HeatStar Direct Fired Portable Heater | HS4000NG/LP | 400K BTU/hr | Propane/Natural
HeatStar Direct Fired Portable Heater | HS4000NG/LP | 400K BTU/hr | Propane/Natural
HeatStar Direct Fired Heater — 400,000 BTU/hr | Propane / Natural Gas
⚠️ IMPORTANT SAFETY NOTICE:
This is a direct fired gas heater. Combustion byproducts are released into the heated air. For outdoor or well-ventilated indoor use only. Not approved for occupied enclosed spaces.
⚡ Power Requirement: 115V / Single Phase (3 Amp) — Optional Remote Thermostat
The HeatStar HS4000NG/LP Direct Fired Heater delivers massive 400,000 BTU/hr 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 natural gas or propane and offers exceptional flexibility, airflow, and heating performance for demanding environments.
High-Output Gas Heating for Large, Open Environments
The 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 50 feet or placed directly in the heated space with exhaust ducted outside using an optional chimney kit—reducing heat loss and improving efficiency over time.
Why Choose the HeatStar HS4000NG/LP
🔥 Extreme Heating Power
- 400,000 BTU/hr gas-fired heat
- Ideal for large construction and industrial spaces
- High airflow for rapid temperature recovery
⛽ Dual-Fuel Flexibility
- Runs on natural gas or propane
- Simple fuel selector valve with safety lock
- Supports two 100 lb propane tanks
🛠 Jobsite-Ready Design
- Heavy-duty 10" pneumatic wheels
- Onboard diagnostics system
- Remote thermostat connection
Ideal Applications
🚧 Construction & Jobsite Heating
High-volume gas heat for large construction projects and cold-weather operations.
🏭 Warehouses & Industrial Facilities
Temporary heating for ventilated warehouses, loading docks, and production areas.
🏢 Rental & Temporary Heat
Popular rental fleet heater for large open spaces requiring fast, powerful heat.
Specifications
| Heat Output | 400,000 BTU/hr |
| Fuel Type | Natural Gas or Propane |
| Airflow | 4,120 CFM |
| Gas Supply Requirements | NG: 3/4" Line | LP: Two 100 lb Tanks |
| Gas Inlet Pressure | LP: 8–13" WC | NG: 7–10" WC |
| Electrical | 115V / 3 Amp |
| Ducting Capability | 20" Duct — Up to 50 ft |
| Clearance to Combustibles | Outlet: 10 ft | Sides: 3 ft | Ceiling: 2 ft |
| Dimensions (L×W×H) | 24.25" × 57" × 32.5" |
| Unit Weight | 233 lbs |
| Warranty | 1-Year Limited |