Construction Heater – Propane/Natural Gas 350,000 BTU Indirect
Model: Frost Fighter IDF 350
High-Performance Dual-Fuel Indirect-Fired Heater for Clean, Reliable Jobsite Heat
The Frost Fighter IDF 350 is a rugged, high-output indirect-fired heater engineered to deliver 350,000 BTU/hr of clean, fume-free heat to large job sites, tents, and industrial facilities. Designed for either propane or natural gas operation, this heater provides powerful and efficient heating performance while ensuring safe air quality for enclosed or occupied environments.
With a massive 2,500 CFM airflow and precision heat-exchanger design, the IDF 350 distributes clean, dry air through ducting systems up to 100 feet away. The heavy-duty steel cabinet, high-static pressure fan, and fully enclosed burner system are built to perform reliably even in the toughest conditions, making this model the preferred choice for construction, restoration, and event heating.
SPECIFICATIONS
| Feature | Specification |
|---|---|
| Manufacturer | Frost Fighter Heating Solutions |
| Model | IDF 350 |
| Heater Type | Indirect-Fired, Dual-Fuel Construction Heater |
| Fuel Type | Propane (LP) or Natural Gas (NG) |
| Heat Capacity | 350,000 BTU/hr |
| Air Flow | 2,500 CFM |
| Max Duct Temperature | 290 °F |
| Horsepower | 0.5 hp |
| Power Requirements | 115 V, 60 Hz, 15.0 amp |
| Combustion Efficiency | Up to 90% |
| Fuel Connection | Quick-connect fitting for LP or NG supply |
| Safety Features | Flame safeguard, overheat sensor, air pressure switch, vented exhaust |
| Clearance – Front | 10 ft |
| Clearance – Sides | 2 ft |
| Clearance – Rear | 4 ft |
| Clearance – Ceiling | 2 ft |
| Duct Connection | 16″ outlet (up to 100 ft duct length) |
| Construction | Heavy-gauge steel frame and powder-coated cabinet |
| Mobility | Integrated lifting hooks and forklift pockets |
| Dimensions (L × W × H) | 78.0 × 30.0 × 56.0 in |
| Weight (Empty) | 580 lbs |
