SILVEL 8kW 9L Diesel Heater
#9 in All in oneFull review
A budget all-in-one heater with a big tank and automatic altitude adjustment, for garages, tents and campers that need long runtimes.
Amazon $149.99$149.99
3.0/5
A mid-priced toolbox heater for vans, cabins and camps that holds a room temperature well and handles high altitude. Expect about 3 kW of heat, not 8.
- 8 kW claimed (about 2.9 kW from its fuel burn)Heat output
- 0.12 to 0.36 L/hFuel burn
- None publishedType approval
- 1 yearWarranty
Check price at Amazon$189.99
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Wireless remote reads the room temperature where you sit
- Adjusts itself for altitude up to 18,000 ft
- Silent fuel pump, no ticking at night
- Plugs into a wall outlet or a 12V/24V battery
Cons
- Sold as 8 kW, but its fuel burn supports about 2.9 kW
- No CO sensor
- No published power draw to size a battery
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | TB2S+ |
|---|---|
| Heating | |
| Heat output (maker) | 8 kW claimed (about 2.9 kW from its fuel burn) |
| Fuel burn | 0.12 to 0.36 L/h |
| Fuel tank | 6 L |
| Build | All in one |
| Power | |
| Supply | 12V/24V/110V |
| Controls and safety | |
| Thermostat | Yes |
| Automatic altitude | Yes, to 18,000 ft |
| App | Bluetooth |
| Timer | Yes |
| Remote | Yes |
| Type approval | None published |
| Build | |
| Noise | 65 dB |
| Dimensions | 18.9 x 8.07 x 14.96 in |
| Weight | 24.8 lb |
| Warranty | 1 year |
| Released | 2025-09 |
Alternatives in this type
WIPPRO 8kW All-in-One Diesel Heater
#10 in All in oneFull review
A basic all-in-one heater with a big tank and a wall adapter, for garages and tents where an app and altitude mode are not needed.
Amazon $139.99$139.99
Curlaky 8kW Toolbox Diesel Heater
#12 in All in oneFull review
A rolling toolbox heater with app control and a CO alarm, for garages and job sites, though its 8 kW rating has no fuel figure behind it.
Amazon $199.99$199.99
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