Hcalory HBU1S 8kW Split Heater
#10 in SplitFull review
A 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 $99.99$99.99
The Hcalory HBU1S 8kW Split Heater rates 3.2 among split diesel heaters; the Hcalory TB MAX2 rates 2.9 among all in one ones. The Hcalory HBU1S 8kW Split Heater costs $200 less ($99.99 vs $299.99).
Hcalory TB MAX2
#19 in All in oneFull review
A well-equipped toolbox heater for campers and garages that want long runtimes, altitude adjustment and quiet nights. Expect about 3 kW of heat, not 8.
Amazon $309.99 Hcalory $299.99$299.99
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 | Hcalory HBU1S 8kW Split Heater | Hcalory TB MAX2 |
|---|---|---|
| Overall rating | 3.2/5 | 2.9/5 |
| Value 25% | 96 $29 per kW ($99.99, 3.5 kW); 8 kW claimed, more than its fuel burn can supply | 38 $107 per kW ($299.99, 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% | 70 holds a set temperature, app, timer; no automatic altitude | 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% | 0 1-year warranty | 0 1-year warranty |
| Low setting 10% | 67 down to 1.2 kW (from its lowest fuel burn) | 83 down to 1 kW (from its lowest fuel burn) |
Specifications
| Hcalory HBU1S 8kW Split Heater | Hcalory TB MAX2 | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 8 kW claimed (about 3.5 kW from its fuel burn) | 8 kW claimed (about 2.8 kW from its fuel burn) |
| Fuel burn | 0.15 to 0.44 L/h | 0.12 to 0.35 L/h |
| Fuel tank | 10 L | 7.9 L |
| Build | Split (installed) | All in one |
| Power | ||
| Supply | 12V/24V | 12V/24V/110V |
| Controls and safety | ||
| Thermostat | Yes | Yes |
| Automatic altitude | No | Yes, to 16,400 ft |
| App | Bluetooth | Bluetooth |
| Timer | Yes | Yes |
| Remote | Yes | Yes |
| Type approval | None published | None published |
| Build | ||
| Noise | - | 54.6 dB |
| Dimensions | - | 15.74 x 10.83 x 12.87 in |
| Weight | 20.9 lb | 28 lb |
| Warranty | 1 year | 1 year |
| Released | 2025-09 | 2026-09 |