The Ductable Foreman 230 DF heating a residental work site.

The Foreman® portable heater series is vented and ideal for providing dry, clean heat into insulated spaces, work areas, docks. Use anywhere 100% clean air is needed. The ductable Foreman® heater series from L.B. White features a fully welded heat exchanger, quiet operation, and reliable, high CFM. L.B. White has designed every aspect of these portable construction heaters to withstand harsh working environments. We stand behind the reliability, durability and serviceability of our products in the field with an industry-leading two-year warranty.

Call our technical experts to help you select the correct size and quantity of portable heaters for your job site.

Technical Support – 608-779-6160

Foreman Oil heater heating a new construction.

Key features of the commercial grade Foreman® Portable Gas Heater series for industrial and construction sites

  • NEW 230,000 (DF & Oil), 500,000 (DF & Oil), and 750,000 (DF & Oil) Btu/h models
  • Dual Fuel (LPG/NG) and Diesel models available
  • Quiet burn with reliable, high CFM
  • Balanced handle & wheels for one person portability
  • Easy to transport with top lifting balefork lift pockets
  • Designed for efficient storage options
  • Ductable up to 100 feet
  • Aids fuel efficiency with air recirculation option, vent mode (fan only), and remote thermostatic control option
  • Robust materials with fully welded heat exchanger and powder coated protective frame

Foreman Indirect-Fired Heater at a residential construction site.

If you need help with proper heater sizing, please call our technical experts to help you select the correct size and quantity of heaters.

Technical Support – 608-779-6160


Specifications, features, and more for Foreman® Indirect-Fired Portable Heaters.


Schematics, setup instructions, and more for Foreman® Indirect-Fired Portable Heaters.


Step by step how-to videos for Foreman® Indirect-Fired Portable Heaters.


Search for a dealer near you. Select an industry type and enter your zip code or choose a country.


Enter your application information, and get in contact with a sales specialist or dealer near you.


Determine the type and number of heaters needed for your space.

Download to your smart phone—it’s free & easy! Learn how >>> video, printable instructions


Download a PDF file of the Ag. Parts and Accessories Price Book.