{"product_id":"harvia-pro-20-ls-wood-burning-sauna-stove-water-tank","title":"Harvia Pro 20 LS Wood-Burning Sauna Stove with Water Tank","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 Pro 20 LS is a wood-burning sauna stove with an integrated 30-liter water tank, making it a practical choice for cottage and residential saunas where hot water is needed alongside sauna heat. The water tank is fixed to the left side of the stove and heats passively as the stove is fired, so hot water is ready by the time the sauna reaches temperature. The stove features a stainless-steel front panel, a graphite-black outer casing, and a glass-panel firebox door that allows the fire to be viewed during use. With a stone compartment sized for at least 88 lbs of sauna stones and a chimney-connected wood-burning design, the Pro 20 LS is a well-rounded stove for traditional sauna builds. 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\u003eIntegrated 30-liter water tank heats passively while the stove fires — no separate water heater needed\u003c\/li\u003e\n\u003cli\u003eGlass-panel firebox door allows the fire to be viewed during the sauna session\u003c\/li\u003e\n\u003cli\u003eStainless-steel front panel with graphite-black outer casing — durable and clean-looking\u003c\/li\u003e\n\u003cli\u003eLarge stone compartment (minimum 88 lbs) for consistent, even heat and traditional steam production\u003c\/li\u003e\n\u003cli\u003eWood-burning design for a traditional Finnish sauna experience without reliance on electricity\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\"\u003eIntegrated 30-Liter Water Tank\u003c\/h3\u003e\n\u003cp\u003eThe fixed 30-liter water tank is mounted on the left side of the stove and heats passively from the stove’s heat output while the sauna is being fired. This provides a supply of hot water for rinsing or other use without requiring a separate water heating system.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eGlass-Panel Firebox Door\u003c\/h3\u003e\n\u003cp\u003eThe firebox door features a glass panel that allows bathers to view the fire during the sauna session. The door frame is robust and designed for repeated high-temperature use.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eStainless-Steel Front with Graphite-Black Casing\u003c\/h3\u003e\n\u003cp\u003eThe front panel is finished in stainless steel, while the outer casing is painted graphite black. This combination provides a clean, professional appearance suited to 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\"\u003eLarge Stone Compartment\u003c\/h3\u003e\n\u003cp\u003eThe stove accommodates a minimum of 88 lbs of sauna stones (sold separately), providing the thermal mass needed for consistent heat and traditional steam (löyly) production when water is poured over the stones.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eWood-Burning Design\u003c\/h3\u003e\n\u003cp\u003eThe Pro 20 LS is a chimney-connected wood-burning stove, making it suitable for sauna installations where electricity is limited or where a traditional wood-fired sauna experience is preferred.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cs-highlight-item\"\u003e\n\u003ch3 class=\"cs-highlight-title\"\u003eMade in Finland by Harvia\u003c\/h3\u003e\n\u003cp\u003eThe Pro 20 LS is designed and manufactured in Finland by Harvia, a company with a long track record in sauna equipment production for residential and commercial use.\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 Pro 20 LS\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\"\u003eWater Tank Capacity\u003c\/td\u003e\n\u003ctd\u003e30 liters (integrated, left-side mounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eMinimum Stone Requirement\u003c\/td\u003e\n\u003ctd\u003e88 lbs (stones sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eFront Panel Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eOuter Casing Finish\u003c\/td\u003e\n\u003ctd\u003eGraphite black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eFirebox Door\u003c\/td\u003e\n\u003ctd\u003eGlass panel\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, chimney-connected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"cs-spec-label\"\u003eShipping Weight (approx.)\u003c\/td\u003e\n\u003ctd\u003e350 lbs\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\u003e6417659017831\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\u003eCottage and residential saunas where hot water availability alongside sauna heat is a priority\u003c\/li\u003e\n\u003cli\u003eInstallations where electricity is limited or unavailable and wood-burning heat is preferred\u003c\/li\u003e\n\u003cli\u003eOwners who want a traditional Finnish wood-fired sauna experience with a glass-door firebox\u003c\/li\u003e\n\u003cli\u003eNew sauna builds requiring a floor-standing, chimney-connected wood stove with an integrated water supply\u003c\/li\u003e\n\u003cli\u003eSauna rooms sized for a residential or cottage-scale wood-burning stove\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\u003eSauna stones are not included. A minimum of 88 lbs of sauna-rated stones are required. Use only stones specifically rated for sauna use — standard rocks or landscaping stones can crack or shatter under high heat.\u003c\/li\u003e\n\u003cli\u003eThe integrated water tank holds 30 liters. Ensure the tank is filled with water before firing the stove. Operating the stove with an empty tank can damage the tank.\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\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 stove is intended for indoor sauna use only. Do not operate in outdoor, unenclosed, or improperly ventilated environments.\u003c\/li\u003e\n\u003cli\u003eContact our team or a qualified installer if you have questions about chimney sizing, clearance requirements, or installation specifications 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\"\u003eHow does the integrated water tank work?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe 30-liter water tank is fixed to the left side of the stove and heats passively from the stove’s heat output as the sauna is being fired. By the time the sauna reaches temperature, the water in the tank is hot and ready for use. The tank must be filled with water before the stove is lit — operating with an empty tank can cause damage.\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. A minimum of 88 lbs of sauna-rated stones are required. 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 Pro 20 LS is a wood-burning stove and requires a properly constructed chimney system for safe operation. Chimney sizing, clearance requirements, and installation specifications should be reviewed before beginning installation. 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\"\u003eCan I pour water on the stones?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eYes. The stone compartment is designed to accommodate traditional löyly — pouring water over the stones to produce steam. Always follow the manufacturer’s guidelines for water use to avoid damage to the stove components.\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 floor surface is required under the stove?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe stove must be installed on a non-combustible floor surface or a properly constructed non-combustible hearth pad. The specific requirements are detailed in the installation manual. Verify compliance with local building and fire codes before installation.\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 off-grid or cottage use?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eYes. The Pro 20 LS is a wood-burning stove with no electrical requirements for heating operation, making it well-suited for cottage and off-grid sauna installations. The integrated water tank also reduces the need for a separate water heating system in locations where hot water infrastructure is limited.\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 Pro 20 LS manufactured?\u003c\/summary\u003e\n\u003cdiv class=\"cs-faq-answer\"\u003e\u003cp\u003eThe Harvia Pro 20 LS 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 Pro 20 LS is a practical, well-specified wood-burning sauna stove for cottage and residential installations where integrated hot water and traditional wood-fired heat are both priorities. If you have questions about chimney requirements, stone sizing, or whether this stove is the right fit for your sauna build, contact our team before ordering.\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\": \"How does the integrated water tank work?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 30-liter water tank is fixed to the left side of the stove and heats passively from the stove's heat output as the sauna is being fired. The tank must be filled with water before the stove is lit.\"\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. A minimum of 88 lbs of sauna-rated stones are required.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does this stove require a chimney?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The Harvia Pro 20 LS 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\": \"Can I pour water on the stones?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The stone compartment is designed to accommodate traditional loyly, pouring water over the stones to produce steam.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What floor surface is required under the stove?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The stove must be installed on a non-combustible floor surface or a properly constructed non-combustible hearth pad. Verify requirements in the installation manual.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this stove suitable for off-grid or cottage use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The Pro 20 LS is a wood-burning stove with no electrical requirements for heating operation, making it well-suited for cottage and off-grid sauna installations.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Where is the Harvia Pro 20 LS manufactured?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Harvia Pro 20 LS 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":50263960682735,"sku":"WKPR20LSM","price":2153.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/7568\/4079\/files\/Harvia_20_LS_Pro_WK200LS.jpg?v=1785267065","url":"https:\/\/intentionalwellnesslab.com\/products\/harvia-pro-20-ls-wood-burning-sauna-stove-water-tank","provider":"Intentional Wellness Lab","version":"1.0","type":"link"}