Mr. Heater F271390
Score: 78/100
Envi Wall Heater
Score: 75/100Rankings
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.
The Envi Plug-in Electric Panel Wall Heater is a 500-watt convection heater designed for silent, energy-efficient zone heating in small indoor spaces up to 150 square feet. Its main trade-off is uneven heat distribution due to the lack of a fan. It is best suited for users prioritizing silence, safety for children and pets, and energy savings in mild winters.
| Attribute | | |
|---|---|---|
3,125 sq ftbest | 150 sq ft | |
— | 500 wattsbest | |
| ↓ lower better | — | 0 dBbest |
11 hoursbest | — | |
2best | 1 | |
10 ftbest | 6 ft | |
| ↓ lower better | 20 lbs | 10 lbsbest |
125,000 BTUbest | 1,706 BTU |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Design & Portability(2) | ||
Weight (lbs) | 20 lbs | 10.0 lbs |
Mounting Type | Portable | Wall |
Performance & Heating(3) | ||
Heating Coverage Area (sq ft) | 3125 sq ft | 150 sq ft |
Noise Level (dB) | unknown dB | 0 dB |
BTU Output (BTU) | 125000 BTU | 1706 BTU |
Controls & Features(1) | ||
Heat Settings | 2 | 1 |
Safety & Compliance(2) | ||
Safety Features | High Temperature Limit Switch | Wall-Sens, Cool-to-touch |
Warranty Length (years) | 1 years | 3 years |
Power & Electrical(3) | ||
Wattage (watts) | N/A watts | 500 watts |
Cord Length (ft) | 10 ft | 6 ft |
Voltage | Propane | 120 |
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 efficiency, simplicity, and safety features, noting it produces a lot of heat for its small size. However, experts warn that the lack of a fan results in uneven heat distribution.
Everyday users commonly praise the heater for its quiet operation, safety features, and ease of use. Common complaints focus on slow and uneven heating, with heat pooling at the ceiling.
“super easy install”
“excellent for energy efficiency”
