{"product_id":"espar-airtronic-b4-portable-mini-4kw-gasoline-heater","title":"ESPAR Airtronic B4- Portable Mini 4kW Gasoline Heater","description":"\u003cp\u003e\u003cstrong\u003eSparks Overland ESPAR Airtronic B4- Portable Mini 4kW Gasoline Heater\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eBig heat. OEM refinement. Ultra-quiet performance.\u003cbr\u003e\u003cbr\u003eWhen serious heat output is required without sacrificing refinement, Espar delivers. The Sparks Overland Espar Airtronic B4 Portable Gasoline Heater provides powerful, whisper-quiet heat for overlanding, camping, van life, RVs, and demanding off-grid travel — using clean-burning gasoline.\u003cbr\u003e\u003cbr\u003eThis larger-capacity 4kW system pairs Espar’s Airtronic B4 gasoline heater — trusted by OEM vehicle manufacturers, military fleets, and professional expedition builders worldwide — with Sparks Overland’s hand-built stainless enclosure and premium components.\u003cbr\u003e\u003cbr\u003eBuilt for larger spaces, colder conditions, and users who want OEM-grade power, silence, and longevity in a gasoline platform — without compromise.\u003cbr\u003e\u003cbr\u003e• Up to 4.0 kW heat output\u003cbr\u003e• Genuine Espar Airtronic B4 (Gasoline)\u003cbr\u003e• 2-Year Espar Warranty Included\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eProduction \u0026amp; Lead Time\u003c\/strong\u003e\u003cbr\u003eEach heater is hand-built with hours of skilled labor, quality control \u0026amp; rigorous testing. \u003c\/p\u003e\u003cp\u003ePlease allow 4–6 weeks for production, plus shipping.\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eWhy Sparks Overland?\u003c\/strong\u003e\u003cbr\u003eBuilt the Right Way — Inside \u0026amp; Out\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eReal Metal Fuel Tank\u003c\/strong\u003e\u003cbr\u003eNo plastic. Ever. Our sealed, pressure-vented stainless steel fuel tank is safer, stronger, and built for long-term field use in harsh environments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGasoline-Optimized Fuel System\u003c\/strong\u003e\u003cbr\u003eDesigned specifically for gasoline operation, using premium fuel lines and filtration to ensure clean combustion, reliable starts, and long service life — even in cold conditions.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eA Proven ESPAR Core\u003c\/strong\u003e\u003cbr\u003ePowered by the Espar Airtronic B4, the professional-grade gasoline heater trusted in OEM, military, and expedition applications where higher output and absolute reliability are required.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eUltra-Quiet Magnetic Fuel Pump\u003c\/strong\u003e\u003cbr\u003eEspar’s magnetic fuel pump dramatically reduces ticking noise compared to conventional solenoid pumps — making this one of the quietest high-output gasoline heaters available.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFull System Diagnostics\u003c\/strong\u003e\u003cbr\u003eAdvanced diagnostics and fault reporting provide real-time system insight, simplified servicing, and long-term reliability. This is a professional heating system, not a consumer gadget.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePremium Components Only\u003c\/strong\u003e\u003cbr\u003eStainless exhaust with muffler, sealed electrical connectors, high-quality fuel lines, and carefully selected hardware throughout. Built for durability — not cost cutting.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFresh Air Combustion Design\u003c\/strong\u003e\u003cbr\u003eAll combustion air is drawn from outside the unit. No fumes, no odors, and no shared cabin air.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHand-Built in Colorado\u003c\/strong\u003e\u003cbr\u003eEvery Sparks Overland heater is built one at a time by skilled hands. No mass production. No shortcuts.\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e    •    1.9-gallon stainless steel fuel tank (flat design, pressure relief)\u003cbr\u003e    •    Espar Airtronic B4 gasoline air heater\u003c\/p\u003e\u003cul\u003e\t\u003cli\u003eEasy Start Pro Controller\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e    •    Mountable legs\u003cbr\u003e    •    Quick-connect duct + 27\" fully expanded ducting\u003cbr\u003e    •    12V cigarette-lighter power plug\u003cbr\u003e    •    Espar controller\u003cbr\u003e    •    Silicone fuel funnel\u003cbr\u003e    •    Accessory bag (cables \u0026amp; hardware)\u003cbr\u003e    •    Silicone air-intake travel cap\u003cbr\u003e    •    Instruction manual\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003ePower \u0026amp; Performance\u003c\/strong\u003e\u003cbr\u003e    •    Up to 4.0 kW heat output\u003cbr\u003e    •    Heated air volume up to 155 m³\/h\u003cbr\u003e    •    Wide modulation range from low to high output\u003cbr\u003e    •    Strong, consistent heat for larger cabins and extreme cold\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003cbr\u003e    •    Highly efficient heat exchanger\u003cbr\u003e    •    Optimized gasoline combustion\u003cbr\u003e    •    Long run times with minimal fuel consumption for its output class\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eQuiet Comfort\u003c\/strong\u003e\u003cbr\u003e    •    Whisper-quiet magnetic fuel pump\u003cbr\u003e    •    Smooth, balanced blower operation\u003cbr\u003e    •    Exceptionally low vibration for a 4kW system\u003cbr\u003e    •    Designed for uninterrupted sleep, even at higher output levels\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eUser-Friendly Control\u003c\/strong\u003e\u003cbr\u003e    •    Intuitive Espar controller interface\u003cbr\u003e    •    Real-time diagnostics and system feedback\u003cbr\u003e    •    Precise temperature regulation\u003cbr\u003e    •    Professional-grade service access\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003ePortability \u0026amp; Installation\u003c\/strong\u003e\u003cbr\u003e    •    Portable, self-contained design\u003cbr\u003e    •    Mounting brackets for fixed or mobile use\u003cbr\u003e    •    Ideal for large rooftop tents, vans, campers, trailers, and shelters\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003cbr\u003e    •    Overheat protection\u003cbr\u003e    •    Flame monitoring \u0026amp; automatic shutdown\u003cbr\u003e    •    Low-voltage protection\u003cbr\u003e    •    OEM-grade safety systems throughout\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eReliability\u003c\/strong\u003e\u003cbr\u003e    •    OEM Espar glow plug and internal components\u003cbr\u003e    •    Designed for continuous, multi-season operation\u003cbr\u003e    •    Long service life with full Espar support\u003cbr\u003e    •    Trusted worldwide in professional and expedition use\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e    •    Heater Output: 4.0 kW (max) \/ ~0.9 kW (min)\u003cbr\u003e    •    Fuel Type: Gasoline (petrol)\u003cbr\u003e    •    Fuel Consumption: ~0.12–0.49 L\/hr\u003cbr\u003e    •    Operating Voltage: 12V\u003cbr\u003e    •    Operating Temperature: Down to -40 °C \/ -40 °F\u003cbr\u003e    •    Dimensions: 20\" x 12\" x 12.5\"\u003cbr\u003e    •    Weight: 36 lbs\u003cbr\u003e    •    Fuel Tank: 1.9-gallon stainless steel\u003cbr\u003e\u003cbr\u003e⸻\u003cbr\u003e\u003cstrong\u003eWhy Choose ESPAR?\u003c\/strong\u003e\u003cbr\u003eEspar heaters are the OEM and professional standard — selected by vehicle manufacturers, military fleets, and expedition builders who demand absolute reliability, ultra-quiet operation, and long-term serviceability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eChoose Espar if you want:\u003c\/strong\u003e\u003cbr\u003e    •    High-output gasoline heat without noise\u003cbr\u003e    •    OEM-grade diagnostics and reliability\u003cbr\u003e    •    Long service life with global support\u003cbr\u003e    •    A heater engineered for professionals, not hobbyists\u003cbr\u003e\u003cbr\u003eWhen paired with Sparks Overland’s stainless fuel system, hand-built enclosure, and premium components, the Espar Airtronic B4 becomes a top-tier portable gasoline heating solution for serious cold-weather travelers who need more heat — done the right way.\u003c\/p\u003e","brand":"Sparks Overland","offers":[{"title":"Default Title","offer_id":55627991449673,"sku":null,"price":20.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/4137\/3513\/files\/e1e535_7278ca7311684fde93b2f745dc499a38_mv2.jpg?v=1776101128","url":"https:\/\/www.sparksoverland.com\/products\/espar-airtronic-b4-portable-mini-4kw-gasoline-heater","provider":"Sparks Overland","version":"1.0","type":"link"}