Sunfire SF150 Radiant Heater – 150,000 BTU

The Sunfire SF150 is a heavy-duty, fuel-fired radiant heater engineered for contractors, mechanics, warehouse operators, and industrial users who need powerful, reliable heat in demanding environments. Delivering an impressive 150,000 BTUs, the SF150 is the most powerful portable radiant heater in its class. Built with rugged, all-steel construction and designed for easy mobility, it provides efficient, directional heat for large indoor and semi-enclosed spaces such as shops, garages, warehouses, and job sites.

KEY FEATURES

• 150,000 BTU Output: Industry-leading radiant heat output delivers fast, effective warming for large spaces.
• Fuel Flexibility: Runs on diesel or #2 fuel for dependable performance in cold conditions.
• Heats Up To 3,600 Sq. Ft.: Ideal for warehouses, workshops, garages, and construction sites.
• High / Low Heat Settings: Adjustable output allows better fuel efficiency and temperature control.
• Heavy-Duty Steel Construction: Built tough enough to withstand extreme jobsite abuse—even capable of supporting the weight of a pickup truck without denting.
• Flat-Free Rubber Wheels: Designed for easy one-person transport across shops and job sites.
• Multi-Lift Bracket: Enables flexible positioning and mounting options.
• Thermostat Ready: Compatible with wall thermostats (mechanical or battery-operated) for automated temperature control.
• 19-Gallon Fuel Tank: Large tank capacity provides up to 19 hours of continuous runtime.

APPLICATIONS / USE CASES

• Warehouses and distribution centers
• Automotive shops and service garages
• Construction and industrial job sites
• Manufacturing facilities
• Farm buildings and equipment shops
• Large workshops and maintenance bays

WHAT’S INCLUDED

• Sunfire SF150 Radiant Heater
• Flat-free wheel assembly
• Integrated multi-lift bracket
• Built-in 19-gallon fuel tank

TECHNICAL SPECIFICATIONS

• BTU/HOUR: High: 150,000 (43kW), Low: 130,000 (38kW)
• FUEL: Diesel or No. 2 fuel
• FUEL CAPACITY: 19 Gallons
• RUN TIME: High: 17 Hours, Low: 19 Hours
• FLOW RATE: High: 1.10 GPH, Low: .97 GP
• OVERALL DIMENSIONS: 29"W x 35"L x 41"H (73.7cm x 88.9cm x 104.1cm)
• WEIGHT: Empty Tank: 195 lbs. (88kg), Full Tank: 320 lbs. (145kg)

FREQUENTLY ASKED QUESTIONS

1. Is the Sunfire SF150 safe for indoor use?
The SF150 is designed for use in well-ventilated indoor or semi-enclosed spaces such as warehouses, shops, and garages. Proper ventilation is required when operating fuel-fired heaters.

2. What type of fuel does the SF150 use?
The heater operates on diesel fuel or #2 fuel oil, providing reliable cold-weather performance.

3. How long will the heater run on a full tank?
With its 19-gallon fuel tank, the SF150 can run for up to 19 hours depending on heat setting.

4. Can I connect a thermostat to control the temperature?
Yes, the SF150 is thermostat-ready and can be connected to either a mechanical or battery-operated wall thermostat.

5. How portable is the SF150?
Despite its heavy-duty steel construction, the flat-free rubber wheels and balanced design allow one person to easily move the heater around a shop or job site.