
Mr. Heater Forced Air Propane Heater
Score: 87/100
Vornado Velocity CUBE 5 OSC
Score: 87/100Rankings

The Mr. Heater F271390 is a portable forced-air propane heater delivering up to 125,000 BTU to heat spaces as large as 3,125 sq ft, featuring Quiet Burner Technology and built-in safety switches. Its weight and requirement for well-ventilated outdoor use limit indoor portability. Ideal for professionals needing high-output heating on job sites.

The Vornado Velocity CUBE 5 OSC is a 1500 W heater that uses Velocity Tuned Heat technology and 70° oscillation to quickly warm rooms of 100-300 sq ft, featuring a remote, timer and robust safety features. It does not provide a precise thermostat display and is heavier than some competitors. Ideal for users seeking fast, whole-room heat with modern controls and strong safety protections.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 1,500 Wbest | |
125,000 BTU/hbest | 5,118 BTU/h | |
3,125 sq ftbest | — | |
— | 720 minbest | |
| ↓ lower better | 1.361 kgbest | 3.3 kg |
— | 70 °best | |
— | 120 Vbest | |
1 years | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(3) | ||
BTU Output (BTU/h) | 125000 BTU/h | 5118 BTU/h |
Heating Area (sq ft) | 3125 sq ft | 100-300 sq ft |
Power Source | Propane | Electric |
Build & Design(2) | ||
Weight (kg) | 1.361 kg | 3.30 kg |
Dimensions (H × W × D) (cm) | 42.5 × 30.5 × 54.6 cm cm | 25.1 x 22.6 x 22.2 cm cm |
General(1) | ||
Warranty (years) | 1 years | 5 years |

Products in the top-left offer the best value (high score, low price).

Professional reviewers consistently commend the F271390 for its high BTU output, reliable forced-air heating, and safety features such as the high-temperature limit switch. They also highlight the Quiet Burner Technology as a differentiator that makes the unit suitable for outdoor jobs where noise matters.
Everyday users echo the professional praise, emphasizing rapid heating of large spaces, long runtime on a single tank, and the convenience of the included hose and regulator. The most common feedback revolves around the unit's weight and the requirement to operate only in well-ventilated environments, but overall sentiment is positive for its intended outdoor/commercial use.



Professional reviewers commend the Vornado Velocity CUBE 5 OSC for its innovative Velocity Tuned Heat technology that moves warm air faster and farther, and they appreciate the wide oscillation range and robust safety features, positioning it as a strong contender for whole-room heating in small to medium spaces.