{"product_id":"heatstar-direct-fired-heater-hs4000ng-lp-400k-btu-hr-propane-natural","title":"HeatStar Direct Fired Portable Heater | HS4000NG\/LP | 400K BTU\/hr | Propane\/Natural","description":"\u003ch2\u003eHeatStar Direct Fired Heater — 400,000 BTU\/hr | Propane \/ Natural Gas\u003c\/h2\u003e\n\u003c!-- Rental \/ Contractor Badge Row --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; font-size: 13px;\"\u003e\n\u003cspan style=\"background: #f4f6f8; padding: 6px 10px; border-radius: 20px;\"\u003e🏗 Contractor Grade\u003c\/span\u003e \u003cspan style=\"background: #f4f6f8; padding: 6px 10px; border-radius: 20px;\"\u003e🏢 Rental Fleet Ready\u003c\/span\u003e \u003cspan style=\"background: #f4f6f8; padding: 6px 10px; border-radius: 20px;\"\u003e🔥 Ultra High-Output Gas Heat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Safety Warning Callout --\u003e\n\u003cdiv style=\"border-left: 5px solid #d32f2f; background: #fff4f4; padding: 16px; margin: 18px 0; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003e\u003cstrong\u003e⚠️ IMPORTANT SAFETY NOTICE:\u003c\/strong\u003e\u003cbr\u003eThis is a \u003cstrong\u003edirect fired gas heater\u003c\/strong\u003e. Combustion byproducts are released into the heated air. \u003cstrong\u003eFor outdoor or well-ventilated indoor use only.\u003c\/strong\u003e Not approved for occupied enclosed spaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Power \/ Electrical Callout --\u003e\n\u003cp style=\"font-size: 16px;\"\u003e⚡ \u003cstrong\u003ePower Requirement:\u003c\/strong\u003e 115V \/ Single Phase (3 Amp) — Optional Remote Thermostat\u003c\/p\u003e\n\u003c!-- Short High-Impact Intro --\u003e\n\u003cp style=\"font-size: 18px; max-width: 720px;\"\u003eThe \u003cstrong\u003eHeatStar HS4000NG\/LP Direct Fired Heater\u003c\/strong\u003e delivers massive \u003cstrong\u003e400,000 BTU\/hr\u003c\/strong\u003e of clean-burning gas heat for large-scale jobsite and industrial applications. Designed for contractors and rental fleets, this dual-fuel heater operates on either \u003cstrong\u003enatural gas or propane\u003c\/strong\u003e and offers exceptional flexibility, airflow, and heating performance for demanding environments.\u003c\/p\u003e\n\u003c!-- Quick-Scan Feature Icons --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 16px 0; font-size: 14px;\"\u003e\n\u003cspan\u003e🔥 400,000 BTU\/hr Output\u003c\/span\u003e \u003cspan\u003e⛽ Propane or Natural Gas\u003c\/span\u003e \u003cspan\u003e🌀 4,120 CFM Airflow\u003c\/span\u003e \u003cspan\u003e🧯 Clean Burn – Low CO \u0026amp; NOx\u003c\/span\u003e \u003cspan\u003e🛞 10\" Pneumatic Wheels\u003c\/span\u003e \u003cspan\u003e🏗 Ductable up to 50 ft\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Performance \u0026 Use Case --\u003e\n\u003ch3\u003eHigh-Output Gas Heating for Large, Open Environments\u003c\/h3\u003e\n\u003cp\u003eThe HS4000NG\/LP uses powerful high-static fans to pull large volumes of cold air across the combustion chamber, delivering fast, reliable heat exactly where it’s needed. The unit can be fully ducted up to \u003cstrong\u003e50 feet\u003c\/strong\u003e or placed directly in the heated space with exhaust ducted outside using an optional chimney kit—reducing heat loss and improving efficiency over time.\u003c\/p\u003e\n\u003c!-- Why Contractors \u0026 Facilities Choose It --\u003e\n\u003ch3\u003eWhy Choose the HeatStar HS4000NG\/LP\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 20px;\"\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 20px; border-radius: 10px;\"\u003e\n\u003ch4 style=\"margin-top: 0;\"\u003e🔥 Extreme Heating Power\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e400,000 BTU\/hr gas-fired heat\u003c\/li\u003e\n\u003cli\u003eIdeal for large construction and industrial spaces\u003c\/li\u003e\n\u003cli\u003eHigh airflow for rapid temperature recovery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 20px; border-radius: 10px;\"\u003e\n\u003ch4 style=\"margin-top: 0;\"\u003e⛽ Dual-Fuel Flexibility\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRuns on natural gas or propane\u003c\/li\u003e\n\u003cli\u003eSimple fuel selector valve with safety lock\u003c\/li\u003e\n\u003cli\u003eSupports two 100 lb propane tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 20px; border-radius: 10px;\"\u003e\n\u003ch4 style=\"margin-top: 0;\"\u003e🛠 Jobsite-Ready Design\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty 10\" pneumatic wheels\u003c\/li\u003e\n\u003cli\u003eOnboard diagnostics system\u003c\/li\u003e\n\u003cli\u003eRemote thermostat connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Ideal Applications --\u003e\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 20px;\"\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 20px; border-radius: 10px;\"\u003e\n\u003ch4\u003e🚧 Construction \u0026amp; Jobsite Heating\u003c\/h4\u003e\n\u003cp\u003eHigh-volume gas heat for large construction projects and cold-weather operations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 20px; border-radius: 10px;\"\u003e\n\u003ch4\u003e🏭 Warehouses \u0026amp; Industrial Facilities\u003c\/h4\u003e\n\u003cp\u003eTemporary heating for ventilated warehouses, loading docks, and production areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 20px; border-radius: 10px;\"\u003e\n\u003ch4\u003e🏢 Rental \u0026amp; Temporary Heat\u003c\/h4\u003e\n\u003cp\u003ePopular rental fleet heater for large open spaces requiring fast, powerful heat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Specifications --\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 16px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400,000 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural Gas or Propane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4,120 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eGas Supply Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNG: 3\/4\" Line | LP: Two 100 lb Tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGas Inlet Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLP: 8–13\" WC | NG: 7–10\" WC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115V \/ 3 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDucting Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\" Duct — Up to 50 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eClearance to Combustibles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutlet: 10 ft | Sides: 3 ft | Ceiling: 2 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L×W×H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24.25\" × 57\" × 32.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eUnit Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e233 lbs\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 Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"HeatStar","offers":[{"title":"Default Title","offer_id":49872433217691,"sku":"GWG311220","price":5899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/9022\/9147\/files\/Heater_d63b457f-f9bb-4362-ac61-42d2567d14ed.jpg?v=1792532162","url":"https:\/\/katoolgear.shop\/products\/heatstar-direct-fired-heater-hs4000ng-lp-400k-btu-hr-propane-natural","provider":"Katool and Gear","version":"1.0","type":"link"}