TJHSM 5kW Diesel Heater
#23 in SplitFull review
A low cost 5 kW split kit for DIY truck and RV installs, sold with almost no published specs or warranty.
Amazon $83.28$83.28
2.9/5
A basic 5 kW split kit for truck, RV and boat installs, with a timer but no thermostat.
- 5 kWHeat output
- 0.18 to 0.53 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
- Its fuel burn backs up the 5 kW rating
- 24-hour timer to warm the cab before you get in
- Large 10 L tank in the kit
Cons
- No thermostat, so you set the power level by hand
- No published power draw or noise figures
- Only a one-year warranty
The LF Bros T3 split family
Every LF Bros T3 split model we rank, smallest first. Ratings compare each against its own type.
| Model | Heat output | Rating | Price |
|---|---|---|---|
| LF Bros Split 2kW T3 Diesel Heater | 2 kW | 2.8/5 | $189.99 |
| LF Bros Split T3 5kW Diesel Heater (this one) | 5 kW | 2.9/5 | $189.99 |
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 | Split T3 |
|---|---|
| Heating | |
| Heat output (maker) | 5 kW |
| Lowest output | 1.4 kW |
| Fuel burn | 0.18 to 0.53 L/h |
| Fuel tank | 10 L |
| Build | Split (installed) |
| Power | |
| Supply | 12V |
| Controls and safety | |
| Thermostat | No |
| Timer | Yes |
| Type approval | None published |
| Build | |
| Dimensions | 14.9 x 5.6 x 5.9 in |
| Warranty | 1 year |
Alternatives in this type
VOYOCHT VYH-F3 8kW Diesel Heater
#24 in SplitFull review
An aluminum cased split kit with a big tank and remote for truckers and RVers who want a sturdier clone. Its real output matches the cheaper 5 kW model.
Amazon $180.49$180.49
PRIJESSE PR-5 5kW Diesel Heater
#26 in SplitFull review
A budget 5 kW split kit with tank and remote for cars, vans and small shops, with few published specs to back it up.
Amazon $80.99$80.99
Compare
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