{"product_id":"heatstar-indirect-fired-heater-hsp400id-g-400k-btu-hr-natural-propane","title":"HeatStar Indirect Fired Portable Heater | HSP400ID-G | 400K BTU\/hr | Natural\/Propane","description":"\u003ch2\u003eHeatStar Indirect Fired Heater — 400,000 BTU\/hr | Natural Gas \/ Propane\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🌬 Clean Indirect Heat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Safety Callout --\u003e\n\u003cdiv style=\"border-left: 5px solid #2e7d32; background: #f1f8f4; padding: 16px; margin: 18px 0; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003e\u003cstrong\u003e✅ OCCUPIED-SPACE SAFE:\u003c\/strong\u003e\u003cbr\u003eThis is an \u003cstrong\u003eindirect fired heater\u003c\/strong\u003e. Combustion exhaust is fully isolated from the heated air stream via an internal heat exchanger, making it suitable for \u003cstrong\u003eindoor and occupied spaces\u003c\/strong\u003e when properly vented.\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 120V \/ Single Phase — 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 HSP400ID-G Indirect Fired Heater\u003c\/strong\u003e delivers \u003cstrong\u003e400,000 BTU\/hr\u003c\/strong\u003e of clean, safe heat for larger occupied spaces requiring high output. Designed for professional, rental, and contractor use, this unit combines robust construction, extended runtime, and proven indirect-fired technology for reliable performance in 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🌬 Indirect Fired — Clean Heat\u003c\/span\u003e \u003cspan\u003e🌀 High-Static Airflow\u003c\/span\u003e \u003cspan\u003e🛢 100 Lb Propane or Direct NG\u003c\/span\u003e \u003cspan\u003e🚚 Portable, Outdoor Placement\u003c\/span\u003e \u003cspan\u003e🏗 Ductable Clean Air Delivery\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Performance \u0026 Use Case --\u003e\n\u003ch3\u003eHigh-Capacity Indirect Heat for Occupied \u0026amp; Ventilated Spaces\u003c\/h3\u003e\n\u003cp\u003eThe HSP400ID-G uses a stainless steel heat exchanger to isolate combustion gases from the heated air stream, allowing the heater to be placed outdoors while delivering warm, clean air indoors. Powerful fans enable flexible ducting up to 100 ft, and optional thermostats maintain consistent temperature for controlled environments. Heavy-duty construction ensures reliability with minimal maintenance—only one annual service is recommended.\u003c\/p\u003e\n\u003c!-- Why Contractors \u0026 Facilities Choose It --\u003e\n\u003ch3\u003eWhy Choose the HeatStar HSP400ID-G\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🌬 Clean Indirect Heat\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHeat exchanger isolates combustion exhaust\u003c\/li\u003e\n\u003cli\u003eApproved for occupied and enclosed spaces\u003c\/li\u003e\n\u003cli\u003eIdeal for shops, tents, and event spaces\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 direct natural gas or 100 Lb propane tanks\u003c\/li\u003e\n\u003cli\u003eContinuous ignition with high reliability\u003c\/li\u003e\n\u003cli\u003eExtended runtime and minimal maintenance\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🛠 Durable Construction\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel combustion chamber and heat exchanger\u003c\/li\u003e\n\u003cli\u003eHeavy-duty frame with lift bracket for transport\u003c\/li\u003e\n\u003cli\u003eWater-resistant flame control box and automatic safety devices\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🏢 Occupied Workspaces\u003c\/h4\u003e\n\u003cp\u003eSafe, fume-free heat for indoor or partially enclosed industrial spaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 20px; border-radius: 10px;\"\u003e\n\u003ch4\u003e🎪 Tents \u0026amp; Event Areas\u003c\/h4\u003e\n\u003cp\u003eIndirect heat for temporary structures and exhibition halls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #eee; padding: 20px; border-radius: 10px;\"\u003e\n\u003ch4\u003e🚧 Construction \u0026amp; Maintenance Sites\u003c\/h4\u003e\n\u003cp\u003eClean heat for temporary buildings, shops, or partially enclosed jobsite areas.\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\u003eHeating Capacity\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\u003eEstimated Coverage Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 9,875 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\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 style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel Connection \/ Tank\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect NG line or 100 Lb Propane tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120V \/ 60Hz \/ 13A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-static indirect airflow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDucting Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 100 ft (Dual 12\" or Single 16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat Exchanger\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless Steel (Indirect Fired)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIgnition Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContinuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eMobility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePneumatic wheels \/ heavy-duty frame with lift bracket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnit Dimensions (L×W×H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e68\" × 27\" × 60\"\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\u003e473 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermostat Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF105108 Analog (33') \/ F105106 Digital (33')\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\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":49872434954395,"sku":"GWG311215-1","price":9100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0791\/9022\/9147\/files\/Heater_98b97241-02f3-4fc1-a086-c75561167415.jpg?v=1792532173","url":"https:\/\/katoolgear.shop\/products\/heatstar-indirect-fired-heater-hsp400id-g-400k-btu-hr-natural-propane","provider":"Katool and Gear","version":"1.0","type":"link"}