SunFire SF80 Radiant Heater, 80,000BTU, Diesel/Kerosene Fuel

SUNFIRE SF80 Portable Radiant Heater 80,000 BTU indoor/Outdoor Dual Fuel Diesel/Kerosene

The SUNFIRE SF80 Portable Radiant Heater is a high-output, jobsite-ready heating solution built to deliver serious warmth in large, open spaces without the usual fumes and headaches. Producing 80,000 BTUs of radiant heat and capable of warming areas up to 1,900 sq. ft., this dual-fuel unit runs on diesel, kerosene, or #2 fuel oil for flexibility in the field. With up to 10 hours of runtime on a 6-gallon tank, it keeps you working comfortably—even when the weather clearly didn’t get the memo.

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

Key Features / Specifications

• Model / Part Number: SF80
• Brand / Series: SUNFIRE
• Product Type: Portable radiant heater
• Heat Output: 80,000 BTU/hr
• Heating Capacity: Up to 1,900 sq. ft.
• Fuel Type: Diesel, Kerosene, or #2 Fuel Oil
• Tank Capacity: 6 gallons
• Run Time: Up to 10 hours
• Fuel Consumption:
  • 0.58 GPH (Diesel / #2 Fuel Oil)
  • 0.56 GPH (Kerosene)
• Power Requirements:
  • 120V, 0.5A, 60Hz
  • Or 12V pure sine inverter (800W minimum)
• Thermostat Compatibility:
  • Works with standard mechanical or battery-operated thermostats
  • Not compatible with 120V/smart thermostats
• Dimensions: 28″ L x 19.75″ W x 28.1″ H
• Weight:
  • Dry: 80 lbs
  • Full Tank: 127 lbs
• Certification: UL Listed (US & Canada)
• Warranty: 2-Year bumper-to-bumper limited warranty
• Operation Advantage: Radiant heat = warms people and objects directly, not just the air
• Performance Benefit: Low fumes, reduced odor, and more efficient heat delivery

Important Safety Notes

• Not for indoor residential use
• Proper ventilation required during operation
• Minimum Clearances:
  • Front: 84″
  • Sides: 36″
  • Back: N/A

Ideal For

• Heating job sites, shops, barns, and outdoor work areas
• Contractors needing portable, high-output heat with long runtime
• Agricultural use in well-ventilated barns or covered spaces
• Situations where diesel or kerosene fuel flexibility is beneficial
• Anyone who wants to stay warm on the job… instead of questioning their life choices in cold weather