{"product_id":"autoterm-air-4d-12v-diesel-heater-4-kw-for-rvs-boats-trucks-large-cabins-single-outlet","title":"Autoterm Air 4D 12V Diesel Heater 4 kW for RVs Boats Trucks Large Cabins Single Outlet","description":"\u003cdiv\u003e\n\u003ch1\u003eAutoterm Air 4D 12V Diesel Heater — 4 kW of Warmth for Large Cabins and Vessels\u003c\/h1\u003e\n\u003cp\u003eDesigned to deliver steadfast comfort in the harshest conditions, the Autoterm Air 4D 12V Diesel Heater is a rugged, high-capacity solution for heating large cabins, cargo spaces, and vessels. Whether you’re outfitting an RV, a long-haul truck, a motorhome, a camper, or a boat up to 15 m (48 ft), this 4 kW powerhouse provides fast, consistent warmth when you need it most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this heater stands out\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongpowerful yet efficient\u003e: 4.0 kW of heating power with up to 168 m³\/h of heated air for quick, even distribution in spacious interiors.\u003c\/strongpowerful\u003e\u003c\/li\u003e \u003cli\u003e\u003cstronglow fuel consumption\u003e: Economical operation at max power with just 0.51 L\/h, helping you maximize trips between refuels.\u003c\/stronglow\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongextreme cold tolerance\u003e: Built to perform reliably down to -45°C \/ -49°F, making it a dependable companion for winter adventures.\u003c\/strongextreme\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong12-volt diesel system\u003e: Seamless integration with standard vehicle electricals for straightforward upgrades where built-in heating is lacking.\u003c\/strong12-volt\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongquiet durable operation\u003e: Brushless induction motors minimize noise and wear, supporting longer service life in demanding environments.\u003c\/strongquiet\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eAll-in-one installation package\u003c\/strong\u003e includes everything you need to get heat where it matters most. The Autoterm Air 4D 12V comes with an OLED control panel for intuitive, precise temperature control, plus a complete installation kit containing a 1 m fuel intake line, 1 m ducting, a floor plate, and two vents. A single heat outlet with flexible ducting lets you prioritize warmth in living spaces, sleeping quarters, or work zones while keeping fuel use economical.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompact, versatile design\u003c\/strong\u003e: Measuring 402 × 157 × 188 mm and weighing 5.5 kg, the Autoterm Air 4D fits neatly in tight spaces and can be mounted in a wide range of configurations. Its compact footprint makes retrofits easier for vehicles and boats that previously relied on smaller or less capable heating solutions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHow it works\u003c\/strong\u003e: The unit draws fresh air from outside or a well-ventilated interior, heats it efficiently, and circulates warm air through a dedicated outlet. The 12-volt architecture aligns with typical vehicle electrical systems, providing a practical upgrade for spaces that demand reliable warmth in extreme conditions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eLarge RVs, motorhomes, and campers needing rapid, even heat across living and sleeping areas\u003c\/li\u003e \u003cli\u003eCommercial trucks and fleet vehicles that operate in winter weather\u003c\/li\u003e \u003cli\u003eMaritime applications on boats up to 15 m (48 ft) where dependable cabin warmth matters\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e:\n- Position the single outlet to heat the most-used spaces first, using the included ducting to direct airflow where it matters (living areas, bunks, or work zones).\n- Ensure a clean, unobstructed air intake and proper exhaust routing per the installation manual to maintain performance and safety.\n- Use the OLED control panel for precise setpoint adjustments and seasonal temperature planning to optimize fuel usage without sacrificing comfort.\u003c\/p\u003e \u003cp\u003eWith Autoterm’s proven engineering and a robust feature set designed for real-world conditions, the Air 4D 12V Diesel Heater is a dependable, high-capacity heat solution that keeps your large spaces warm, even when outdoor temperatures plummet. Built to endure, easy to install, and straightforward to operate, it’s the practical choice for serious cold-weather heating across vehicles and vessels.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Autoterm","offers":[{"title":"Default Title","offer_id":48371381469469,"sku":"RVD800","price":2101.68,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1072\/3613\/files\/autoterm-marine-rv-air-heating-autoterm-4d-12v-rv-diesel-heater-single-outlet-4kw-rvd800-autoterm-4d-12v-diesel-heater-for-rvs-and-campers-1191970657.jpg?v=1772754937","url":"https:\/\/actionoutdoors.kiwi\/products\/autoterm-air-4d-12v-diesel-heater-4-kw-for-rvs-boats-trucks-large-cabins-single-outlet","provider":"Action Outdoors Limited","version":"1.0","type":"link"}