{"product_id":"harvia-wood-burning-sauna-stove-series","title":"Pro 20 \/ 20 SL \/ 26 \/ 36 Duo — Wood Burning Sauna Stove","description":"\u003ch2 style=\"text-align: center;\"\u003e\n\u003cstrong\u003eHarvia Wood Burning Sauna Stove Series (Pro 20, 20 SL, 26, 36 Duo)\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003cp\u003e\nExperience authentic Finnish sauna heat with the \u003cstrong\u003eHarvia Pro Series Wood Burning Sauna Stove in the USA\u003c\/strong\u003e. \nFeel the crackle of birch wood, the thick rising steam when water hits the hot stones, and the deep warmth that penetrates your body — something no electric heater can match. \nBuilt in Finland, engineered for a lifetime, the Pro Series is available in four models to fit any sauna, any space, and any vision.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e🔥 Key Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e🪨 \u003cstrong\u003eMassive Stone Capacity:\u003c\/strong\u003e Retains heat longer and produces thick, satisfying steam for a true Nordic sauna experience.\u003c\/li\u003e\n\u003cli\u003e🔥 \u003cstrong\u003eAuthentic Wood-Fire Heat:\u003c\/strong\u003e Radiant, natural warmth with the classic crackle of a real fire.\u003c\/li\u003e\n\u003cli\u003e🏭 \u003cstrong\u003eDesigned \u0026amp; Made in Finland:\u003c\/strong\u003e Engineered in the birthplace of the sauna, with decades of expertise.\u003c\/li\u003e\n\u003cli\u003e⚙️ \u003cstrong\u003eCommercial-Grade Steel Construction:\u003c\/strong\u003e Heavy-gauge steel with cast-iron and stainless steel components ensures decades of durability.\u003c\/li\u003e\n\u003cli\u003e📐 \u003cstrong\u003eAdjustable Legs for Easy Installation:\u003c\/strong\u003e Fine-tune the height to match your floor clearance and heat shield requirements.\u003c\/li\u003e\n\u003cli\u003e🏡 \u003cstrong\u003eFour Models – One Right Fit:\u003c\/strong\u003e From compact home saunas to dual-room setups, there’s a Pro Series stove for every space.\u003c\/li\u003e\n\u003cli\u003e💧 \u003cstrong\u003eWater Heater Compatible (Pro 26):\u003c\/strong\u003e Connect a pipe-mounted water heater for off-grid hot water solutions.\u003c\/li\u003e\n\u003cli\u003e🔑 \u003cstrong\u003eNo Electricity Required:\u003c\/strong\u003e Pure wood-fire operation, perfect for remote cabins, backyard, or off-grid saunas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e📌 Variant Short Descriptions\u003c\/h2\u003e\n\u003cdiv\u003e\n  \u003ch3\u003ePro 20 – Standard\u003c\/h3\u003e\n  \u003cp\u003eFrom $1,462 — Ideal for small to medium home saunas (~200–530 cu. ft.). Offers genuine Finnish wood-fire heat with adjustable legs and a cast-iron glass door.\u003c\/p\u003e\n\n  \u003ch3\u003ePro 20 SL – Slim\u003c\/h3\u003e\n  \u003cp\u003eFrom $2,080 — Same 20 kW output as the standard Pro 20 but in a slimline profile for tight spaces and alcoves.\u003c\/p\u003e\n\n  \u003ch3\u003ePro 26 – Performance\u003c\/h3\u003e\n  \u003cp\u003eFrom $1,937.78 — High-output 26 kW model for larger saunas or cabins. Large stone capacity ensures stable temperature and rich steam.\u003c\/p\u003e\n\n  \u003ch3\u003e36 Duo – Dual Room\u003c\/h3\u003e\n  \u003cp\u003eFrom $3,203.33 — 31 kW commercial-grade stove that heats both sauna (~1,271 cu. ft.) and adjoining lounge simultaneously. Perfect for lodges, retreats, or luxury residential setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e🛠 How to Choose the Right Model\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall home sauna under 530 cu. ft.\u003c\/strong\u003e → Pro 20 Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSauna with limited floor space.\u003c\/strong\u003e → Pro 20 SL Slim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarger sauna, frequent use.\u003c\/strong\u003e → Pro 26 Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat sauna + adjoining lounge.\u003c\/strong\u003e → 36 Duo Dual Room\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e📦 What's Included With Every Model\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSauna stove body\u003c\/li\u003e\n\u003cli\u003eAdjustable legs\u003c\/li\u003e\n\u003cli\u003eCast-iron glass door (Pro Series) \/ Steel-framed glass door (36 Duo)\u003c\/li\u003e\n\u003cli\u003eAsh box\u003c\/li\u003e\n\u003cli\u003eInstallation and operation manual\u003c\/li\u003e\n\u003cli\u003eFull Harvia manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Sauna stones are not included and must be purchased separately. The 36 Duo requires 3 boxes of stones (132 lb capacity).\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e📊 Full Specifications by Model\u003c\/h2\u003e\n\n\u003ch3\u003ePro 20 Standard (WKPR20M)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e20 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eWood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Sauna Size\u003c\/td\u003e\n\u003ctd\u003e~200 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Sauna Size\u003c\/td\u003e\n\u003ctd\u003e~530 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Material\u003c\/td\u003e\n\u003ctd\u003eCast Iron with Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Legs\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlue Connection\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGraphite Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Heater Compatible\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Dimensions\u003c\/td\u003e\n\u003ctd\u003e430 × 510 × 810 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePro 20 SL Slimline (WK200SL)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e20 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eWood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Sauna Size\u003c\/td\u003e\n\u003ctd\u003e~200 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Sauna Size\u003c\/td\u003e\n\u003ctd\u003e~530 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Material\u003c\/td\u003e\n\u003ctd\u003eGlass Front\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Legs\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlue Connection\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGraphite Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfile\u003c\/td\u003e\n\u003ctd\u003eSlimline – reduced depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdeal for\u003c\/td\u003e\n\u003ctd\u003eTight alcoves, narrow rooms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePro 26 Performance (WKPR26M)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e26 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eWood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Sauna Size\u003c\/td\u003e\n\u003ctd\u003e~300 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Sauna Size\u003c\/td\u003e\n\u003ctd\u003e~800 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Material\u003c\/td\u003e\n\u003ctd\u003eCast Iron with Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirflow Component\u003c\/td\u003e\n\u003ctd\u003eStainless Steel Spoiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Legs\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlue Connection\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Heater Compatible\u003c\/td\u003e\n\u003ctd\u003eYes (pipe-mounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGraphite Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Dimensions\u003c\/td\u003e\n\u003ctd\u003e430 × 510 × 810 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Weight\u003c\/td\u003e\n\u003ctd\u003e65–75 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e36 Duo Dual Room (WKPR36DUOS)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e31 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eWood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Sauna Size\u003c\/td\u003e\n\u003ctd\u003e494 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Sauna Size\u003c\/td\u003e\n\u003ctd\u003e1,271 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin. Room Height\u003c\/td\u003e\n\u003ctd\u003e81.1\" (2,060 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStone Capacity\u003c\/td\u003e\n\u003ctd\u003e132 lbs (3 boxes, sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Firewood Length\u003c\/td\u003e\n\u003ctd\u003e15.3\" (390 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirewood Diameter\u003c\/td\u003e\n\u003ctd\u003e3–6\" (80–150 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoor Material\u003c\/td\u003e\n\u003ctd\u003eLarge Steel-Framed Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Casing\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Feet\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlue Connection\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater Weight\u003c\/td\u003e\n\u003ctd\u003e176 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight (w\/ stones)\u003c\/td\u003e\n\u003ctd\u003e308 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W×D×H)\u003c\/td\u003e\n\u003ctd\u003e20\" × 31\" × 32\" (510×790×810 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Feature\u003c\/td\u003e\n\u003ctd\u003eHeats 2 rooms simultaneously\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMade In\u003c\/td\u003e\n\u003ctd\u003eFinland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Harvia","offers":[{"title":"Pro 20 – Standard","offer_id":48338479775964,"sku":"WKPR20M","price":1462.22,"currency_code":"USD","in_stock":true},{"title":"Pro 20 SL – Slim","offer_id":48338479808732,"sku":"WK200SL","price":2080.0,"currency_code":"USD","in_stock":true},{"title":"Pro 26 Performance","offer_id":48338479841500,"sku":"WKPR26M","price":1937.78,"currency_code":"USD","in_stock":true},{"title":"36 Duo Dual Room","offer_id":48338479874268,"sku":"WKPR36DUOS","price":3203.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/8190\/3324\/files\/harvia-pro-20-wood-burning-sauna-stove-1197094019_480x480_5036f9fd-8947-434a-9c9b-9ac058294f93.jpg?v=1774583481","url":"https:\/\/saunareserve.com\/products\/harvia-wood-burning-sauna-stove-series","provider":"Sauna Reserve","version":"1.0","type":"link"}