
Mr. Heater F271390
Score: 78/100
Dreo Smart Wall Heater
Score: 85/100Rankings

The Dreo Smart Wall Heater is a 1500W PTC ceramic electric space heater designed for wall mounting in bedrooms or offices, featuring 120-degree vertical oscillation and comprehensive smart home integration. Its main trade-off is the requirement for precise wall installation and dependency on app setup for full functionality. It is best suited for users in small-to-medium rooms who want a space-saving, smart-enabled heating solution.

The Mr. Heater F271390 is a high-output portable propane heater designed for large, well-ventilated areas like construction sites and garages. It offers exceptional heating power and quieter operation than standard propane units. It is best suited for professionals and DIY enthusiasts who need reliable heat where electricity is unavailable.
| Attribute | ![]() | ![]() |
|---|---|---|
3,125 sq ftbest | 150 sq ft | |
— | 1,500 wattsbest | |
11 hours | 24 hoursbest | |
2 | 3best | |
10 ftbest | 5.9 ft | |
| ↓ lower better | 20 lbs | 9.15 lbsbest |
125,000 BTUbest | 5,100 BTU | |
1 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Design & Portability(2) | ||
Weight (lbs) | 20 lbs | 9.15 lbs |
Mounting Type | Portable | Wall-Mounted |
Performance & Heating(3) | ||
Heating Coverage Area (sq ft) | 3125 sq ft | 150 sq ft |
Noise Level (dB) | unknown dB | null dB |
BTU Output (BTU) | 125000 BTU | 5100 BTU |
Controls & Features(5) | ||
Timer Duration (hours) | 11 hours | 24 hours |
Oscillation | false | true |
Heat Settings | 2 | 3 |
Fan Mode | false | true |
Remote Control | false | true |
Safety & Compliance(2) | ||
Safety Features | High Temperature Limit Switch | Overheat, ALCI Plug |
Warranty Length (years) | 1 years | null years |
Power & Electrical(3) | ||
Wattage (watts) | N/A watts | 1500 watts |
Cord Length (ft) | 10 ft | 5.9 ft |
Voltage | Propane | 120V |

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.




Professional reviewers praise the Dreo Smart Wall-Mounted Heater for its efficient, widespread heating that outperforms standard wall heaters. Experts highlight the 120-degree vertical oscillation for distributing warmth evenly and the fast PTC ceramic response.
Everyday users commonly praise the heater for quick room warming, quiet operation, and the convenience of app and remote controls. Many appreciate the oscillation feature for providing even heat and the energy savings achieved through ECO mode.