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Heat Wagon DG400 Direct-Fired Heater


DG400 Direct-Fired heater is a powerful direct-fired portable heating unit for use in temporary space heat up to 9500 square feet, and larger bed bug heat treatments up to 2000 square feet.

See full product information for the DG400 Bed Bug Accessory Package


  • Ships via truck freight to commercial dock.
  • Additional shipping charges will apply for liftgate, rural, limited access and residential delivery.

Add DG400 Bed Bug Accessory Package?

DG400 accessory package for use in bed bug heat treatments. Includes 20" duct adapter, 1 section of 20"x25' ducting, 50 foot remote hi-temp thermostat, 50 foot custom gas hose/regulator assembly.

Heat Wagon High Pressure Gas Install Kit High pressure install kit includes 1st and 2nd stage regulator, fittings, and 25' 3/4 high pressure gas hose to provide proper supply to the machine.


Add-ons total:


The Heat Wagon DG400 Direct-Fired heater is a powerful and multifunctional direct-fired portable heating unit that is designed to provide warmth in large spaces, as well as provide elevated heat to kill bed bugs.

Key Features

  • Powerful 400,000 BTU output
  • Treats 2000 square feet for bed bug heat remediation, and temporary space heating up to 9,500 square feet of space.
  • CSA Certified
  • Thermostatically Controlled

The Heat Wagon D400 Direct-Fired system can be fueled by either propane or natural gas, which provides convenient options for both bedbug treatments and temporary heating project. It comes equipped with a number of safety features, including overheat protection, flame-out protection, and a safety shut-off valve.

The heater is capable of ducting up to 50′ with a 170 degree heat rise. It is designed for easy portability, with heavy-duty wheels, lightweight frame, and collapsible handle for easy transportation across a number of surfaces.

The Heat Wagon DG400 Direct-Fired heater is ideal for use in a variety of temporary heat settings, including construction sites, outdoor events, and warehouses. It is also an excellent choice for heat treatments for bed bugs in homes and apartments.

The heater can be supplied with the DG400 Bed Bug Accessory Package, or a temporary heater accessory kit.

Input 394,000 / 404,000
  • Vapor Propane
  • Natural Gas
Fuel Consumption
  • 4.3 GPH
  • 404 CFH NG
Electrical 120V, 8 amp
Fan 4,120 CFM
Thermostat On/Off (optional)
Temp Rise 180 degrees
Weight 233 lbs.
Ductable up to 50′
Dimensions 61″ L
34″ W
39″ H

To view more product details from the manufacturer of the Heat Wagon DG400 heat system such as product video, manuals or tech support, click here.

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