{"product_id":"martin-propane-direct-vent-heater-mdv20vp-20000-btu","title":"Martin 20,000 BTU Direct Vent Propane Heater MDV20VP","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 MDV20VP\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\u003eMaximize your heating potential with the \u003cstrong\u003eMartin MDV20VP\u003c\/strong\u003e, the most powerful unit in the Martin direct vent line. Capable of warming larger spaces up to 538 sq. ft., this 20,000 BTU heater combines robust performance with the aesthetic appeal of a ceramic glass viewing window. Like its smaller counterparts, it requires absolutely no electricity, offering a dependable and silent heating solution for off-grid homesteads, larger cabins, and remote workspaces.\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\u003eHigh-Capacity Heating:\u003c\/strong\u003e With 20,000 BTUs, this unit is designed for larger main rooms or open-concept cabins.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eCeramic Glass Window:\u003c\/strong\u003e Enjoy the ambiance of a visible flame, adding a cozy focal point to your room (\"VP\" Visio Model).\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003e100% Off-Grid Ready:\u003c\/strong\u003e Operates without any electrical connection, ensuring heat is available during power outages.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eSafe Direct Venting:\u003c\/strong\u003e A sealed system that draws combustion air from outside and vents exhaust externally, preserving indoor air quality.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eThermostatic Control:\u003c\/strong\u003e Built-in thermostat modulates the flame to maintain consistent comfort and reduce fuel waste.\u003c\/div\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cstrong\u003eDurable Design:\u003c\/strong\u003e Features a heavy-duty die-cast aluminum grill for superior heat distribution and longevity.\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. Ensure all connections are performed by a qualified gas technician.\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 Direct Vent Heater (Visio)\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\u003eMDV20VP\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\u003eWindow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlass-Ceramic Visor\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\u003eContents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater Unit, Vent Installation Kit, Wall Template, Manual\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;\"\u003ePowerful, silent heat for your largest off-grid spaces.\u003c\/h3\u003e\n\u003c\/main\u003e","brand":"Martin","offers":[{"title":"Default Title","offer_id":46154776379588,"sku":"766020","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/3170\/0932\/files\/imageService-2.jpg?v=1779017182","url":"https:\/\/25d.store\/products\/martin-propane-direct-vent-heater-mdv20vp-20000-btu","provider":"25D STORE","version":"1.0","type":"link"}