A well-equipped toolbox heater for campers and garages that want long runtimes, altitude adjustment and quiet nights. Expect about 3 kW of heat, not 8.
Amazon $309.99 Hcalory $299.99
A small portable heater for a car, truck cab or tent where 8 kW clones are far too much. Its fuel figures back up its 2 kW rating.
- 2 kWHeat output
- 0.1 to 0.26 L/hFuel burn
- None publishedType approval
- 1 yearWarranty
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
- Small 2 kW output suits a car, small van cab or tent without overheating it
- Sips fuel, so a 5 L tank lasts a couple of nights
- Runs off a car battery or a wall outlet with the included adapter
- No heating type approval
- No CO shutoff, so add a separate CO alarm
- No altitude adjustment is mentioned
- Sunster publishes no power draw figures
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 | TR B1 (TRB1LSUS) |
|---|---|
| Heating | |
| Heat output (maker) | 2 kW |
| Lowest output | 1 kW |
| Fuel burn | 0.1 to 0.26 L/h |
| Fuel tank | 5 L |
| Build | All in one |
| Power | |
| Supply | 12V/24V/110V/240V |
| Controls and safety | |
| App | Bluetooth |
| Timer | Yes |
| Remote | Yes |
| CO shutoff | No |
| Type approval | None published |
| Build | |
| Noise | 35 dB |
| Weight | 15.7 lb |
| Warranty | 1 year |
| Released | 2026-08 |
Alternatives in this type
A portable toolbox heater for tents, garages and vans that wants WiFi control and a CO shutoff. Treat it as about a 4 kW heater, not 8 kW.
Amazon $189.99A basic all-in-one heater with a remote and wall power, but its listing leaves out too many details to recommend over better documented rivals.
Amazon $168.89Compare
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