Sokaiso 8kW App Diesel Heater
#3 in All in oneFull review
A very cheap heater with thermostat, app control and a two year warranty, for tents, garages and occasional van use. Expect closer to 4.2 kW than the 8 kW on the box.
Amazon $77.69$77.69
The Sokaiso 8kW App Diesel Heater is the better diesel heater overall, rated 3.4 to 3.2. The Sokaiso 8kW App Diesel Heater costs $62.30 less ($77.69 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.
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 | Sokaiso 8kW App Diesel Heater | GEARLASSO DH002 Diesel Heater |
|---|---|---|
| Overall rating | 3.4/5 | 3.2/5 |
| Value 25% | 100 $18 per kW ($77.69, 4.2 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% | 65 holds a set temperature | 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% | 50 down to 1.4 kW | 50 down to 1.4 kW |
Specifications
| Sokaiso 8kW App Diesel Heater | GEARLASSO DH002 Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 4.2 kW from its fuel burn) | 8 kW claimed (about 3.6 kW from its fuel burn) |
| Lowest output | 1.4 kW | 1.4 kW |
| Fuel burn | 0.16 to 0.52 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 | 12V/24V/110V |
| Controls and safety | ||
| Thermostat | Yes | Yes |
| App | - | Bluetooth |
| Remote | Yes | Yes |
| CO shutoff | - | No |
| Type approval | None published | None published |
| Build | ||
| Warranty | 2 years | 2 years |