VEVOR XMZ-L-D3 8kW All-in-One Heater
#4 in All in oneFull review
A cheap upright all-in-one heater with an app, timer and automatic altitude adjustment, for tents, garages and high-country camping. Expect well under its 8 kW rating.
Amazon $101$101
The VEVOR XMZ-L-D3 8kW All-in-One Heater and the GEARLASSO DH002 Diesel Heater are evenly matched, rated 3.2 and 3.2. The VEVOR XMZ-L-D3 8kW All-in-One Heater leads on controls and safety. The GEARLASSO DH002 Diesel Heater wins on warranty. The VEVOR XMZ-L-D3 8kW All-in-One Heater costs $38.99 less ($101 vs $139.99).
GEARLASSO DH002 Diesel Heater
#5 in All in oneFull review
A cheap all-in-one heater with app control and a two year warranty, for tents and small vans, with real output closer to 3.6 kW.
Amazon $139.99$139.99
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 VEVOR XMZ-L-D3 8kW All-in-One Heater for controls and safety (holds a set temperature, automatic altitude, app, timer; no CO sensor vs holds a set temperature, app; no CO sensor).
- Choose the GEARLASSO DH002 Diesel Heater for warranty (2-year warranty vs 1-year warranty).
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 | VEVOR XMZ-L-D3 8kW All-in-One Heater | GEARLASSO DH002 Diesel Heater |
|---|---|---|
| Overall rating | 3.2/5 | 3.2/5 |
| Value 25% | 100 $20 per kW ($101, 5 kW); 8 kW claimed, more than its fuel burn can supply | 75 $39 per kW ($139.99, 3.6 kW); 8 kW claimed, more than its fuel burn can supply |
| Type approval 20% | 0 no type approval published | 0 no type approval published |
| Controls and safety 15% | 80 holds a set temperature, automatic altitude, app, timer; no CO sensor | 62 holds a set temperature, app; no CO sensor |
| Power draw 15% | 44 up to 40 W running | 50 power draw not published (neutral score used) |
| Warranty 15% | 0 1-year warranty | 50 2-year warranty |
| Low setting 10% | 58 down to 1.3 kW (from its lowest fuel burn) | 50 down to 1.4 kW |
Specifications
| VEVOR XMZ-L-D3 8kW All-in-One Heater | GEARLASSO DH002 Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 5 kW from its fuel burn) | 8 kW claimed (about 3.6 kW from its fuel burn) |
| Lowest output | - | 1.4 kW |
| Fuel burn | 0.16 to 0.62 L/h | 0.15 to 0.45 L/h |
| Fuel tank | 5 L | 5 L |
| Build | All in one | All in one |
| Power | ||
| Supply | 12V | 12V/24V/110V |
| Running draw | 40 W | - |
| Controls and safety | ||
| Thermostat | Yes | Yes |
| Automatic altitude | Yes, to 18,045 ft | - |
| App | Bluetooth | Bluetooth |
| Timer | Yes | - |
| Remote | Yes | Yes |
| CO shutoff | No | No |
| Type approval | None published | None published |
| Build | ||
| Dimensions | 15 x 5.9 x 16.1 in | - |
| Weight | 20.6 lb | - |
| Warranty | 1 year | 2 years |