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 ICECOSMOS VH08 Pro Diesel Heater rates 2.8 among all in one ones. The TJHSM 5kW Diesel Heater costs $165.72 less ($83.28 vs $249).
ICECOSMOS VH08 Pro Diesel Heater
#28 in All in oneFull review
A pricier all-in-one heater with Bluetooth control and an insulated case, for tents and boats, but with no fuel figures to check its 5 kW rating.
Amazon $249$249
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 | ICECOSMOS VH08 Pro Diesel Heater |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Value 25% | 50 no credible heat rating (neutral score used) | 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% | 57 timer | 72 holds a set temperature, automatic altitude, app; no CO sensor |
| 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 lowest setting not published (neutral score used) |
Specifications
| TJHSM 5kW Diesel Heater | ICECOSMOS VH08 Pro Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 5 kW | 5 kW |
| Build | Split (installed) | All in one |
| Power | ||
| Supply | 12V | 12V/24V |
| Controls and safety | ||
| Thermostat | - | Yes |
| Automatic altitude | - | Yes, to 10,000 ft |
| App | - | Bluetooth |
| Timer | Yes | - |
| Remote | Yes | Yes |
| CO shutoff | - | No |
| Type approval | None published | None published |
| Build | ||
| Noise | - | 39 dB |
| Dimensions | - | 15 x 11.02 x 12.6 in |
| Weight | - | 19 lb |
| Warranty | - | 1 year |