HeatFast HF45K 45,000 BTU Oil Fired Forced Air Heater


The HeatFast HF45K 45,000 BTU forced air heater provides hours of comfort for your jobsite, barn, or “Wherever You Need To Bring The Heat”. This high output torpedo heater provides strong, powerful, and dependable heat for areas up to 1,050 sq. ft. and has been tested to sub zero temperatures to insure it is ready for all winter weather conditions. This kerosene forced air heater is field tested for several types of fuel including kerosene, diesel, home heating oil, and jet fuel (WARNING:DO NOT USE GASOLINE!) and can operate for 16 hours due to its large 5.3 gallon fuel tank. Additional convenient features includes built in air pressure gauge, and a convenient easy pour tilted fuel fill.

SKU: HF45K Category:


  • BTU output: 45,000 BTU per hour
  • Heating area: 1,050 sq. ft
  • Up to 16 hours run time
  • 5.3 Gallons fuel tank capacity
  • Uses multiple fuels: K-1 kerosene, diesel fuel, #1 & #2 heating oil, jet-A, and JP-8
  • Electrical requirements: 120V, 60 Hz, 160 Watt / AWG 14 extension cord recommended
  • 1 Year manufacturers limited warranty
  • Continuous spark ignition


Accessories Included No
Area Heated (ft²) 1050
BTU Heat Rating 45000
Color / Finish Orange
Depth (in) 15.9
Fuel Type Diesel / Kerosene
Heater Controls Pushbutton
Heater Design Portable
Height (in) 11.8
Indoor / Outdoor Outdoor
Kerosene Heater Fuel Capacity (gal) 5.3
Manufacturer Warranty I Year Manufacturers Limited Warranty
Wheeled No
Width (in) 29.1


Assembled Depth (in) 7.1
Assembled Height (in) 13
Assembled Width (in) 18.1
Package Depth 15.9
Package Height 11.8
Package Weight 28.2
Package Width 29.1



California Proposition 65 Warning Required Yes