HeatFast HF45G 45,000 BTU LP Forced Air Heater


The HeatFast HF45G 45,000 BTU LP 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. feet and is easily portable using a 20lb (not included) propane cylinder as a fuel source.

SKU: HF45G Category:


  • BTU output: 45,000 BTU per hour
  • Heating area: up to 1,000 sq. ft.
  • Up to 11 hours run time (low setting)
  • Uses 20 lb. propane tank (not included)
  • Continuous electronic spark ignition
  • Electrical requirements: 120V, 60 Hz, 160 Watt / AWG 14 extension cord recommended
  • 10' hose and regulator included
  • 1 Year manufacturers limited warranty.


Accessories Included No
Adjustable Thermostat Yes
Area Heated (ft²) 1000
BTU Heat Rating 45000
CSA Certified Yes
Color / Finish orange
Depth (in) 7.1
ETL Listed No
Efficiency (%) 99
Electricity Required Yes
Fuel Rate (lbs/h) 1.8
Fuel Type Diesel / Kerosene
Heater Controls Dial
Heater Design Portable
Ignition Source Electronic
Indoor / Outdoor Indoor/Outdoor
Manufacturer Warranty 1 Year Limited Warranty
Material Steel
Maximum Hours Of Operation 11
Package Contents Heater, regulator and hose
UL Listed No
Wall Mount No
Wheels No
Width (in) 18.1


Assembled Depth (in) 7.1
Assembled Height (in) 13
Assembled Width (in) 18.1
Package Depth 8.9
Package Height 14.8
Package Weight 14.2
Package Width 19.3



California Proposition 65 Warning Required Yes