A basic 5 kW split kit for truck, RV and boat installs, with a timer but no thermostat.
Amazon $189.99The LF Bros Split T3 5kW Diesel Heater and the PRIJESSE PR-5 5kW Diesel Heater are evenly matched, rated 2.9 and 2.9. The PRIJESSE PR-5 5kW Diesel Heater costs $109 less ($80.99 vs $189.99).
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 $80.99Prices 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 split diesel heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | LF Bros Split T3 5kW Diesel Heater | PRIJESSE PR-5 5kW Diesel Heater |
|---|---|---|
| Overall rating | 2.9/5 | 2.9/5 |
| Value 25% | 87 $38 per kW ($189.99, 5 kW) | 50 no credible heat rating (neutral score used) |
| Type approval 20% | 0 no type approval published | 0 no type approval published |
| Controls and safety 15% | 43 timer; fixed levels only | 50 controls not stated (neutral score used) |
| Power draw 15% | 50 power draw not published (neutral score used) | 50 power draw not published (neutral score used) |
| Warranty 15% | 0 1-year warranty | 50 warranty not published (neutral score used) |
| Low setting 10% | 50 down to 1.4 kW | 50 lowest setting not published (neutral score used) |
Specifications
| LF Bros Split T3 5kW Diesel Heater | PRIJESSE PR-5 5kW Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 5 kW | 5 kW |
| Lowest output | 1.4 kW | - |
| Fuel burn | 0.18 to 0.53 L/h | - |
| Fuel tank | 10 L | 10 L |
| Build | Split (installed) | Split (installed) |
| Power | ||
| Supply | 12V | 12V |
| Controls and safety | ||
| Thermostat | No | - |
| Timer | Yes | - |
| Remote | - | Yes |
| Type approval | None published | None published |
| Build | ||
| Dimensions | 14.9 x 5.6 x 5.9 in | 15.3 x 5.7 x 5.7 in |
| Warranty | 1 year | - |
