{"product_id":"martin-propane-direct-vent-heater-mdv20p-20000-btu","title":"Martin 20,000 BTU Direct Vent Propane Heater MDV20P","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        \/*\n            Author: Cabinet Depot Product Team\n            Date: 2025-12-18\n            Brand: Martin (Dark Grey #333333 \/ Gold #FFC107)\n            Region: USA\n        *\/\n        @import url('https:\/\/fonts.googleapis.com\/css2?family=Lato:wght@300;400;700;900\u0026display=swap');\n\n        body {\n            font-family: 'Lato', sans-serif;\n            line-height: 1.6;\n            color: #333;\n            margin: 0;\n            padding: 0;\n            background-color: #fff;\n        }\n\n        main {\n            max-width: 1000px;\n            margin: 0 auto;\n            padding: 20px;\n        }\n\n        \/* --- STANDARD STYLING --- *\/\n        h2 {\n            margin-top: 0;\n        }\n        \n        td strong {\n            color: #333333;\n            font-weight: 700;\n        }\n\n        main ul {\n            list-style: disc;\n            padding-left: 30px;\n            margin: 15px 0;\n        }\n\n        main li {\n            padding-left: 5px;\n            margin-bottom: 8px;\n        }\n        \n        h4 {\n            margin-top: 25px;\n        }\n\n        \/* Standard Link Styling *\/\n        a {\n            color: #b38600;\n            text-decoration: underline;\n            transition: color 0.3s ease;\n        }\n        \n        a:hover {\n            color: #333;\n            text-decoration: none;\n        }\n\n        \/* Responsive Table Container *\/\n        .table-container {\n            overflow-x: auto;\n            -webkit-overflow-scrolling: touch;\n            margin: 0 auto;\n            margin-top: 20px;\n            box-shadow: 0 2px 5px rgba(0,0,0,0.05);\n            border-radius: 8px;\n        }\n        \n        table {\n            width: 100%;\n            border-collapse: collapse;\n            font-family: 'Lato', sans-serif;\n            min-width: 500px;\n        }\n\n        \/* --- MARTIN BRANDING (TABLES) --- *\/\n        thead tr {\n            background-color: #333333;\n            color: #FFC107;\n            text-align: left;\n        }\n\n        th, td {\n            padding: 12px 15px;\n            text-align: left;\n        }\n\n        tbody tr {\n            border-bottom: 1px solid #d1ccc0;\n        }\n\n        tbody tr:nth-of-type(even) {\n            background-color: #fffdf2;\n        }\n\n        tbody tr:last-of-type {\n            border-bottom: 2px solid #FFC107;\n        }\n\n        @media (min-width: 768px) {\n            .table-container {\n                display: flex;\n                justify-content: center;\n            }\n            table {\n                width: auto;\n                min-width: 600px;\n                max-width: 800px;\n            }\n            th, td {\n                padding: 15px 25px;\n            }\n        }\n\n        \/* --- PROMO BANNER (USA) --- *\/\n        .promo-banner {\n            background-color: #fffde7;\n            border: 1px solid #FFC107;\n            color: #d32f2f;\n            text-align: center;\n            padding: 15px;\n            border-radius: 8px;\n            margin: 20px 0;\n            font-weight: 700;\n            text-transform: uppercase;\n            letter-spacing: 0.5px;\n            box-shadow: 0 2px 4px rgba(0,0,0,0.05);\n        }\n        .promo-sub {\n            display: block;\n            font-size: 0.8rem;\n            color: #555;\n            font-weight: 400;\n            margin-top: 5px;\n            text-transform: none;\n        }\n        .promo-sub a {\n            color: #555;\n            text-decoration: underline;\n        }\n        .promo-sub a:hover {\n            color: #d32f2f;\n        }\n\n        \/* --- NOTICE BOX --- *\/\n        .info-container {\n            font-family: 'Lato', sans-serif;\n            line-height: 1.6;\n            color: #333;\n            border: 2px solid #FFC107;\n            background-color: #fffde7;\n            padding: 20px;\n            border-radius: 8px;\n            margin: 25px auto;\n            max-width: 800px;\n            box-sizing: border-box;\n        }\n\n        .info-container h4 {\n            color: #b38600;\n            margin-top: 0;\n            text-align: center;\n            font-size: 1.2em;\n            font-weight: 700;\n        }\n\n        .info-container p {\n            text-align: left;\n            margin-top: 15px;\n            margin-bottom: 10px;\n        }\n        \n        .info-container ul {\n            list-style: disc;\n            margin: 15px 0 0 0;\n            padding-left: 30px;\n        }\n\n        .info-container li {\n            padding-left: 5px;\n            margin-bottom: 8px;\n        }\n\n        \/* Feature List *\/\n        .feature-grid {\n            display: grid;\n            grid-template-columns: 1fr;\n            gap: 15px;\n            margin-bottom: 30px;\n        }\n        .feature-item {\n            background: #f9f9f9;\n            padding: 15px;\n            border-radius: 6px;\n            border-left: 4px solid #FFC107;\n        }\n\n        @media (min-width: 768px) {\n            .feature-grid {\n                grid-template-columns: 1fr 1fr;\n            }\n        }\n    \u003c\/style\u003e\n\u003cmain\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eMartin 20,000 BTU Direct Vent Propane Heater MDV20P\u003c\/strong\u003e\u003c\/h2\u003e\n\u003c!-- SHIPPING NOTIFICATION BOX (USA) --\u003e\n\u003cdiv class=\"promo-banner\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e*Free Shipping Across The USA* \u003cspan class=\"promo-sub\"\u003e\u003ca href=\"https:\/\/thecabindepot.com\/pages\/free-shipping-policy\" rel=\"noopener\" target=\"_blank\"\u003e*Remote locations excluded - See Policy\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eKeep cozy this winter with the \u003cstrong\u003eMartin MDV20P\u003c\/strong\u003e, a powerful 20,000 BTU direct vent propane heater designed for larger off-grid applications. Because it requires absolutely no electricity to operate, this unit is the perfect heating solution for cabins, cottages, and workshops where power is scarce or unreliable. The direct vent technology ensures that all combustion gases are exhausted outside, keeping your indoor air safe and clean without the need for complex chimney systems.\u003c\/p\u003e\n\u003c!-- BUNDLE CALL TO ACTION --\u003e\n\u003cp style=\"text-align: center; font-weight: bold; margin: 20px 0;\"\u003eLooking for a complete kit? \u003ca style=\"color: #d32f2f;\" href=\"#\"\u003eCheck out our Bundle Options Here.\u003c\/a\u003e\u003c\/p\u003e\n\u003c!-- SALES SUPPORT POP-OUT BOX --\u003e\n\u003cdiv style=\"text-align: center; margin: 30px auto; padding: 20px; background-color: #fff; border-radius: 8px; border: 2px solid #FFC107; box-shadow: 0 6px 12px rgba(0,0,0,0.1); max-width: 700px;\"\u003e\n\u003ch4 style=\"margin-top: 0; margin-bottom: 10px; color: #b38600;\"\u003e\u003cstrong\u003eQuestions about this heater?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp style=\"font-size: 1em; margin: 5px 0;\"\u003eCall Sales Support: \u003ca href=\"tel:+18446034743\" style=\"color: #333; font-weight: bold; text-decoration: none;\"\u003e+1 (844) 603-4743\u003c\/a\u003e \u003cspan style=\"color: #ccc; margin: 0 10px;\"\u003e|\u003c\/span\u003e Email: \u003ca href=\"mailto:sales@thecabindepot.com\" style=\"color: #b38600; font-weight: bold;\"\u003esales@thecabindepot.com\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em; margin: 5px 0;\"\u003eOr submit a request via our \u003ca href=\"https:\/\/share.hsforms.com\/1gcABoX2FRCa8LnBu0QtmFgrbc1e\" style=\"color: #b38600; text-decoration: underline;\" target=\"_blank\"\u003eSupport Form\u003c\/a\u003e (select \"Sales\" category)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"feature-grid\"\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003e20,000 BTU Capacity:\u003c\/strong\u003e Delivers powerful heat for larger spaces up to 538 sq. ft.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eNon-Electric Operation:\u003c\/strong\u003e Operates entirely without power, ensuring you stay warm even during blackouts or in off-grid locations.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eDirect Vent Safety:\u003c\/strong\u003e Draws fresh air from outside and vents fumes directly outdoors, eliminating Carbon Monoxide concerns.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eBuilt-In Thermostat:\u003c\/strong\u003e Automatically regulates heat output (Hi-Lo Dial) to maintain your desired room temperature, maximizing fuel efficiency.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Built with a solid die-cast aluminum grill for better heat flow and long-lasting durability.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003ePiezo Ignition:\u003c\/strong\u003e Reliable push-button ignition system eliminates the need for matches or batteries.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes the wall template and vent installation kit for a standard setup.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- NOTICE BOX --\u003e\n\u003cdiv class=\"info-container\"\u003e\n\u003ch4\u003e\u003cstrong\u003eImportant Performance \u0026amp; Support Information\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003ePlease review the following details to ensure this heater is right for your space:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 20,000 BTU (approx. up to 538 sq. ft.)* \u003cbr\u003e\u003cem\u003e*Actual performance varies based on ceiling height, insulation, and outside temperature.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Connection:\u003c\/strong\u003e Designed for \u003cstrong\u003eLiquid Propane (LPG)\u003c\/strong\u003e only. Connecting to an unregulated tank is dangerous; professional installation is recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearances:\u003c\/strong\u003e 7\" from floor, 6\" from sides, 24\" from top.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Space:\u003c\/strong\u003e This unit is wider than smaller models (26\" Width). Please measure your installation area carefully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Altitude:\u003c\/strong\u003e Rated for elevations up to 2,000 ft. Above 2,000 ft, input ratings should be reduced by 4% for each 1,000 ft.\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cstrong\u003eThe Cabin Depot® recommends qualified installers and accepts no liability for customer installations.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"border-top: 1px solid #FFC107; margin: 20px 0;\"\u003e\n\u003cp style=\"font-size: 0.9em; margin-top: 15px;\"\u003e\u003cstrong\u003eHaving trouble with your heater? We can help with troubleshooting!\u003c\/strong\u003e\u003c\/p\u003e\n\u003c!-- Technical Support --\u003e\n\u003cp style=\"font-size: 0.9em; margin-bottom: 5px;\"\u003e\u003cstrong\u003eTechnical Support (The Cabin Depot):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 5px;\"\u003e\u003ca href=\"https:\/\/share.hsforms.com\/1gcABoX2FRCa8LnBu0QtmFgrbc1e\" style=\"font-weight: bold; color: #d32f2f;\" target=\"_blank\"\u003eRequest Technical Support\u003c\/a\u003e\u003c\/p\u003e\n\u003c!-- Warranty Claims --\u003e\n\u003cp style=\"font-size: 0.9em; margin-top: 15px; margin-bottom: 5px;\"\u003e\u003cstrong\u003eWarranty Claims (Manufacturer):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 5px;\"\u003e\u003ca href=\"https:\/\/offgriddistribution.com\/pages\/bismar-martin-heaters-technical-support\" style=\"font-weight: bold;\" target=\"_blank\"\u003eSubmit Warranty Claim to Martin\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch1 style=\"text-align: center;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMartin 20,000 BTU Direct Vent Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMartin (Bismar Inc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMDV20P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLiquid Propane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax BTU Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20,000 BTU\/hr (Variable down to 6,000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16,000 BTU\/hr (80% Efficiency)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeating Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 538 sq. ft. (50 m²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~1.08 hrs\/lb (at max continuous operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Thickness Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-1\/2\" to 12-5\/8\" (11.5cm - 32cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x D x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26\" x 8-1\/4\" x 22-5\/8\" (66 cm x 21 cm x 57.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47.4 lbs (21.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIgnition Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiezo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermostat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Hi-Lo Dial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Parts \/ Lifetime Combustion Chamber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCSA Certified (Canada \u0026amp; USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"text-align: center; margin-top: 20px;\"\u003eReliable, safe, and silent heat—anywhere you need it.\u003c\/h3\u003e\n\u003c\/main\u003e","brand":"Martin","offers":[{"title":"Default Title","offer_id":48887816716539,"sku":"766021","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0814\/2720\/2299\/files\/715eWyizKmL._SL1444.jpg?v=1779652674","url":"https:\/\/fpp3ct-5i.myshopify.com\/products\/martin-propane-direct-vent-heater-mdv20p-20000-btu","provider":"Mary","version":"1.0","type":"link"}