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
The TJHSM 5kW Diesel Heater rates 2.9 among split diesel heaters; the LF Bros N4 5kW Diesel Heater rates 2.8 among all in one ones. The TJHSM 5kW Diesel Heater costs $146.71 less ($83.28 vs $229.99).
LF Bros N4 5kW Diesel Heater
#24 in All in oneFull review
A compact portable heater for small garages, tents and vans that need mains or battery power and a timer.
Amazon $229.99$229.99
Prices 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
These two sit in different type classes (split and all in one), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | TJHSM 5kW Diesel Heater | LF Bros N4 5kW Diesel Heater |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Value 25% | 50 no credible heat rating (neutral score used) | 69 $46 per kW ($229.99, 5 kW) |
| Type approval 20% | 0 no type approval published | 0 no type approval published |
| Controls and safety 15% | 57 timer | 50 timer; no app |
| Power draw 15% | 50 power draw not published (neutral score used) | 50 power draw not published (neutral score used) |
| Warranty 15% | 50 warranty not published (neutral score used) | 0 1-year warranty |
| Low setting 10% | 50 lowest setting not published (neutral score used) | 50 down to 1.4 kW |
Specifications
| TJHSM 5kW Diesel Heater | LF Bros N4 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 |
| Build | Split (installed) | All in one |
| Power | ||
| Supply | 12V | 12V/24V/110V |
| Controls and safety | ||
| App | - | No |
| Timer | Yes | Yes |
| Remote | Yes | Yes |
| Type approval | None published | None published |
| Build | ||
| Dimensions | - | 13.6 x 6 x 15 in |
| Weight | - | 16 lb |
| Warranty | - | 1 year |