Tradesman® Portable Forced Air Heater

Tradesman Portable Construction Heater Family

The Leading Portable Gas Heater for
Construction Jobs and Industrial Work Sites

Engineered to deliver reliable, directional heat, L.B. White Tradesman portable heaters feature a unique 3-trial ignition system, the industry's heaviest gauge combustion chamber and burner plate, and Self Diagnostic Service Saver models for convenient trouble-shooting. L.B. White has perfected every aspect of our portable construction heaters design to withstand harsh working environments. This has led to our reputation for reliability, durability and serviceability in the field. When the comfort and safety of your work crew is at stake… you want the leader in portable heating equipment for any commercial, industrial or construction job… L.B White.

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

Technical Support – 608-779-6160

Tradesman portable forced air heater in a new home construction.

Key Features of the Commercial Grade L.B. White Tradesman (Propane and NG) Portable Gas Heater for Industrial and Construction Sites

  • Available in models ranging from 100,000 to 400,000 Btu/h
  • Propane gas and natural gas (NG) models available
  • Ultra models include Self Diagnostic Service Saver for convenient trouble-shooting
  • Dependable electronic spark ignition
  • Superior tri-shield finish provides extended protection against abrasion and corrosion.
  • Thermostatic temperature control (170 and 400 models)
  • Adjustable front leg provides easy direction of heat (170 model)
  • Variable output saves fuel
  • 100% test fired at our plant
  • Direct-fired = 99.97% fuel efficiency
  • CSA US and Canadian certified

Click here to view our portable kerosene heaters for construction jobs and industrial work sites »

Model Numbers: 125 170 170 Ultra 170N 170N Ultra 400 400 Ultra 400 Ultra DF
BTU/H Rating 70,000-125,000 125,000-170,000 125,000-170,000v 125,000-155,000 125,000-155,000 250,000-400,000 250,000-400,000 170,000-400,000*
Heated Air Output (CFM) 400 550 550 550 550 1,050 1,050 1,050
Fuel Type LP LP LP NG NG LP LP LP/NG
Fuel Consumption LP Gas min/max (lbs./hr) 3.2/5.8 5.8/7.9 5.8/7.9 - - 11.6/18.6 11.6/18.6 11.6/18.6
Fuel Consumption Natural Gas (cu.ft/hr) - - - 125/155 125/155 - - 170/400
Inlet Gas Pressure LP Gas 11.0 (in. w.c.) 11.1 (in. w.c.) 11.1 (in. w.c.) - - 5.2 PSIG 5.2 PSIG 1.5 PSIG
Inlet Gas Pressure Natural Gas min/max - - - 7/13.5 (in. w.c.) 7/13.5 (in. w.c.) - - 1.5 PSIG
Amps (Starting/Continuous Operation) 2.0/0.70 3.7/1.0 3.7/1.0 3.7/1.0 3.7/1.0 4.0/1.3 4.0/1.3 4.0/1.3
Service Saver (Self-Diagnostics) - - Yes - Yes - Yes Yes
Length (in.) 25.6 24.0 24.0 24.0 24.0 34.5 34.5 34.5
Width (in.) 11.8 9.5 9.5 9.5 9.5 12.5 12.5 12.5
Height (in.) 16.0 16.0 16.0 16.0 16.0 21.5 21.5 21.5
Shipping Weight (lbs.) 28.0 34.0 34.0 34.0 34.0 51.0 51.0 55.0
Case Material Steel w/Baked Enamel Steel w/Tri-Shield Coating** Steel w/Tri-Shield Coating** Steel w/Tri-Shield Coating** Steel w/Tri-Shield Coating** Steel w/Tri-Shield Coating** Steel w/Tri-Shield Coating** Steel w/Tri-Shield Coating**
High Temp Safety Switch Yes Yes Yes Yes Yes Yes Yes Yes
Air Flow Safety Switch No No Yes No Yes Yes Yes Yes
Gas Pressure Regulator S (w/POL) S (w/POL) S (w/POL) S S S (w/POL) S (w/POL) S (w/POL)
Unit Mount Thermostat *** S S S S S S S
Gas Hose S S S O O S S S
CSA Certification US & Canada US & Canada US & Canada US & Canada US & Canada US & Canada US & Canada US Only

S = Standard O = Optional

*250,000 to 400,000 on LP

**Tri-shield coating consists of 3 unique protective layers: a non-corrosive hot-dipped galvanized steel, an oven-cured epoxy primer, and a baked, thermosetting polyester.

***Thermostat not available due to configuration of gas train.

⚠ WARNING: When operating, this heater produces chemicals, including Carbon Monoxide, known to the State of California to cause birth defects and other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Tradesman Portable Construction Heater Family

Engineered to deliver reliable, directional heat, L.B. White Tradesman portable heaters feature a unique 3-trial ignition system, the industry's heaviest gauge combustion chamber and burner plate, and Self Diagnostic Service Saver models for convenient trouble-shooting. L.B. White has perfected every aspect of our portable construction heaters design to withstand harsh working environments. This has led to our reputation for reliability, durability and serviceability in the field. When the comfort and safety of your work crew is at stake… you want the leader in portable heating equipment for any commercial, industrial or construction job… L.B White.