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 is the better diesel heater overall, rated 3.2 to 2.9. The VEVOR XMZ-L-D3 8kW All-in-One Heater costs $44.90 less ($101 vs $145.90).
VEVOR XMZ-TB20 8kW All-in-One Heater
#16 in All in oneFull review
A portable all-in-one heater with a CO shutoff and Bluetooth control, for garages, workshops and camping. Expect well under half its 8 kW rating.
Amazon $145.90$145.90
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.
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 | VEVOR XMZ-TB20 8kW All-in-One Heater |
|---|---|---|
| Overall rating | 3.2/5 | 2.9/5 |
| Value 25% | 100 $20 per kW ($101, 5 kW); 8 kW claimed, more than its fuel burn can supply | 70 $46 per kW ($145.90, 3.2 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 | 72 holds a set temperature, CO shutoff, app; no automatic altitude |
| Power draw 15% | 44 up to 40 W running | 50 power draw not published (neutral score used) |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
| Low setting 10% | 58 down to 1.3 kW (from its lowest fuel burn) | 50 down to 1.4 kW (from its lowest fuel burn) |
Specifications
| VEVOR XMZ-L-D3 8kW All-in-One Heater | VEVOR XMZ-TB20 8kW All-in-One Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 5 kW from its fuel burn) | 8 kW claimed (about 3.2 kW from its fuel burn) |
| Fuel burn | 0.16 to 0.62 L/h | 0.18 to 0.4 L/h |
| Fuel tank | 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 | No |
| App | Bluetooth | Bluetooth |
| Timer | Yes | - |
| Remote | Yes | Yes |
| CO shutoff | No | Yes |
| Type approval | None published | None published |
| Build | ||
| Noise | - | 75 dB |
| Dimensions | 15 x 5.9 x 16.1 in | 15.94 x 10.83 x 11.61 in |
| Weight | 20.6 lb | 19.8 lb |
| Warranty | 1 year | 1 year |
| Released | - | 2026-01 |