LF Bros N3 5kW Diesel Heater
#23 in All in oneFull review
A portable heater with a thermostat and altitude compensation for high mountain camping and cabins, at a high price for what LF Bros publishes about it.
Amazon $499.99$499.99
2.8/5
A portable heater with app control and tidy storage for garages, trucks and camps. Expect about 3 kW of heat, not 8.
- 8 kW claimed (about 3.2 kW from its fuel burn)Heat output
- 0.16 to 0.4 L/hFuel burn
- None publishedType approval
- 1 yearWarranty
Check price at Amazon$195.90
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Bluetooth app with timers and a target temperature
- Runs from a wall outlet or a 12V/24V battery
- Drawer in the case holds the ducts, exhaust and adapter
- CO alarm warns of a blocked exhaust
Cons
- Sold as 8 kW, but its fuel burn supports about 3.2 kW
- CO alarm only beeps, it does not shut the heater off
- Not rated above about 9,800 ft
- 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 | XMZ-TB20 Pro |
|---|---|
| Heating | |
| Heat output (maker) | 8 kW claimed (about 3.2 kW from its fuel burn) |
| Fuel burn | 0.16 to 0.4 L/h |
| Fuel tank | 4.9 L |
| Build | All in one |
| Power | |
| Supply | 12V/24V/110V |
| Controls and safety | |
| Thermostat | Yes |
| Automatic altitude | No |
| App | Bluetooth |
| Timer | Yes |
| Remote | Yes |
| CO shutoff | No |
| Type approval | None published |
| Build | |
| Noise | 75 dB |
| Dimensions | 16.7 x 12.6 x 12.2 in |
| Weight | 23.4 lb |
| Warranty | 1 year |
| Released | 2026-08 |
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LF Bros N4 5kW Diesel Heater
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BougeRV 2026 Portable Diesel Heater
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