{"product_id":"cozy-heat-quattro-thru-wall-sauna-stove","title":"Cozy Heat Quattro Thru-Wall Sauna Stove","description":"\u003cp\u003eThe \u003cstrong\u003eCozy Quattro TW Wood Sauna Stove\u003c\/strong\u003e is a high-performance wood-burning heater engineered for medium and large traditional saunas. Built from durable Finnish steel with a spacious firebox and high-efficiency burn chamber, the Quattro TW produces intense, even heat and luxuriously soft steam. Its large rock capacity and integrated water tank create a complete, authentic sauna experience that reflects true Finnish craftsmanship.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-output wood-burning sauna stove\u003c\/strong\u003e ideal for medium to large sauna rooms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge glass fire-view door\u003c\/strong\u003e provides ambiance and visible flame control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated water tank\u003c\/strong\u003e heats water during operation for washing or steam enhancement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty steel construction\u003c\/strong\u003e ensures durability and consistent high-temperature performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient heat-to-rock transfer\u003c\/strong\u003e for powerful löyly and fast heat-up times\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrafted in Finland\u003c\/strong\u003e by Cozy, a trusted manufacturer of premium sauna heating equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRequired Components\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSauna Stones:\u003c\/strong\u003e Minimum \u003cstrong\u003e176 lbs\u003c\/strong\u003e. Natural, angular peridotite or olivine stones recommended for optimal airflow and steam quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChimney System:\u003c\/strong\u003e A compatible chimney and flue kit rated for wood-burning sauna stoves is required for safe installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCozy Quattro TW wood-burning sauna stove\u003c\/li\u003e\n\u003cli\u003eIntegrated 22-liter water tank\u003c\/li\u003e\n\u003cli\u003eGlass fire-view door, ash drawer, and grate system\u003c\/li\u003e\n\u003cli\u003eInstallation and Operation Manual\u003c\/li\u003e\n\u003cli\u003eManufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications: Cozy Quattro TW 12 kW\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; height: 190px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003eCozy Quattro TW 12 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eHeater Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003eWood-burning sauna stove with water tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e12 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eSauna Room Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e353 to 706 cu ft (10 to 20 m³)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eStone Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e176 lbs (80 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eWater Tank Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e22 liters (5.8 gallons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eDimensions (W x D x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e20.5 in x 20.5 in x 29.3 in (520 mm x 520 mm x 745 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e132 lbs (60 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eFlue Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e115 mm (4.5 in) top exit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid rgb(221, 221, 221); height: 19px;\"\u003eMade in Finland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSpecifications: Cozy Quattro TW 18 kW\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eCozy Quattro TW 18 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eHeater Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWood-burning sauna stove with water tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e18 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSauna Room Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e494 to 988 cu ft (14 to 28 m³)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eStone Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e176 lbs (80 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWater Tank Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e22 liters (5.8 gallons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions (W x D x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e20.5 in x 20.5 in x 29.3 in (520 mm x 520 mm x 745 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e141 lbs (64 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFlue Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e115 mm (4.5 in) top exit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMade in Finland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy Choose the Cozy Quattro TW?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic wood-burning heat\u003c\/strong\u003e provides a traditional Finnish sauna experience\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge rock and water tank capacity\u003c\/strong\u003e for powerful steam and convenient hot water usage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Finnish construction\u003c\/strong\u003e built for longevity and consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShipping and Returns\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips:\u003c\/strong\u003e Typically within 3 to 7 business days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelivery:\u003c\/strong\u003e Free standard U.S. shipping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e 14-day return policy for unused items\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background-color: #e6ffea; padding: 15px; border-radius: 8px; margin-top: 20px;\"\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e Arrange larger stones at the base and smaller stones toward the top to improve airflow, store heat efficiently and maintain smooth, consistent steam. Inspect stones regularly and replace cracked pieces to protect the firebox and improve overall performance.\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cp\u003e\u003ca title=\"Cozy Heat Installation and Operation Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/6455\/2421\/files\/Cozy_Heat_IOM.pdf?v=1764782666\"\u003eInstallation and Operation Manual\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/6455\/2421\/files\/Cozy_Heat_Warranty.pdf?v=1764782800\" title=\"Cozy Heat Warranty\"\u003eWarranty\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow large of a sauna will the Cozy Quattro TW heat?\u003c\/summary\u003e\n\u003cp\u003eThe 12 kW model heats sauna rooms that measure 353 to 706 cubic feet. The 18 kW model supports larger sauna rooms between 494 and 988 cubic feet. Proper insulation improves heat-up time and performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDoes the Cozy Quattro TW require a chimney?\u003c\/summary\u003e\n\u003cp\u003eYes. A certified wood-burning sauna chimney system is required. Install a compatible flue pipe, heat shield, and chimney kit rated for sauna stoves and approved by local building codes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow much water does the integrated tank hold?\u003c\/summary\u003e\n\u003cp\u003eThe built-in water tank holds 22 liters (5.8 gallons). It naturally heats during operation and can be used for washing, warming ladles, or adding enhanced steam.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWhat type of stones should I use?\u003c\/summary\u003e\n\u003cp\u003eUse 176 pounds of natural peridotite or olivine sauna stones. These stones provide strong heat retention and airflow. Do not use river rocks or artificial stones.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWhat kind of maintenance is required?\u003c\/summary\u003e\n\u003cp\u003eEmpty the ash drawer regularly, check the firebox and grates, and inspect chimney draw. Replace cracked stones to maintain efficient heating and protect the stove.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eCan this stove be used in an indoor or cabin sauna?\u003c\/summary\u003e\n\u003cp\u003eYes. The Cozy Quattro TW is designed for indoor installation in traditional wood-lined saunas, cabins, cottages, and off-grid locations. Always follow local building, clearance, and fire safety requirements.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow long does it take to heat the sauna?\u003c\/summary\u003e\n\u003cp\u003eMost saunas heat in 45 to 75 minutes depending on room size, insulation, stone placement, and wood type. The 18 kW model may heat faster due to higher output.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eIs the glass viewing window heat-resistant?\u003c\/summary\u003e\n\u003cp\u003eYes. The door uses tempered, heat-resistant glass that allows fire viewing while maintaining safe operation and a relaxing sauna atmosphere.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 12px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eIs professional installation required?\u003c\/summary\u003e\n\u003cp\u003eProfessional installation is strongly recommended. A qualified installer ensures correct chimney setup, safe clearances, and compliance with regional codes for wood-burning appliances.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Your Spa Pool","offers":[{"title":"12kW","offer_id":53834078323021,"sku":null,"price":2452.5,"currency_code":"USD","in_stock":true},{"title":"18kW","offer_id":53834078355789,"sku":null,"price":2884.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/1990\/9197\/files\/cozy-heat-quattro-thru-wall-sauna-stove-8363244.jpg?v=1777941608","url":"https:\/\/yourspapool.com\/products\/cozy-heat-quattro-thru-wall-sauna-stove","provider":"Your Spa Pool","version":"1.0","type":"link"}