maXpeedingrods 8KW Bluetooth Heater
#1 in SplitFull review
A bargain split heater for a van, RV or workshop on a budget. Expect closer to 5 kW than the 8 kW on the box, and no stated warranty.
Amazon $95.99$95.99
The maXpeedingrods 8KW Bluetooth Heater is the better diesel heater overall, rated 3.6 to 3.2. The Hcalory UNIT 2 8kW Diesel Heater wins on controls and safety. The maXpeedingrods 8KW Bluetooth Heater costs $74 less ($95.99 vs $169.99).
Hcalory UNIT 2 8kW Diesel Heater
#12 in SplitFull review
A well-featured split heater for van and RV builds that want automatic altitude handling and a big tank; expect about 3 kW of real heat, not 8.
Amazon $169.99$169.99
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.
Which should you buy?
- Choose the Hcalory UNIT 2 8kW Diesel Heater for controls and safety (holds a set temperature, automatic altitude, app, timer vs holds a set temperature, automatic altitude, app; no CO sensor).
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 | maXpeedingrods 8KW Bluetooth Heater | Hcalory UNIT 2 8kW Diesel Heater |
|---|---|---|
| Overall rating | 3.6/5 | 3.2/5 |
| Value 25% | 100 $19 per kW ($95.99, 5 kW); 8 kW claimed, more than its fuel burn can supply | 72 $61 per kW ($169.99, 2.8 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% | 72 holds a set temperature, automatic altitude, app; no CO sensor | 90 holds a set temperature, automatic altitude, app, timer |
| 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% | 83 down to 1 kW | 83 down to 1 kW (from its lowest fuel burn) |
Specifications
| maXpeedingrods 8KW Bluetooth Heater | Hcalory UNIT 2 8kW Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 5 kW from its fuel burn) | 8 kW claimed (about 2.8 kW from its fuel burn) |
| Lowest output | 1 kW | - |
| Fuel burn | 0.16 to 0.62 L/h | 0.12 to 0.35 L/h |
| Fuel tank | 9 L | 15 L |
| Build | Split (installed) | Split (installed) |
| Power | ||
| Supply | 12V/24V | 12V/24V |
| Controls and safety | ||
| Thermostat | Yes | Yes |
| Automatic altitude | Yes, to 18,050 ft | Yes, to 16,400 ft |
| App | Bluetooth | Bluetooth |
| Timer | - | Yes |
| Remote | Yes | Yes |
| CO shutoff | No | - |
| Type approval | None published | None published |
| Build | ||
| Dimensions | 41 x 14.5 x 14.5 cm | 15.71 x 5.59 x 6.97 in |
| Weight | 13 lb | 16.8 lb |
| Warranty | - | 1 year |
| Released | - | 2026-07 |