{"product_id":"harvia-50-sl-wood-burning-sauna-stove","title":"Harvia 50 SL Wood-Burning Sauna Stove | Large-Capacity Commercial Grade","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 Harvia 50 SL is a large-capacity wood-burning sauna stove designed for commercial and high-use residential saunas. Built to heat rooms between 706 and 1,766 cubic feet, it features a through-wall firebox design that allows firewood to be loaded from outside the sauna room — so one group can enjoy the sauna while another tends the fire or relaxes by the cast-iron-framed glass door on the opposite side of the wall. With a substantial stone load capacity and a durable graphite-black finish, the 50 SL is a well-specified stove for facilities that require reliable, high-output wood-fired heat. UL listed and made in Finland by Harvia.\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 Stove\u003c\/h2\u003e\n\u003cul class=\"cs-benefit-list\"\u003e\n\u003cli\u003eThrough-wall firebox design — firewood is loaded from outside the sauna, keeping the sauna room clean and uninterrupted\u003c\/li\u003e\n\u003cli\u003eLarge stone capacity supports even, sustained heat in high-volume sauna rooms\u003c\/li\u003e\n\u003cli\u003eCast-iron-framed glass door on the firebox side allows viewing of the fire from outside the sauna\u003c\/li\u003e\n\u003cli\u003eRated for rooms from 706 to 1,766 cubic feet — suitable for commercial and large residential installations\u003c\/li\u003e\n\u003cli\u003eGraphite-black painted finish with a clean, professional appearance\u003c\/li\u003e\n\u003cli\u003eUL listed for safety compliance in North American installations\u003c\/li\u003e\n\u003cli\u003eMade in Finland by Harvia, a well-established sauna equipment manufacturer\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\"\u003eThrough-Wall Firebox Loading\u003c\/h3\u003e\n\u003cp\u003eThe stove body sits inside the sauna room while the fire chamber door faces the adjacent room or corridor. Firewood is loaded from outside the sauna, allowing the sauna session to continue uninterrupted and keeping smoke and ash away from bathers.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eCast-Iron-Framed Glass Door\u003c\/h3\u003e\n\u003cp\u003eThe firebox door features a cast-iron frame with a glass panel, allowing the fire to be viewed from the room outside the sauna. This is a practical feature for facilities where staff or guests tend the fire while others use the sauna.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eLarge Stone Capacity\u003c\/h3\u003e\n\u003cp\u003eThe 50 SL accommodates a substantial volume of sauna stones (7 boxes required, sold separately), providing the thermal mass needed for consistent, even heat distribution in large sauna rooms. A large stone load also supports traditional steam (löyly) production.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eRated for Large Sauna Rooms\u003c\/h3\u003e\n\u003cp\u003eWith a heating capacity of 706 to 1,766 cubic feet, the 50 SL is suited for commercial saunas in camp centers, sports facilities, spas, and large residential installations where standard residential heaters would be undersized.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eGraphite-Black Painted Finish\u003c\/h3\u003e\n\u003cp\u003eThe stove body is finished in graphite black, providing a clean, professional appearance that works well in both traditional and contemporary sauna interiors.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eUL Listed — Made in Finland\u003c\/h3\u003e\n\u003cp\u003eThe Harvia 50 SL is UL listed for safety compliance and manufactured in Finland by Harvia, a company with a long track record in sauna equipment production.\u003c\/p\u003e\n\u003c\/div\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\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHarvia 50 SL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eWood-burning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eRecommended Room Volume\u003c\/td\u003e\n\u003ctd\u003e706–1,766 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e21” D × 29” W × 42” H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eFloor-standing, through-wall firebox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eStone Requirement\u003c\/td\u003e\n\u003ctd\u003e7 boxes of sauna rocks (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eFirebox Door\u003c\/td\u003e\n\u003ctd\u003eCast-iron frame with glass panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGraphite black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eShipping Weight (approx.)\u003c\/td\u003e\n\u003ctd\u003e300 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eFinland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eBarcode (EAN)\u003c\/td\u003e\n\u003ctd\u003e6417659001182\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\u003eCommercial saunas in camp centers, sports facilities, spas, and wellness centers\u003c\/li\u003e\n\u003cli\u003eLarge residential saunas requiring wood-fired heat in rooms over 700 cubic feet\u003c\/li\u003e\n\u003cli\u003eInstallations where the firebox must be loaded from outside the sauna room\u003c\/li\u003e\n\u003cli\u003eFacilities where multiple users occupy the sauna simultaneously and consistent heat output is required\u003c\/li\u003e\n\u003cli\u003eOwners who prefer traditional wood-fired sauna heat over electric alternatives\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 is a wood-burning stove. Installation requires a properly constructed chimney system. Review the chimney installation requirements before ordering and ensure your installation complies with all applicable local building and fire codes.\u003c\/li\u003e\n\u003cli\u003eThe through-wall firebox design requires a wall opening to be framed during construction. Consult the installation manual for wall opening dimensions, clearance requirements, and framing specifications before beginning installation.\u003c\/li\u003e\n\u003cli\u003eSauna stones are not included. Seven boxes of sauna-rated stones are required. Use only stones rated for sauna use — standard rocks can crack or shatter under high heat.\u003c\/li\u003e\n\u003cli\u003eMaintain all minimum clearance distances specified in the installation manual between the stove body, flue pipe, and all combustible surfaces, walls, and benches.\u003c\/li\u003e\n\u003cli\u003eThis stove is intended for indoor sauna use only. Do not operate in outdoor, unenclosed, or improperly ventilated environments.\u003c\/li\u003e\n\u003cli\u003eThe stove must be installed on a non-combustible floor surface or a properly constructed non-combustible hearth pad. Verify requirements in the installation manual.\u003c\/li\u003e\n\u003cli\u003eThis product is UL listed. Verify that your installation meets all requirements specified in the UL listing and the manufacturer’s installation documentation.\u003c\/li\u003e\n\u003cli\u003eContact our team or a qualified installer if you have questions about chimney sizing, wall opening dimensions, or clearance requirements before ordering.\u003c\/li\u003e\n\u003c\/ul\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 size sauna room is the Harvia 50 SL designed for?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe Harvia 50 SL is rated for sauna rooms between 706 and 1,766 cubic feet. To calculate your room volume, multiply the interior length × width × height. For rooms with large glass walls, high ceilings, or other features that affect heat retention, consult our team for sizing guidance before ordering.\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 does the through-wall firebox work?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe stove body is installed inside the sauna room, while the fire chamber door faces an adjacent room or corridor through an opening in the wall. Firewood is loaded from outside the sauna, keeping the sauna room clean and allowing the session to continue without interruption. The cast-iron-framed glass door on the firebox side allows the fire to be viewed from outside the 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\"\u003eAre sauna stones included?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eNo. Sauna stones are sold separately. Seven boxes of sauna-rated stones are required for this stove. Use only stones specifically rated for sauna use — standard rocks or landscaping stones can crack or shatter under high heat and should not be used.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eDoes this stove require a chimney?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eYes. The Harvia 50 SL is a wood-burning stove and requires a properly constructed chimney system for safe operation. Chimney sizing, clearance requirements, and installation specifications are detailed in the chimney installation manual. All chimney work must comply with local building and fire codes and should be performed by a qualified installer.\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 wall opening is required for the through-wall installation?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe specific wall opening dimensions, framing requirements, and clearance distances are detailed in the installation manual. We recommend reviewing the manual before beginning construction so the wall opening can be framed correctly during the build.\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 the Harvia 50 SL UL listed?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eYes. The Harvia 50 SL is UL listed for safety compliance in North American installations.\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 stove suitable for residential use?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe 50 SL is primarily designed for commercial and high-use facilities such as camp centers, sports facilities, and spas, but it is also suitable for large residential saunas with room volumes in the 706–1,766 cubic foot range. For smaller residential saunas, a lower-capacity stove would typically be more appropriate.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails class=\"cs-faq-item\"\u003e\n\u003csummary class=\"cs-faq-question\"\u003eWhere is the Harvia 50 SL manufactured?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe Harvia 50 SL is designed and manufactured in Finland by Harvia.\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 Harvia 50 SL is a well-built, large-capacity wood-burning sauna stove for commercial and high-use installations. If you have questions about room sizing, chimney requirements, wall opening dimensions, or whether this stove is the right fit for your project, contact our team before ordering — we’re here to help.\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 size sauna room is the Harvia 50 SL designed for?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Harvia 50 SL is rated for sauna rooms between 706 and 1,766 cubic feet. To calculate your room volume, multiply the interior length x width x height.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does the through-wall firebox work?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The stove body is installed inside the sauna room while the fire chamber door faces an adjacent room through an opening in the wall. Firewood is loaded from outside the sauna, keeping the sauna room clean and allowing the session to continue without interruption.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are sauna stones included?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Sauna stones are sold separately. Seven boxes of sauna-rated stones are required for this stove.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does this stove require a chimney?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The Harvia 50 SL is a wood-burning stove and requires a properly constructed chimney system. All chimney work must comply with local building and fire codes.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What wall opening is required for the through-wall installation?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The specific wall opening dimensions, framing requirements, and clearance distances are detailed in the installation manual. Review the manual before beginning construction.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the Harvia 50 SL UL listed?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The Harvia 50 SL is UL listed for safety compliance in North American installations.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this stove suitable for residential use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 50 SL is primarily designed for commercial and high-use facilities but is also suitable for large residential saunas with room volumes in the 706 to 1,766 cubic foot range.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Where is the Harvia 50 SL manufactured?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Harvia 50 SL is designed and manufactured in Finland by Harvia.\"\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 wood-burning sauna stove intended for use in properly constructed sauna rooms. 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":"Default Title","offer_id":50263960715503,"sku":"WK500SL","price":8037.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/7568\/4079\/files\/Harvia_50_SL.jpg?v=1785267065","url":"https:\/\/intentionalwellnesslab.com\/products\/harvia-50-sl-wood-burning-sauna-stove","provider":"Intentional Wellness Lab","version":"1.0","type":"link"}