellness Lab","version":"1.0","type":"link"}