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Key Features
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Heat exchanger keeps exhaust gas and heated air completely separate for clean, safe airflow
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Runs on kerosene, JP8, filtered #1 and #2 diesel, or #1 and #2 fuel oil
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27.7 gallon fuel capacity provides up to 9 hours of runtime per tank
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Long-life stainless steel combustion chamber resists corrosion over years of use
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Water-resistant flame control box protects electronics in wet jobsite conditions
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Flame safety and overheat safety shutoff protect against malfunction
How It Compares
How The HeatStar HS3500DF Compares To Other Direct Fired Heater Options
Contractors evaluating direct fired heaters for construction and industrial heating usually face this question: should I get this HS3500DF for mid-size job sites, or step up to the HS4000NG/LP or HS6000DF for larger spaces or dual fuel flexibility?
| Feature | HeatStar HS3500DF, 360K BTU, Oil-Based Fuels | HeatStar HS4000NG/LP, 400K BTU, Gas/Propane | HeatStar HS6000DF, 600K BTU, Oil-Based Fuels |
|---|---|---|---|
| BTU Output | 360,000/hr | 400,000/hr | 600,000/hr |
| Fuel Type | Kerosene, diesel, fuel oil, jet fuel | Natural gas or propane | Kerosene, diesel, fuel oil, jet fuel |
| Ducting | Not specified as ductable | Ductable up to 50 ft | Ductable up to 50 ft |
| Best Suited For | Mid-size job sites on liquid fuel | Sites with gas/propane access wanting clean burn | Largest job sites needing maximum output |
Product Description
The HeatStar HS3500DF direct fired heater features a high output of 360,000 BTU/hr, warming an area up to 9,400 Sq. Ft. with ease. This heavy duty heater is made for use with kerosene, diesel, jet fuel, and fuel oil, and features a heat exchanger to keep exhaust gas and heated air separate. With its 27.7 gallon fuel capacity, this heater will run for up to 9 hours on a full tank. The stainless steel combustion chamber, alongside safety features to protect against flames and overheating, ensure a long and safe service life.
- Provides 360,000 BTU/hr of heat
- Heats spaces up to 9,400 Sq. Ft. quickly and efficiently
- 27.7 gallon fuel capacity for up to 9 hours of runtime
- Runs on kerosene, JP8 (Jet A), filtered #1 and #2 diesel, and #1 and #2 fuel oil
- Long life stainless steel combustion chamber
- Water resistant flame control box
- Flame safety and overheat safety shutoff
- Powerful fans ensure high static pressure
- Compatible with optional accessories like thermostat and duct adapters
Full Spec Sheet
| Model | HS3500DF, GWG311218 |
| BTU Output | 360,000/hr |
| Heating Area | Up to 9,400 sq ft |
| Fuel Type | Kerosene, JP8, #1/#2 diesel, #1/#2 fuel oil |
| Fuel Capacity | 27.7 gal |
| Runtime | Up to 9 hrs |
| Combustion Chamber | Stainless steel |
| Safety | Flame and overheat shutoff, water-resistant flame control box |
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