LF Bros N4 5kW Diesel Heater
#24 in All in oneFull review
A compact portable heater for small garages, tents and vans that need mains or battery power and a timer.
Amazon $229.99$229.99
The LF Bros N4 5kW Diesel Heater and the ICECOSMOS VH08 Pro Diesel Heater are evenly matched, rated 2.8 and 2.8. The ICECOSMOS VH08 Pro Diesel Heater wins on controls and safety. The LF Bros N4 5kW Diesel Heater costs $19.01 less ($229.99 vs $249).
ICECOSMOS VH08 Pro Diesel Heater
#28 in All in oneFull review
A pricier all-in-one heater with Bluetooth control and an insulated case, for tents and boats, but with no fuel figures to check its 5 kW rating.
Amazon $249$249
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 ICECOSMOS VH08 Pro Diesel Heater for controls and safety (holds a set temperature, automatic altitude, app; no CO sensor vs timer; no app).
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 N4 5kW Diesel Heater | ICECOSMOS VH08 Pro Diesel Heater |
|---|---|---|
| Overall rating | 2.8/5 | 2.8/5 |
| Value 25% | 69 $46 per kW ($229.99, 5 kW) | 50 no credible heat rating (neutral score used) |
| Type approval 20% | 0 no type approval published | 0 no type approval published |
| Controls and safety 15% | 50 timer; no app | 72 holds a set temperature, automatic altitude, app; no CO sensor |
| 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 down to 1.4 kW | 50 lowest setting not published (neutral score used) |
Specifications
| LF Bros N4 5kW Diesel Heater | ICECOSMOS VH08 Pro Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 5 kW | 5 kW |
| Lowest output | 1.4 kW | - |
| Fuel burn | 0.18 to 0.53 L/h | - |
| Build | All in one | All in one |
| Power | ||
| Supply | 12V/24V/110V | 12V/24V |
| Controls and safety | ||
| Thermostat | - | Yes |
| Automatic altitude | - | Yes, to 10,000 ft |
| App | No | Bluetooth |
| Timer | Yes | - |
| Remote | Yes | Yes |
| CO shutoff | - | No |
| Type approval | None published | None published |
| Build | ||
| Noise | - | 39 dB |
| Dimensions | 13.6 x 6 x 15 in | 15 x 11.02 x 12.6 in |
| Weight | 16 lb | 19 lb |
| Warranty | 1 year | 1 year |