Dyna-Glo Torpedo Heater – High-Output Portable Heating
Our torpedo heater is engineered for high-output forced-air heating in workshops, garages, construction sites, and warehouses where quick warmth matters. The cylindrical design maximizes airflow while the integrated handle and rear wheels make relocation simple even during active use.
We built this unit around a heavy-duty steel combustion chamber that withstands repeated thermal cycling without warping. The variable output dial lets you scale heat from 70,000 to 135,000 BTU, so you're not locked into full power when conditions don't demand it. Thermostat compatibility and automatic safety shutoff round out a package designed for real work environments.
- Variable BTU output: 70,000–135,000 BTU for scalable heating
- Forced-air circulation covers up to 3,350 sq ft
- Heavy-gauge steel combustion chamber and housing
- Integrated carry handle and rear transport wheels
- Thermostat-ready with included receptacle
Combustion Chamber & Heat Output
The heart of this Dyna-Glo torpedo heater is a continuously welded steel combustion chamber that cycles between idle and full load without the flex and fatigue common in lighter gauge construction. We test every chamber at 150,000 BTU for ten consecutive hours before it leaves the factory—well above the unit’s maximum rated output.
Heat delivery is immediate. The electric ignition sparks within three seconds of pressing the start button, and the blower fan ramps to full speed as soon as combustion stabilizes. At maximum output you’ll move warm air across a 3,350-square-foot space, though actual coverage depends on ceiling height, insulation, and outdoor temperature. For smaller zones or milder conditions, the variable dial lets you throttle down to 70,000 BTU and cut fuel consumption by nearly half.
Fuel Compatibility & Tank Capacity
This model accepts both kerosene and diesel, giving you flexibility when one fuel is more accessible or cost-effective than the other. The ten-gallon fuel tank sits beneath the main body, accessible via a top-fill cap with integrated strainer to catch debris before it reaches the pump.
Runtime & Refueling
At 135,000 BTU, expect approximately seven hours per tank fill. Dialing back to 70,000 BTU extends that window past twelve hours. The fuel gauge is a simple float-style indicator—visible at a glance but not precision calibrated. We recommend topping off at the quarter-tank mark rather than running it dry, since air in the fuel line requires a manual prime after an empty run.
Portability & Setup Requirements
Despite the substantial output, the entire assembly weighs just under seventy pounds when the tank is empty. The molded rear wheels and front carry handle distribute the load well enough that one person can roll the unit over smooth concrete or asphalt without strain. Rougher terrain—gravel, packed dirt, uneven shop floors—benefits from a second set of hands to stabilize the housing.
Electrical requirements are minimal: standard 120V household current powers the ignition spark and circulation fan. The six-foot cord reaches most outlets in a typical garage bay, though job sites without mains power will need a generator rated for at least 5 amps continuous draw. Ventilation is non-negotiable—this is an open-flame heater that exhausts combustion gases directly into the workspace. Open doors, windows, or mechanical ventilation are mandatory to prevent carbon monoxide buildup.
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Common Questions About This Torpedo Heater
You can operate it in enclosed spaces like garages, warehouses, and workshops, but only with adequate ventilation. This is an open-flame heater that exhausts combustion gases into the room. Open doors, windows, or mechanical exhaust fans are required to prevent carbon monoxide accumulation. Never use it in living spaces, bedrooms, or areas where people sleep.
The unit accepts both kerosene and diesel fuel. Always check your local fire codes and fuel storage regulations before choosing a fuel type. The ten-gallon tank has a built-in strainer in the fill cap to catch debris, but we still recommend filtering fuel through a fine mesh or chamois when transferring from bulk containers.
At 135,000 BTU, a full ten-gallon tank runs approximately seven hours. Reducing output to 70,000 BTU extends runtime past twelve hours. Actual duration varies with fuel quality, altitude, and how often the thermostat cycles the unit on and off.
Yes. The electric ignition and circulation fan both require standard 120V household current. The heater draws roughly five amps during operation, well within the capacity of a typical fifteen-amp circuit. You'll need a generator if you're working at a site without mains power.
Remove the nozzle assembly by unscrewing the retaining nut at the front of the combustion chamber. Use the included wire brush and nozzle-cleaning tool to clear carbon deposits from the spray orifice. Inspect the electrode gap and adjust to the specification in the owner's manual—typically three-sixteenths of an inch. Reinstall and test-fire the unit outdoors to verify proper ignition and flame pattern.
The rear panel includes a thermostat receptacle compatible with millivolt or 24V HVAC thermostats. Once wired, the heater cycles automatically to maintain your set temperature. Consult the wiring diagram in the manual or hire a licensed electrician if you're unfamiliar with thermostat installation.
A tip-over switch kills fuel flow and ignition if the unit tilts beyond fifteen degrees. A photocell monitors the flame continuously and triggers an automatic shutoff if combustion is interrupted for more than three seconds. Both systems reset automatically once the unit is upright and conditions return to normal.