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HCALORY HBH-3
Hcalory 8KW Diesel Heater All in One 5L Diesel Air Heater 110/12/24V Black | HBH-3 Car Heater with App Control, Automatic Start and Stop, Multiple Timed Settings, Altitude Mode for RV Garage
In Stock
Long runtime is the focus of this 8 kW portable heater: its 5.0 L tank lasts up to 42 hours at 0.11–0.35 L/h, more than most units with the same tank size. It adds Bluetooth app control, a remote, auto start/stop, 10 heat levels and a 5-setting altitude mode to 16400 ft, with operation down to -40 ℃. At 10.30 kg it is mid-weight, suiting overnight van and RV use where refills are inconvenient.
- Price
- $129.99
- Brand
- HCALORY
Prices from Amazon as of . Product prices and availability are accurate as of the date and time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of the product. As an Amazon Associate I earn from qualifying purchases.
Ranking within Category
Comparing this product to others on Nomad Gear Finder (in the diesel heaters category with a value specified):
- This product's Fuel consumption min is lower than 81% of 33 others: 0.11 L/h
- This product's Fuel consumption max is lower than 85% of 34 others: 0.090 gal/h (0.35 L/h)
- This product's Max runtime per tank is higher than 76% of 17 others: 42 hours
- This product's Weight is higher than 71% of 21 others: 22.70 lbs (10.30 kg)
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
- Model
- HBH-3
- Manufacturer page
- Link
Core specs
- Heater type
- All-in-one portable
- Max heat output
- 8.0 kW
- Max heat output (BTU/h)
- 27,297 BTU/h
- Heating area
- 25 m²
- Heating area
- 269 sq ft
Fuel
- Fuel tank capacity
- 5.0 L
- Fuel tank capacity
- 1.3 gal
- Fuel consumption min
- 0.11 L/h
- Fuel consumption max
- 0.35 L/h
- Fuel consumption max
- 0.090 gal/h
- Max runtime per tank
- 42 hours
Controls
- Heat levels
- 10 levels
- Auto start/stop
- Yes
- Thermostat mode
- Yes
- Timer
- Yes
- Remote control included
- Yes
- App connectivity
- Bluetooth
Power
- DC input voltage
- 12V/24V
- AC adapter included
- Yes
Physical Attributes
- Weight
- 22.70 lbs
- Weight
- 10.30 kg
- Length
- 16.14 in.
- Length
- 410 mm
- Width
- 10.04 in.
- Width
- 255 mm
- Depth/Height
- 11.81 in.
- Depth/Height
- 300 mm
Altitude
- Max operating altitude
- 16,400 ft
- Max operating altitude (m)
- 5,000 m
- Altitude adjustment
- Multi-level, 5 settings
Operating Temp Range
- Operating temp min
- -40 ℃
- Operating temp min
- -40 ℉
Features
Details from the HCALORY HBH-3 Amazon listing:
- 【3-Minute Rapid Heating 】Powered by an 8KW heating core and an upgraded aluminum exchanger that boosts efficiency by 18%, this diesel heater delivers warm air at 122°F within 3 minutes and reaches 212°F at 5 minutes, effectively heating spaces up to 269 sq. ft. Its intelligent pre‑heat cycle – a 1‑minute glow‑plug warm‑up plus 30 seconds of flame stabilization – ensures reliable startup even at ‑40°F. With low fuel consumption and durable build, it’s ideal for RVs, vans, garages, and workshops where quick, dependable warmth is essential.
- 【Upgraded Combustion Chamber for Maximum Fuel Efficiency 】The redesigned combustion chamber optimizes fuel burn, significantly reducing waste and extending runtime to a remarkable 41.6 hours of continuous use on a full 5L tank. Whether you're parked overnight or working through the weekend, this heater keeps you warm longer while saving on fuel costs.
- 【10 Adjustable Heating Levels for Personalized Comfort 】Choose from 10 precise power settings to fine-tune heat output based on your space and preference. From a gentle warmth on chilly mornings to full-power heating during freezing nights, you have complete control to create the perfect environment with just a few taps.
- 【Smart Auto Start/Stop】 Set your ideal temperature through the APP, and the intelligent thermostat will automatically activate and deactivate the heater within a ≈±3.6°F range of your setting. The heater kicks in when the temperature drops 3.6°F below your target and shuts off when it rises 3.6°F above — maintaining steady, comfortable warmth through the night while minimizing fuel consumption.
- 【Multi-Level Altitude Mode for Reliable High-Altitude Performance】 Equipped with multiple altitude settings, this heater ensures stable ignition from 3,280 ft to 16,400 ft . The automatic air-fuel ratio adjustment adapts to changing oxygen levels, so you can count on consistent, dependable heat whether you're in the mountains, plateaus, or remote off-grid locations.
Similar products from other brands
Chosen for their similar specs and price:
 This productHCALORY HBH-3 |
 VEVOR XMZ-L-D3 |
 TURBRO H8BP |
 LF Bros N2 |
|
|---|---|---|---|---|
| Price | $129.99 | $101.00 | $129.99 | $249.99 |
| Model | HBH-3 | XMZ-L-D3 | H8BP | N2 |
| Popular brand | – | – | No | No |
| Heater type | All-in-one portable | All-in-one | All-in-one portable | All-in-one |
| Max heat output (kW) | 8.0 | 8.0 | 8.0 | 5.0 |
| Min heat output (kW) | – | – | 2.0 | 1.4 |
| Max heat output (BTU/h) (BTU/h) | 27,297 | 27,297 | 27,300 | 17,000 |
| Heating area (m²) | 25 | 25 | – | – |
| Heating area (sq ft) | 269 | 269 | – | – |
| Fuel tank capacity (L) | 5.0 | 5.0 | 5.0 | 5.0 |
| Fuel tank capacity (gal) | 1.3 | 1.3 | 1.3 | 1.3 |
| Fuel consumption min (L/h) | 0.11 | 0.16 | 0.16 | 0.18 |
| Fuel consumption max (L/h) | 0.35 | 0.62 | 0.40 | 0.53 |
| Fuel consumption max (gal/h) | 0.090 | 0.164 | 0.106 | 0.140 |
| Max runtime per tank (hours) | 42 | 8 | 31 | – |
| Heat levels (levels) | 10 | 10 | 10 | – |
| Auto start/stop | Yes | – | Yes | – |
| Thermostat mode | Yes | Yes | Yes | – |
| Thermostat min (℉) | – | 46 | 46 | – |
| Thermostat max (℉) | – | 97 | 97 | – |
| Thermostat min (℃) | – | 8 | 8 | – |
| Thermostat max (℃) | – | 36 | 36 | – |
| Timer | Yes | Yes | Yes | – |
| Remote control included | Yes | Yes | Yes | Yes |
| Remote range (ft) | – | 98 | 164 | 100 |
| App connectivity | Bluetooth | Bluetooth | Bluetooth | – |
| DC input voltage | 12V/24V | 12V | 12V/24V | 12V/24V |
| AC adapter included | Yes | – | Yes | Yes |
| Startup power draw (W) | – | – | 130 | – |
| Running power draw (W) | – | 40 | 54 | – |
| Air duct diameter (mm) | – | 77 | – | – |
| Weight (lbs) | 22.70 | 20.60 | – | 26.01 |
| Weight (kg) | 10.30 | 9.35 | – | 11.80 |
| Length (in.) | 16.14 | 15.00 | 13.80 | 15.00 |
| Length (mm) | 410 | 381 | 351 | 381 |
| Width (in.) | 10.04 | 5.90 | 10.70 | 9.60 |
| Width (mm) | 255 | 150 | 272 | 244 |
| Depth/Height (in.) | 11.81 | 16.10 | 10.60 | 11.60 |
| Depth/Height (mm) | 300 | 409 | 269 | 295 |
| Max operating altitude (ft) | 16,400 | 16,404 | 16,404 | – |
| Max operating altitude (m) (m) | 5,000 | 5,000 | 5,000 | – |
| Altitude adjustment | Multi-level, 5 settings | Automatic | – | – |
| Operating temp min (℃) | -40 | -40 | – | -40 |
| Operating temp min (℉) | -40 | -40 | – | -40 |
| Overheat protection | – | Yes | Yes | – |
| Low-voltage protection | – | Yes | Yes | – |
| Certifications summary | – | FCC Part 15 statement | FCC Part 15 Class B statement | – |
| FCC Part 15 compliant | – | Yes | Yes | – |
| Warranty | – | – | 1 Year | 1 Year |
Data sources
Data for this product compiled from these sources:
Specifications last updated Oct 20, 2026.