{"product_id":"harvia-duo-series-31kw-wood-sauna-stove","title":"Harvia 36 Duo Wood Burning Sauna Stove","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003c!-- TRUST --\u003e\n\u003cdiv style=\"margin: 15px 0; padding: 12px 14px; border: 1px solid #e5e5e5; border-radius: 8px; font-size: 14px; line-height: 1.5; background: #fafafa;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 6px;\"\u003eShop with Confidence\u003c\/strong\u003e\n\u003cul style=\"padding-left: 18px; margin: 0;\"\u003e\n\u003cli\u003eAuthorized Retailer of Harvia\u003c\/li\u003e\n\u003cli\u003eManufacturer Warranty Included\u003c\/li\u003e\n\u003cli\u003eFree Freight Delivery to the Contiguous US\u003c\/li\u003e\n\u003cli\u003eSecure Checkout\u003c\/li\u003e\n\u003cli\u003eU.S.-Based Customer Support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eHarvia 36 Duo Wood Burning Sauna Stove\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHarvia 36 Duo Wood Burning Sauna Stove\u003c\/strong\u003e combines a traditional wood-burning sauna heater with the added ambience of a fireplace-style loading side, creating a distinctive two-room heating experience. Designed for larger sauna spaces, the 36 Duo allows you to heat the sauna from an adjoining room while enjoying the warmth and visual appeal of the fire through its large steel-framed glass door.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with a \u003cstrong\u003edurable stainless steel outer casing\u003c\/strong\u003e, this floor-standing wood-burning sauna stove is designed for dependable performance and a timeless sauna atmosphere. The Harvia 36 Duo is an ideal choice for those seeking authentic wood-fired sauna bathing paired with the comfort and charm of a connected fireplace room or changing area.\u003c\/p\u003e\n\n\u003cp\u003eDesigned, engineered, and manufactured in Finland, the Harvia 36 Duo delivers strong heating performance for larger sauna rooms while maintaining the clean, functional styling Harvia is known for.\u003c\/p\u003e\n\n\u003cdetails open=\"\" style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eOverview\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.6;\"\u003e\n\u003cli\u003eWood-burning sauna stove with adjoining-room fireplace-style loading side\u003c\/li\u003e\n\u003cli\u003eDesigned to heat the sauna while allowing firewood loading from a second room\u003c\/li\u003e\n\u003cli\u003eIdeal for larger sauna rooms\u003c\/li\u003e\n\u003cli\u003eDurable stainless steel outer casing\u003c\/li\u003e\n\u003cli\u003eLarge steel-framed glass door for added ambience\u003c\/li\u003e\n\u003cli\u003eFloor-standing design with adjustable feet\u003c\/li\u003e\n\u003cli\u003eDesigned, engineered, and made in Finland\u003c\/li\u003e\n\u003cli\u003eUL listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eWhy Choose the Harvia 36 Duo?\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003cp\u003eThe Harvia 36 Duo is designed for sauna owners who want more than a standard wood-burning heater. Its dual-room concept allows the fire to be loaded from an adjoining space, helping preserve the traditional sauna atmosphere inside while creating a warm, welcoming focal point outside the sauna room.\u003c\/p\u003e\n\u003cp\u003eThis makes the 36 Duo especially appealing for premium residential sauna projects where function, ambience, and authentic wood-fired performance all matter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eKey Features\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-in-1 Concept:\u003c\/strong\u003e Combines a sauna heater and fireplace-style loading experience\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Room Capacity:\u003c\/strong\u003e Designed for sauna rooms from 494 to 1271 cubic feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Wood-Fired Bathing:\u003c\/strong\u003e Supports a traditional sauna experience with strong heat and steam potential\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Stainless steel outer casing built for demanding sauna environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass Fire Door:\u003c\/strong\u003e Large steel-framed glass door adds visual warmth to the adjoining room\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloor Model Design:\u003c\/strong\u003e Adjustable feet support installation flexibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessory Compatible:\u003c\/strong\u003e Can be equipped with a pipe-mounted water heater on compatible installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSauna Stones Required:\u003c\/strong\u003e 3 boxes of stones required to operate, sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eWhat's Included\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.6;\"\u003e\n\u003cli\u003eHarvia 36 Duo Sauna Stove\u003c\/li\u003e\n\u003cli\u003eAdjustable Legs\u003c\/li\u003e\n\u003cli\u003eStove Door\u003c\/li\u003e\n\u003cli\u003eAsh Box\u003c\/li\u003e\n\u003cli\u003eInstallation and Operation Manual\u003c\/li\u003e\n\u003cli\u003eManufacturer Warranty Documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eInstallation Notes\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.6;\"\u003e\n\u003cli\u003eFor sauna rooms from 494 to 1271 cubic feet\u003c\/li\u003e\n\u003cli\u003eMinimum room height: 81.1\" (2060 mm)\u003c\/li\u003e\n\u003cli\u003eFloor-standing installation\u003c\/li\u003e\n\u003cli\u003eTop flue connection\u003c\/li\u003e\n\u003cli\u003eFollow all Harvia installation instructions, clearance requirements, and local building and fire codes\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended\u003c\/li\u003e\n\u003cli\u003eSauna stones required and sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eSpecifications\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e36 Duo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eWood Burning Sauna Stove\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eKilowatt Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e31 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003ePrimary Fuel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eWood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eSauna Room Size Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e494 to 1271 cubic feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eMinimum Room Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e81.1\" (2060 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eMaximum Firewood Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e15.3\" (390 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDiameter of Firewood\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3\" to 6\" (80 to 150 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eStone Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e132 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eStone Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e3 boxes required, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eFlue Connection Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eTop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eHeater Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e176 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eShipping Weight with Sauna Stones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e308 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e20\" (510 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDepth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e31\" (790 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e32\" (810 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eListing Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eShipping \u0026amp; Delivery\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003cp\u003eThis sauna heater ships free via freight and requires a scheduled delivery appointment. It generally arrives on a wooden pallet with protective packaging. The carrier provides delivery service to the address, with limited on-site assistance.\u003c\/p\u003e\n\u003cp\u003eIn some cases, shipment coordination may be required before dispatch to review access, site conditions, or any special delivery considerations that could affect timing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eManuals \u0026amp; Downloads\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; line-height: 1.6;\"\u003e\n\u003cli\u003e\u003ca rel=\"nofollow\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/Harvia_Sauna_Stove_IOM.pdf?v=1776304025\" target=\"_blank\"\u003eView Installation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"nofollow\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/Hariva-PRO36-Safety.pdf?v=1776304023\" target=\"_blank\"\u003eView Safety Information\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"nofollow\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/Hariva-PRO36-Accessories.pdf?v=1776304015\" target=\"_blank\"\u003eView Accessories Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"nofollow\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/Hariva-PRO36-Spare-Parts.pdf?v=1776304014\" target=\"_blank\"\u003eView Spare Parts Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"nofollow\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/Hariva-PRO36-DOP.pdf?v=1776304011\" target=\"_blank\"\u003eView Declaration of Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"nofollow\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/Harvia_Stone_Requirements_02.27.25_3.pdf?v=1776304007\" target=\"_blank\"\u003eView Stone Requirements\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"nofollow\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/Hariva-PRO36DUO-datasheet.pdf?v=1776304302\" target=\"_blank\"\u003eView Product Datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border: 1px solid #ededed; border-radius: 12px; padding: 14px 16px; margin: 12px 0; background: #fff;\"\u003e\n\u003csummary style=\"cursor: pointer;\"\u003e\u003ch3 style=\"display: inline; font-size: 1em; margin: 0;\"\u003eWarranty\u003c\/h3\u003e\u003c\/summary\u003e\n\u003cdiv style=\"margin-top: 10px; color: #333;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0;\"\u003eThis product includes a \u003cstrong\u003elimited 1-year warranty for consumer use\u003c\/strong\u003e and a \u003cstrong\u003elimited 1-year warranty for commercial use\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003ca rel=\"nofollow\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/Harvia-Warranty.pdf?v=1776299713\" target=\"_blank\"\u003eView Harvia Warranty\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":41218151841850,"sku":"WKPR36DUOS","price":3415.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/9840\/7738\/files\/harvia_36-duo_heaters_1-500x500.jpg?v=1777745820","url":"https:\/\/primeregeneration.com\/products\/harvia-duo-series-31kw-wood-sauna-stove","provider":"Prime Regeneration","version":"1.0","type":"link"}