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 is the better diesel heater overall, rated 3.4 to 3.2. The Mudiro M-5S Ultra Diesel Heater leads on controls and safety. The Mudiro M-5S Ultra Diesel Heater costs $10 less ($129.99 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 Mudiro M-5S Ultra Diesel Heater for controls and safety (holds a set temperature, CO shutoff, automatic altitude, app vs holds a set temperature, app; no CO sensor).
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 | Mudiro M-5S Ultra Diesel Heater | GEARLASSO DH002 Diesel Heater |
|---|---|---|
| Overall rating | 3.4/5 | 3.2/5 |
| Value 25% | 70 $45 per kW ($129.99, 2.9 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% | 92 holds a set temperature, CO shutoff, automatic altitude, app | 62 holds a set temperature, 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% | 50 2-year warranty | 50 2-year warranty |
| Low setting 10% | 83 down to 1 kW (from its lowest fuel burn) | 50 down to 1.4 kW |
Specifications
| Mudiro M-5S Ultra Diesel Heater | GEARLASSO DH002 Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 2.9 kW from its fuel burn) | 8 kW claimed (about 3.6 kW from its fuel burn) |
| Lowest output | - | 1.4 kW |
| Fuel burn | 0.12 to 0.36 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/24V/110V | 12V/24V/110V |
| Controls and safety | ||
| Thermostat | Yes | Yes |
| Automatic altitude | Yes, to 18,050 ft | - |
| App | Bluetooth | Bluetooth |
| Remote | Yes | Yes |
| CO shutoff | Yes | No |
| Type approval | None published | None published |
| Build | ||
| Warranty | 2 years | 2 years |