
Mr. Heater F271390
Score: 78/100
Dr. Infrared Heater Ecoheat
Score: 72/100Rankings

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 Dr. Infrared Heater DR-908W is a compact, wall-mountable electric heater designed for small indoor spaces up to 400 square feet. It features advanced smart controls and an energy-saving ECO mode, though its limited coverage area restricts it to supplemental heating. It is best suited for users who prioritize energy efficiency and remote control convenience in bedrooms or home offices.
| Attribute | ![]() | ![]() |
|---|---|---|
3,125 sq ftbest | 400 sq ft | |
— | 1,500 wattsbest | |
11 hours | 12 hoursbest | |
2 | 3best | |
10 ftbest | — | |
| ↓ lower better | 20 lbs | 8.5 lbsbest |
125,000 BTUbest | 5,200 BTU | |
1 yearsbest | 1 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Design & Portability(2) | ||
Weight (lbs) | 20 lbs | 8.5 lbs |
Mounting Type | Portable | Wall Mount |
Performance & Heating(2) | ||
Heating Coverage Area (sq ft) | 3125 sq ft | 400 sq ft |
BTU Output (BTU) | 125000 BTU | 5200 BTU |
Controls & Features(4) | ||
Timer Duration (hours) | 11 hours | 12 hours |
Heat Settings | 2 | 3 |
Fan Mode | false | true |
Remote Control | false | true |
Safety & Compliance(1) | ||
Safety Features | High Temperature Limit Switch | Overheat protection, tip-over switch, automatic shutoff, cool-to-the-touch exterior |
Power & Electrical(2) | ||
Wattage (watts) | N/A watts | 1500 watts |
Voltage | Propane | 120 V |

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.




Independent professional reviewers and editors have not published formal assessments or third-party test results for this model.
No user reviews, testimonials, or direct customer feedback are available in the current research data.