Mudiro M-5S Ultra Diesel Heater
#2 in All in oneFull review
A cheap all-in-one heater for tents, garages and vans that adds a CO shutoff and automatic altitude adjustment, though its real output is well under the 8 kW rating.
Amazon $129.99$129.99
The Mudiro M-5S Ultra Diesel Heater rates 3.4 among all in one diesel heaters; the WAYSKA WKH-B3 8kW Diesel Heater rates 3.1 among split ones. The Mudiro M-5S Ultra Diesel Heater costs $60 less ($129.99 vs $189.99).
WAYSKA WKH-B3 8kW Diesel Heater
#15 in SplitFull review
A complete split kit with a big tank and remote for trucks, trailers and boats, but it is a generic clone priced well above others like it.
Amazon $189.99$189.99
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 (all in one and split), 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 | Mudiro M-5S Ultra Diesel Heater | WAYSKA WKH-B3 8kW Diesel Heater |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 25% | 70 $45 per kW ($129.99, 2.9 kW); 8 kW claimed, more than its fuel burn can supply | 80 $47 per kW ($189.99, 4 kW); 8 kW claimed, more than its fuel burn can supply |
| Type approval 20% | 0 no type approval published | 0 no type approval published |
| Controls and safety 15% | 92 holds a set temperature, CO shutoff, automatic altitude, app | 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% | 50 2-year warranty | 50 warranty not published (neutral score used) |
| Low setting 10% | 83 down to 1 kW (from its lowest fuel burn) | 33 down to 1.6 kW (from its lowest fuel burn) |
Specifications
| Mudiro M-5S Ultra Diesel Heater | WAYSKA WKH-B3 8kW Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 2.9 kW from its fuel burn) | 8 kW claimed (about 4 kW from its fuel burn) |
| Fuel burn | 0.12 to 0.36 L/h | 0.2 to 0.5 L/h |
| Fuel tank | 5 L | 15 L |
| Build | All in one | Split (installed) |
| Power | ||
| Supply | 12V/24V/110V | 12V |
| Controls and safety | ||
| Thermostat | Yes | - |
| Automatic altitude | Yes, to 18,050 ft | - |
| App | Bluetooth | - |
| Remote | Yes | Yes |
| CO shutoff | Yes | - |
| Type approval | None published | None published |
| Build | ||
| Warranty | 2 years | - |