Avenger

Avenger FBDTP360 360 Tank Top Propane Heater

4.1 (79 reviews)
20 lb

42,000 BTUs of 360-degree radiant heat that mounts directly on your propane tank — no cords, no setup, no cold.

$98.25*
Check availability

*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Avenger FBDTP360 makes a straightforward case for itself: 42,000 BTUs, no cords, no stands, no hose runs — just screw it onto a standard propane tank and strike a match. That simplicity is the whole point. It's built for the kind of situations where you need heat now — an early morning job site before the sun comes up, a late-season outdoor event, a hunting camp where electricity isn't an option. The 360-degree radiant output and swiveling burner heads mean you're not fighting the heater to warm a space; it radiates outward efficiently and lets you angle the burners when you need to concentrate heat in a particular direction.

Construction is straightforward and durable — wire guards front and rear protect the burner elements from incidental contact, and the safety systems are the kind that work passively rather than requiring user intervention. The tip-over switch and automatic gas shutoff valve are mechanical fail-safes, not electronic ones, which means they're reliable regardless of weather or battery state. At under 5 pounds the heater is genuinely easy to relocate, though the combined weight of heater plus a full 20 lb. propane tank means you're moving roughly 25 pounds total when repositioning. For buyers who need a no-nonsense portable heat source in the 40,000 BTU range, the FBDTP360 delivers without overcomplicating the job.

Key Features

TECHNOLOGY: 42,000 Maximum BTU infrared outdoor heater provides powerful heat which operates on threaded, refillable propane tanks (sold separately); Recommended for outdoor use only

DEPENDABLE: 3 heat temperature settings (low-medium-high) for customizable heat settings, ideal for greater heat flow for your outdoor space; Durable front & rear wire guard for safer operation

USEFUL: Hooks up in minutes, heats up in seconds; Great portable heater for camping Propane burner heads swivel up to 45 degrees for directional heating on top of the propane tank

SAFE: Automatic Safety Control Valve shuts off gas flow to the patio heater if flame goes out; Match-light ignition, no electricity required; Safety tip switch so portable heater shuts down if accidentally tipped over

ECONOMICAL: These low-cost outdoor heaters are the perfect solution when you need instant heat! 99.9% efficient. This small but powerful heater can run for up to 9.5 hours on a single 20 lb. propane tank

Specifications

Brand
Avenger
Model
FBDTP360
Maximum BTU Output
42,000 BTU
Heating Coverage
Up to 1,000 sq. ft.
Fuel Type
Propane
Heat Settings
Low, Medium, High
Ignition Type
Match-Light
Safety Features
Automatic shutoff valve, tip-over switch
Burner Swivel Range
Up to 45 degrees
Tank Runtime (20 lb.)
Up to 9.5 hours
Dimensions
8.6" D x 8.6" W x 20.7" H
Weight
4.99 lbs
Indoor/Outdoor Use
Both (ventilation required indoors)

Pros & Cons

👍 Pros

  • At 42,000 BTU maximum output it heats up to 1,000 square feet — capable enough for a mid-size garage, construction bay, or outdoor gathering area.
  • The tank-top mount design means zero setup time — no hose to route, no stand to assemble, just attach and light.
  • At under 5 pounds the FBDTP360 is genuinely portable; moving it between a job site and a campsite is a one-handed task.
  • Three heat settings give real-world flexibility to dial down when conditions warm up or preserve tank runtime.
  • Match-light ignition requires no batteries or electrical source — it works when power isn't available.

👎 Cons

  • Match-light ignition means you need a lighter or matches on hand; there's no push-button piezo ignition for one-handed startup.
  • Mounting directly on a 20 lb. tank raises the heater's center of gravity — on uneven ground the tank-heater assembly is less stable than a floor-standing unit.
  • 360-degree radiant output, while a selling point in open spaces, means you can't easily contain heat in one direction on the low setting the way a directional heater would.
  • The 45-degree burner swivel offers some directionality, but significant repositioning still means moving the entire propane tank.

Frequently Asked Questions

It's designed to mount directly on a standard 20 lb. propane tank (the common backyard grill size). No separate hose or regulator connection is needed — the heater attaches at the tank valve and you're operational in minutes.
On the low setting you can expect up to 9.5 hours of runtime from a single 20 lb. tank. At maximum output that runtime decreases, so for extended sessions — job sites or overnight camping — having a spare tank on hand is worth the planning.
The product is listed for both indoor and outdoor use, but propane combustion heaters require adequate ventilation. Use in enclosed spaces with poor airflow carries carbon monoxide risk — this heater is best suited to garages with open doors, large warehouses, or fully outdoor settings.
Yes — the burner heads swivel up to 45 degrees, which lets you angle heat toward a work area or seating zone rather than purely radiating in all directions. It's a practical detail that makes a real difference on windy job sites.
A built-in tip-over switch automatically cuts power to the heater if it's knocked over, and the automatic safety shutoff valve closes gas flow if the flame goes out for any reason. Both features operate without any action from the user.