The VEVOR XMZ-D2 8kW Bluetooth Heater and the Hcalory HBU1S 8kW Split Heater are evenly matched, rated 3.2 and 3.2. The VEVOR XMZ-D2 8kW Bluetooth Heater leads on controls and safety. The Hcalory HBU1S 8kW Split Heater costs $1.56 less ($99.99 vs $101.55).
A cheap split kit with Bluetooth control and automatic altitude adjustment, for DIY installs in vans and campers that travel high. Real output is far below 8 kW.
Amazon $119.90 VEVOR $101.55A bargain split heater kit for a van, truck or camper install, with app control and a thermostat. Expect about 3.5 kW of heat, not 8.
Amazon $99.99Prices 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.
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 | VEVOR XMZ-D2 8kW Bluetooth Heater | Hcalory HBU1S 8kW Split Heater |
|---|---|---|
| Overall rating | 3.2/5 | 3.2/5 |
| Value 25% | 100 $20 per kW ($101.55, 5 kW); 8 kW claimed, more than its fuel burn can supply | 96 $29 per kW ($99.99, 3.5 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% | 80 holds a set temperature, automatic altitude, app, timer; no CO sensor | 70 holds a set temperature, app, timer; no automatic altitude |
| Power draw 15% | 44 up to 40 W running | 50 power draw not published (neutral score used) |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
| Low setting 10% | 58 down to 1.3 kW (from its lowest fuel burn) | 67 down to 1.2 kW (from its lowest fuel burn) |
| VEVOR XMZ-D2 8kW Bluetooth Heater | Hcalory HBU1S 8kW Split Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 5 kW from its fuel burn) | 8 kW claimed (about 3.5 kW from its fuel burn) |
| Fuel burn | 0.16 to 0.62 L/h | 0.15 to 0.44 L/h |
| Fuel tank | 10 L | 10 L |
| Build | Split (installed) | Split (installed) |
| Power | ||
| Supply | 12V | 12V/24V |
| Running draw | 40 W | - |
| Controls and safety | ||
| Thermostat | Yes | Yes |
| Automatic altitude | Yes, to 18,045 ft | No |
| App | Bluetooth | Bluetooth |
| Timer | Yes | Yes |
| Remote | Yes | Yes |
| CO shutoff | No | - |
| Type approval | None published | None published |
| Build | ||
| Dimensions | 14.8 x 5.5 x 6.9 in | - |
| Weight | 13.6 lb | 20.9 lb |
| Warranty | 1 year | 1 year |
| Released | - | 2025-09 |
