{"product_id":"cozy-heat-quattro-thru-wall-wood-burning-sauna-stove","title":"Cozy Heat Quattro Thru-Wall Sauna Stove (12kW \/ 18kW)","description":"\u003ch2 style=\"text-align: center;\" data-start=\"664\" data-end=\"700\"\u003eDescription\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" data-end=\"1212\" data-start=\"885\"\u003eThe \u003cstrong data-end=\"932\" data-start=\"889\"\u003eCozy Heat Quattro Thru-Wall Sauna Stove\u003c\/strong\u003e combines the authentic experience of traditional wood-fired sauna heating with the convenience of a through-wall firebox design. Hand-crafted in Estonia, where sauna bathing is a daily ritual, this heater produces the soft, long-lasting warmth that traditional sauna users value.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"1467\" data-start=\"1214\"\u003eThe Quattro TW allows the firebox to extend through the sauna wall, making it possible to \u003cstrong data-end=\"1349\" data-start=\"1304\"\u003eload firewood from outside the sauna room\u003c\/strong\u003e. This keeps the sauna interior clean and comfortable while maintaining the rustic charm of a real wood-burning sauna.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"1803\" data-start=\"1469\"\u003eDesigned for ladling water over heated stones, the heater creates rich steam that fills the sauna with relaxing heat and humidity. Its square structure and minimalist design complement both rustic and modern sauna environments, while the large viewing window allows you to enjoy the calming glow of the fire during your sauna session.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"1834\" data-start=\"1805\"\u003eAvailable heating capacities:\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"1898\" data-start=\"1836\"\u003e\u003cstrong data-end=\"1850\" data-start=\"1836\"\u003e12kW Model\u003c\/strong\u003e\u003cbr data-end=\"1853\" data-start=\"1850\"\u003eFor sauna rooms from \u003cstrong data-end=\"1898\" data-start=\"1874\"\u003e210 – 423 cubic feet\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"1962\" data-start=\"1900\"\u003e\u003cstrong data-end=\"1914\" data-start=\"1900\"\u003e18kW Model\u003c\/strong\u003e\u003cbr data-end=\"1917\" data-start=\"1914\"\u003eFor sauna rooms from \u003cstrong data-end=\"1962\" data-start=\"1938\"\u003e317 – 635 cubic feet\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\" data-start=\"1544\" data-end=\"1571\"\u003eAvailable Heating Options\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" data-end=\"1754\" data-start=\"1643\"\u003eThe Cozy Heat OG sauna stove is available in two heating capacities depending on the size of your sauna room.\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\" data-end=\"1770\" data-start=\"1756\"\u003e12kW Model\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\" data-end=\"1877\" data-start=\"1772\"\u003e• Designed for sauna rooms \u003cstrong data-end=\"1823\" data-start=\"1799\"\u003e210 – 423 cubic feet\u003c\/strong\u003e\u003cbr data-end=\"1826\" data-start=\"1823\"\u003e• Requires a minimum of \u003cstrong data-end=\"1877\" data-start=\"1850\"\u003e200 lbs of sauna stones\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\" data-end=\"1893\" data-start=\"1879\"\u003e18kW Model\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\" data-end=\"2000\" data-start=\"1895\"\u003e• Designed for sauna rooms \u003cstrong data-end=\"1946\" data-start=\"1922\"\u003e317 – 635 cubic feet\u003c\/strong\u003e\u003cbr data-end=\"1949\" data-start=\"1946\"\u003e• Requires a minimum of \u003cstrong data-end=\"2000\" data-start=\"1973\"\u003e350 lbs of sauna stones\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"2106\" data-start=\"2002\"\u003eSelecting the correct heating capacity ensures efficient heat distribution and optimal steam production.\u003c\/p\u003e\n\u003ch3 style=\"text-align: center;\" data-end=\"1736\" data-start=\"1715\"\u003eHeating Performance\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\" data-end=\"2209\" data-start=\"1992\"\u003eWood-burning sauna heaters deliver a softer and more natural heat compared to electric sauna heaters. The Cozy Heat Quattro TW is engineered to provide consistent radiant warmth while maintaining efficient combustion.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"2442\" data-start=\"2211\"\u003eAt the core of the heater is a \u003cstrong data-end=\"2284\" data-start=\"2242\"\u003e5mm thick stainless steel flame cutter\u003c\/strong\u003e, the most critical component of any wood-burning sauna stove. This durable design ensures reliability even under the intense temperatures of sauna operation.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"2567\" data-start=\"2444\"\u003eCozy sauna heaters are also designed for high efficiency, producing cleaner combustion while reducing firewood consumption.\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\" data-start=\"2212\" data-end=\"2312\"\u003eKey Features\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" data-start=\"2676\" data-end=\"3130\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eSquare modern sauna stove design\u003cbr data-end=\"2621\" data-start=\"2618\"\u003eWood-burning sauna heater\u003cbr data-end=\"2649\" data-start=\"2646\"\u003eHeavy-duty steel construction\u003cbr data-end=\"2681\" data-start=\"2678\"\u003eSmoke gases are \u003cstrong data-end=\"2711\" data-start=\"2697\"\u003e6× cleaner\u003c\/strong\u003e than traditional heaters\u003cbr data-end=\"2739\" data-start=\"2736\"\u003eCertified with \u003cstrong data-end=\"2783\" data-start=\"2754\"\u003eGerman BIMSCH certificate\u003c\/strong\u003e\u003cbr data-end=\"2786\" data-start=\"2783\"\u003eConsumes \u003cstrong data-end=\"2815\" data-start=\"2795\"\u003e25–40% less fuel\u003c\/strong\u003e than comparable sauna stoves\u003cbr data-end=\"2847\" data-start=\"2844\"\u003eMinimal safety clearance requirements\u003cbr data-end=\"2887\" data-start=\"2884\"\u003eProduces mild and long-lasting radiant heat\u003cbr data-end=\"2933\" data-start=\"2930\"\u003eFloor-mounted through-wall installation\u003cbr data-end=\"2975\" data-start=\"2972\"\u003eLarge viewing window for fire display\u003cbr data-end=\"3015\" data-start=\"3012\"\u003eHand-crafted in Estonia\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\" data-end=\"2839\" data-start=\"2819\"\u003eStone Requirements\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" data-end=\"2907\" data-start=\"2841\"\u003eProper sauna stones are required for safe and efficient operation.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"2961\" data-start=\"2909\"\u003e\u003cstrong data-end=\"2923\" data-start=\"2909\"\u003e12kW Model\u003c\/strong\u003e\u003cbr data-end=\"2926\" data-start=\"2923\"\u003eMinimum \u003cstrong data-end=\"2961\" data-start=\"2934\"\u003e175 lbs of sauna stones\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"3015\" data-start=\"2963\"\u003e\u003cstrong data-end=\"2977\" data-start=\"2963\"\u003e18kW Model\u003c\/strong\u003e\u003cbr data-end=\"2980\" data-start=\"2977\"\u003eMinimum \u003cstrong data-end=\"3015\" data-start=\"2988\"\u003e265 lbs of sauna stones\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-end=\"3162\" data-start=\"3017\"\u003eBecause natural stones vary in size and shape, purchasing an additional box of stones is recommended to ensure optimal fit and heat distribution.\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\" data-start=\"3438\" data-end=\"3501\"\u003eIncludes\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\" class=\"comp-tab-container MuiBox-root css-1xdhyk6\"\u003e\n\u003cdiv class=\"comp-tab-panel MuiBox-root css-1cmi1w1\" role=\"tabpanel\" id=\"vertical-tabpanel-2\" aria-labelledby=\"vertical-tab-2\"\u003e\n\u003cdiv class=\"MuiBox-root css-0\"\u003e\n\u003cdiv class=\"comp-native-html MuiBox-root css-1zxtef\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eOuter frame of the heater\u003c\/p\u003e\n\u003cp\u003eChimney pipe \u003c\/p\u003e\n\u003cp\u003eHeater body\u003c\/p\u003e\n\u003cp\u003eCleaning hatch\u003c\/p\u003e\n\u003cp\u003eHeater door with glass\u003c\/p\u003e\n\u003cp\u003eAsh box\u003c\/p\u003e\n\u003cp\u003eInstallation and operation manual\u003c\/p\u003e\n\u003cp\u003e2-Year Warranty\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\" class=\"MuiContainer-root MuiContainer-disableGutters comp-section MuiContainer-paddingTopLg MuiContainer-paddingBottomLg css-1xo86ii\"\u003e\n\u003cdiv class=\"MuiContainer-root MuiContainer-maxWidthLg comp-section__content css-1gwm6rx\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"text-align: center;\" data-start=\"3438\" data-end=\"3501\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg height=\"324\" width=\"450\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/8065\/9961\/files\/Screenshot_2026-03-04_at_1.19.16_PM.png?v=1772651982\"\u003e\u003cimg height=\"328\" width=\"455\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0795\/8065\/9961\/files\/Screenshot_2026-03-04_at_1.19.23_PM.png?v=1772651981\"\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eTechnical \u003c\/h2\u003e\n\u003ctable height=\"5\" style=\"width: 66.4354%; margin-left: auto; margin-right: auto;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8004%;\"\u003eInstallation and Operational Manual \u003c\/td\u003e\n\u003ctd style=\"width: 65.8494%; text-align: center;\"\u003e\n\u003cp\u003e \u003ca rel=\"noopener\" href=\"https:\/\/drive.google.com\/file\/d\/1ouEkK5iW4nrx5ZnKWq7zKuite8xJYfDI\/view?usp=sharing\" target=\"_blank\"\u003ecozy manual.pdf\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.8004%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"width: 65.8494%; text-align: center;\"\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/drive.google.com\/file\/d\/1qj4S08RqpFFe2QA4RuBIMhMjtml9gd49\/view?usp=sharing\" target=\"_blank\"\u003eWarranty.pdf\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"text-align: center;\" data-start=\"5138\" data-end=\"5177\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\" data-end=\"5127\" data-start=\"5089\"\u003eWhy Choose the Cozy Heat Quattro TW?\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\" data-end=\"5362\" data-start=\"5129\"\u003e• Convenient firewood loading from outside the sauna\u003cbr data-end=\"5184\" data-start=\"5181\"\u003e• Keeps the sauna interior clean\u003cbr data-end=\"5219\" data-start=\"5216\"\u003e• Traditional wood-fired sauna experience\u003cbr data-end=\"5263\" data-start=\"5260\"\u003e• Elegant square design with viewing window\u003cbr data-end=\"5309\" data-start=\"5306\"\u003e• Efficient wood consumption and cleaner combustion\u003c\/p\u003e\n\u003cp style=\"text-align: center;\" data-start=\"2032\" data-end=\"2138\"\u003e \u003c\/p\u003e","brand":"The Recovery Shop","offers":[{"title":"12kW","offer_id":47476731314425,"sku":"4745010348266","price":2725.0,"currency_code":"USD","in_stock":true},{"title":"18kW","offer_id":47476731347193,"sku":"4745010348280","price":3205.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/8065\/9961\/files\/1_f5bbd979-bfad-4ccc-a473-32ed06ccdb78.jpg?v=1772652073","url":"https:\/\/therecoveryshops.com\/products\/cozy-heat-quattro-thru-wall-wood-burning-sauna-stove","provider":"The Recovery Shop","version":"1.0","type":"link"}