SunFire SF120 Radiant Heater, 120,000BTU, Diesel/Kerosene Fuel

SunFire SF120 Radiant Heater, 120,000BTU, Diesel/Kerosene Fuel

The SunFire 95120S SF120 Radiant Heater is a powerful, jobsite-ready heating solution built to deliver serious warmth without blowing air everywhere. Producing 120,000 BTU of radiant heat, it warms objects and surfaces directly—making it ideal for shops, barns, and construction areas where traditional forced-air heaters fall short. With a 14+ gallon tank and up to 16–18 hours of runtime, this unit is built for long, steady operation. Best of all, it runs clean with no noticeable fumes or odor, so you get heat where you need it without the usual diesel heater drawbacks.

Country of Origin
Made in the U.S.A.

Key Features / Specifications

• Model / Part Number: 95120S (SF120)
• Brand / Series: SunFire Radiant Heater
• Product Type: Radiant Diesel/Kerosene Heater
• Heat Output: 120,000 BTU/hr
• Heating Coverage: Up to 2,800 sq. ft.
• Fuel Type: Diesel, Kerosene, or #2 Fuel Oil
• Tank Capacity: 14.2 gallons
• Runtime:
  • Diesel/#2 Fuel: Up to 16 hours
  • Kerosene: Up to 18 hours
• Fuel Consumption:
  • Diesel/#2: 0.85 GPH
  • Kerosene: 0.78 GPH
• Power Requirements:
  • 120V, 1.2A, 60Hz
  • Or 12V via pure sine inverter (800W minimum)
• Heating Type: Radiant (direct heat to objects, not just air)
• Operation: No smell / no fumes during proper use
• Thermostat Compatibility:
  • Works with standard mechanical or battery-powered thermostats
  • Not compatible with 120V smart thermostats
• Dimensions: 28.5"W x 32"L x 33.75"H
• Weight:
  • Dry: 120 lbs
  • Full Tank: 219 lbs
• Safety Certification: UL Listed (US & Canada)
• Warranty: 2-Year Bumper-to-Bumper Limited Warranty

Important Safety Notes

• Minimum Clearances:
  • Front: 84"
  • Sides: 36"
• Not for indoor residential use
• Proper ventilation required during operation

Ideal For

• Shops, barns, garages, and construction sites
• Heating large open areas up to 2,800 sq. ft.
• Users needing long runtime without constant refueling
• Jobs where radiant heat is more effective than forced air
• Anyone who wants heat that actually warms you—not just the air around you