Mudiro M-5S Ultra Diesel Heater
#2 in All in oneFull review
A cheap all-in-one heater for tents, garages and vans that adds a CO shutoff and automatic altitude adjustment, though its real output is well under the 8 kW rating.
Amazon $129.99$129.99
The Mudiro M-5S Ultra Diesel Heater rates 3.4 among all in one diesel heaters; the VEVOR 8kW 12V Diesel Air Heater rates 3.0 among split ones. The VEVOR 8kW 12V Diesel Air Heater costs $46.09 less ($83.90 vs $129.99).
VEVOR 8kW 12V Diesel Air Heater
#17 in SplitFull review
A bare-bones, very cheap split heater kit for DIY installs in trucks, campers and boats at low altitude. Real output is closer to 3 kW than 8.
Amazon $83.90$83.90
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
These two sit in different type classes (all in one and split), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Mudiro M-5S Ultra Diesel Heater | VEVOR 8kW 12V Diesel Air Heater |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Value 25% | 70 $45 per kW ($129.99, 2.9 kW); 8 kW claimed, more than its fuel burn can supply | 95 $29 per kW ($83.90, 2.9 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% | 92 holds a set temperature, CO shutoff, automatic altitude, app | 45 holds a set temperature, timer; no CO sensor |
| Power draw 15% | 50 power draw not published (neutral score used) | 50 power draw not published (neutral score used) |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
| Low setting 10% | 83 down to 1 kW (from its lowest fuel burn) | 50 down to 1.4 kW (from its lowest fuel burn) |
Specifications
| Mudiro M-5S Ultra Diesel Heater | VEVOR 8kW 12V Diesel Air Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 2.9 kW from its fuel burn) | 8 kW claimed (about 2.9 kW from its fuel burn) |
| Fuel burn | 0.12 to 0.36 L/h | 0.18 to 0.36 L/h |
| Fuel tank | 5 L | 10 L |
| Build | All in one | Split (installed) |
| Power | ||
| Supply | 12V/24V/110V | 12V |
| Controls and safety | ||
| Thermostat | Yes | Yes |
| Automatic altitude | Yes, to 18,050 ft | No |
| App | Bluetooth | No |
| Timer | - | Yes |
| Remote | Yes | Yes |
| CO shutoff | Yes | No |
| Type approval | None published | None published |
| Build | ||
| Dimensions | - | 15.5 x 5.5 x 7.1 in |
| Weight | - | 15.4 lb |
| Warranty | 2 years | 1 year |