Mr. Heater Vent-Free
Score: 85/100
Envi Wall Heater
Score: 75/100Rankings
The Mr. Heater F299830 is a vent-free radiant propane heater designed to efficiently warm spaces up to 1,000 square feet using infrared technology. It delivers direct radiant heat through multiple burner tiles and features a built-in thermostat for automatic temperature control. The unit is suitable for indoor use in rooms, workshops, and cabins without the need for external venting.
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 | Mr. Heater Vent-Free | |
|---|---|---|
1,000 sq ftbest | 150 sq ft | |
0 watts | 500 wattsbest | |
| ↓ lower better | 0 dBbest | 0 dBbest |
3best | 1 | |
0 ft | 6 ftbest | |
| ↓ lower better | 26.72 lbs | 10 lbsbest |
30,000 BTUbest | 1,706 BTU | |
1 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Mr. Heater Vent-Free | |
|---|---|---|
Design & Portability(2) | ||
Weight (lbs) | 26.72 lbs | 10.0 lbs |
Mounting Type | Freestanding/Wall-Mount | Wall |
Performance & Heating(2) | ||
Heating Coverage Area (sq ft) | 1000 sq ft | 150 sq ft |
BTU Output (BTU) | 30000 BTU | 1706 BTU |
Controls & Features(2) | ||
Thermostat Type | Built-in Adjustable | Manual |
Heat Settings | 3 | 1 |
Safety & Compliance(2) | ||
Safety Features | ODS, Electronic Ignition | Wall-Sens, Cool-to-touch |
Warranty Length (years) | 1 years | 3 years |
Power & Electrical(3) | ||
Wattage (watts) | 0 watts | 500 watts |
Cord Length (ft) | 0 ft | 6 ft |
Voltage | N/A | 120 |
Products in the top-left offer the best value (high score, low price).
There is limited information available regarding professional reviews or third-party testing data for this product. Consequently, expert consensus is not established in the provided research data.
Users generally praise the heater for its silent operation and efficient cycling capability, noting that it maintains consistent temperatures without constant maximum output. The direct radiant warmth is highlighted as a key benefit for workshops and RVs, though some users report high fuel consumption during continuous full-capacity use.
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”
