LF Bros N3 5kW Diesel Heater
#23 in All in oneFull review
A portable heater with a thermostat and altitude compensation for high mountain camping and cabins, at a high price for what LF Bros publishes about it.
Amazon $499.99$499.99
The LF Bros N3 5kW Diesel Heater and the VEVOR ZM2003 2kW All-in-One Heater are evenly matched, rated 2.8 and 2.8. The LF Bros N3 5kW Diesel Heater leads on controls and safety. The VEVOR ZM2003 2kW All-in-One Heater costs $378.09 less ($121.90 vs $499.99).
VEVOR ZM2003 2kW All-in-One Heater
#29 in All in oneFull review
A small, cheap portable heater for a car, tent or small camper, with a CO shutoff that most budget heaters lack.
Amazon $121.90$121.90
Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the LF Bros N3 5kW Diesel Heater for controls and safety (holds a set temperature, automatic altitude, timer vs CO shutoff, app; no automatic altitude).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every all in one diesel heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | LF Bros N3 5kW Diesel Heater | VEVOR ZM2003 2kW All-in-One Heater |
|---|---|---|
| Overall rating | 2.8/5 | 2.8/5 |
| Value 25% | 50 no credible heat rating (neutral score used) | 59 $61 per kW ($121.90, 2 kW) |
| Type approval 20% | 0 no type approval published | 0 no type approval published |
| Controls and safety 15% | 82 holds a set temperature, automatic altitude, timer | 57 CO shutoff, app; no automatic altitude |
| Power draw 15% | 50 power draw not published (neutral score used) | 50 power draw not published (neutral score used) |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
| Low setting 10% | 50 lowest setting not published (neutral score used) | 50 down to 1.4 kW (from its lowest fuel burn) |
Specifications
| LF Bros N3 5kW Diesel Heater | VEVOR ZM2003 2kW All-in-One Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 5 kW | 2 kW |
| Fuel burn | - | 0.18 to 0.35 L/h |
| Fuel tank | - | 2 L |
| Build | All in one | All in one |
| Power | ||
| Supply | 12V/110V | 12V/24V/110V |
| Controls and safety | ||
| Thermostat | Yes | - |
| Automatic altitude | Yes, to 17,160 ft | No |
| App | - | Bluetooth |
| Timer | Yes | - |
| Remote | - | Yes |
| CO shutoff | - | Yes |
| Type approval | None published | None published |
| Build | ||
| Noise | - | 75 dB |
| Dimensions | 16.1 x 15.7 x 14.6 in | - |
| Weight | 25.4 lb | 15.7 lb |
| Warranty | 1 year | 1 year |
| Released | - | 2026-08 |