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HCALORY TB MAX2
Hcalory TB MAX2 8KW Diesel Heater, 7.9L All in One App Control 12/24/110V | 2026 Upgraded 47% Efficiency Boost,65H Runtime,Auto Start-Stop,Dual Noise Reduction,Carbon Self-cleaning,Altitude Mode,IPX4
In Stock
Toolbox-style 8 kW heater with a 2.1 gal (7.9 L) tank rated for up to 65 hours at its lowest setting, the longest runtime listed. It adds a one-tap carbon self-cleaning cycle, IPX4 splash resistance that few heaters here have, a 55 dB rating and automatic altitude adjustment to 16,400 ft (5,000 m). At 28 lbs (12.7 kg) it is heavier than most, and its 65–75 ℉ (18–24 ℃) thermostat range is the narrowest listed, a premium pick for long off-grid stays.
- Price
- $299.99
- 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.
How it compares
Compared with the other diesel heaters on this site that list each value:
- Heating area is higher than 85% of 21 others: 289 sq ft (27 m²)
- Max runtime per tank is the highest of 18: 65 hours
- Thermostat min is the highest of 16: 65 ℉ (18 ℃)
- Thermostat max is the lowest of 16: 75 ℉ (24 ℃)
- Weight is higher than 95% of 21 others: 28.00 lbs (12.70 kg)
- Operating temp min is the highest of 18: -4 ℉ (-20 ℃)
Videos
Recommended videos may not be an exact match for this product. Check product details before purchase.
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
- Model
- TB MAX2
- Manufacturer page
- Link
Core specs
- Heater type
- All-in-one
- Max heat output
- 8.0 kW
- Heating area
- 27 m²
- Heating area
- 289 sq ft
Fuel
- Fuel tank capacity
- 7.9 L
- Fuel tank capacity
- 2.1 gal
- Fuel consumption min
- 0.12 L/h
- Fuel consumption max
- 0.35 L/h
- Fuel consumption max
- 0.090 gal/h
- Max runtime per tank
- 65 hours
Controls
- Auto start/stop
- Yes
- Thermostat mode
- Yes
- Thermostat min
- 65 ℉
- Thermostat max
- 75 ℉
- Thermostat min
- 18 ℃
- Thermostat max
- 24 ℃
- Remote control included
- Yes
Power
- DC input voltage
- 12V/24V
- AC adapter included
- Yes
Physical Attributes
- Noise level
- 55 dB
- Housing material
- Metal
- Hot air outlets
- 1 outlets
- IP rating
- IPX4
- Weight
- 28.00 lbs
- Weight
- 12.70 kg
- Length
- 15.74 in.
- Length
- 400 mm
- Width
- 10.83 in.
- Width
- 275 mm
- Depth/Height
- 12.87 in.
- Depth/Height
- 327 mm
Altitude
- Max operating altitude
- 16,400 ft
- Max operating altitude (m)
- 5,000 m
- Altitude adjustment
- Automatic
Operating Temp Range
- Operating temp min
- -20 ℃
- Operating temp min
- -4 ℉
Safety
- Overheat protection
- Yes
Features
Details from the HCALORY TB MAX2 Amazon listing:
- 【Rapid Heating & Wide Coverage】 The Hcalory Toolbox Max 2 (2026 upgrade) features an upgraded SUS310S alloy core and 4.4 lb aluminum body, boosting heating efficiency by 47%. The optimized glow plug preheats for 1 minute and runs 30 seconds more for stable ignition even at -4°F. You feel warmth in 3.5 minutes, outlet reaches 212°F in 5 minutes, and it covers 215–289 sq ft—perfect for RV, garage, tent, or camper.
- 【Up To 65 Hours With Minimum Setting】 The upgraded 7.9L fuel tank delivers up to 65 hours of continuous heat on a single fill (at 0.12L/h). This exceptional duration means fewer refills and uninterrupted warmth for entire weekends or off-grid excursions, even in the most frigid climates.
- 【Comprehensive Safety Protection】 Engineered for 100% peace of mind. Features an IPX4 splash-proof housing to resist rain and mud, and a dual-valve fuel cap that prevents leaks and pressure build-up on bumpy terrain. The included exhaust heat wrap blocks extreme 752°F heat to protect your RV floor and wiring, while the triple smart protections (overheat, overvoltage, and flame-out cut-off) instantly shut down the system to prevent damage and ensure safe operation.
- 【Precision Comfort & Silent Sleep】 The wireless remote acts as a smart indoor thermostat, sensing the actual room temperature (not the chassis). Set your ideal 65–75°F with ±3.6°F intelligent adjustment via Panel, Remote, or App (charge remote with USB-A to USB-C cable only). The upgraded integrated oil filter silent pump and muffler reduce noise to just 54.6 dBA (30% quieter), eliminating irritating ticking sounds for a peaceful night's sleep.
- 【All-Terrain Adaptive Performance】 Never lose efficiency at high altitudes. Our heater auto-adjusts its combustion for optimal performance up to 16,400 ft, ensuring full heat output and fuel economy even in thin air. This intelligent adaptation guarantees reliable warmth whether you're on a high-altitude climb, crossing mountain passes, or parked at a remote alpine worksite.
- 【Efficient Self-Cleaning System】 Keep your heater performing like new with our One-Tap CLEA carbon cleaning cycle. In just 20 minutes, it burns away stubborn soot at 1832°F, instantly restoring your heater's rapid ignition, 47% heat efficiency, and ultra-low 0.12L/h fuel economy – all without disassembly. This process protects the alloy core and prolongs the life of your glow plug and motor. Safe, automatic, and completely tool-free – one click gives you long-lasting performance and total peace of mind.
- ⚠ Warning: This heater Exhaust pipe must be exhausted to the outdoors to prevent CO poisoning. Rest easy knowing your heater is designed with your safety in mind, allowing you to focus on your adventures.
Similar products from other brands
Chosen for their similar specifications and price.
 This productHCALORY TB MAX2 |
 VEVOR GMH-04D |
 TURBRO H8BP |
 BougeRV DHG001 |
|
|---|---|---|---|---|
| Price | $299.99 | $775.90 | $129.99 | $219.99 |
| Model | TB MAX2 | GMH-04D | H8BP | DHG001 |
| Popular brand | – | – | No | – |
| Heater type | All-in-one | All-in-one portable | All-in-one portable | All-in-one |
| Max heat output (kW) | 8.0 | 4.0 | 8.0 | 5.0 |
| Min heat output (kW) | – | 1.0 | 2.0 | – |
| Max heat output (BTU/h) (BTU/h) | – | – | 27,300 | 17,061 |
| Heating area (m²) | 27 | 30 | – | – |
| Heating area (sq ft) | 289 | 323 | – | – |
| Fuel tank capacity (L) | 7.9 | 3.8 | 5.0 | 5.0 |
| Fuel tank capacity (gal) | 2.1 | 1.0 | 1.3 | 1.3 |
| Fuel consumption min (L/h) | 0.12 | 0.17 | 0.16 | 0.18 |
| Fuel consumption max (L/h) | 0.35 | 0.36 | 0.40 | 0.53 |
| Fuel consumption max (gal/h) | 0.090 | 0.100 | 0.106 | 0.140 |
| Max runtime per tank (hours) | 65 | – | 31 | 27 |
| Heat levels (levels) | – | 9 | 10 | – |
| Auto start/stop | Yes | – | Yes | – |
| Thermostat mode | Yes | – | Yes | – |
| Thermostat min (℉) | 65 | – | 46 | – |
| Thermostat max (℉) | 75 | – | 97 | – |
| Thermostat min (℃) | 18 | – | 8 | – |
| Thermostat max (℃) | 24 | – | 36 | – |
| Timer | – | – | Yes | Yes |
| Remote control included | Yes | Yes | Yes | Yes |
| Remote range (ft) | – | – | 164 | – |
| App connectivity | – | – | Bluetooth | Bluetooth |
| DC input voltage | 12V/24V | – | 12V/24V | 12V |
| AC adapter included | Yes | – | Yes | – |
| Startup power draw (W) | – | – | 130 | 150 |
| Running power draw (W) | – | – | 54 | 60 |
| Noise level (dB) | 55 | 65 | – | 70 |
| Housing material | Metal | – | – | Metal |
| Hot air outlets (outlets) | 1 | – | – | – |
| IP rating | IPX4 | – | – | – |
| Weight (lbs) | 28.00 | 37.90 | – | 22.00 |
| Weight (kg) | 12.70 | 17.20 | – | 10.00 |
| Length (in.) | 15.74 | 17.13 | 13.80 | 15.30 |
| Length (mm) | 400 | 435 | 351 | 389 |
| Width (in.) | 10.83 | 10.63 | 10.70 | 9.70 |
| Width (mm) | 275 | 270 | 272 | 246 |
| Depth/Height (in.) | 12.87 | 12.40 | 10.60 | 12.40 |
| Depth/Height (mm) | 327 | 315 | 269 | 315 |
| Max operating altitude (ft) | 16,400 | 13,123 | 16,404 | 9,843 |
| Max operating altitude (m) (m) | 5,000 | 4,000 | 5,000 | 3,000 |
| Altitude adjustment | Automatic | – | – | – |
| Operating temp min (℃) | -20 | – | – | – |
| Operating temp min (℉) | -4 | – | – | – |
| Overheat protection | Yes | Yes | 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 | 2 Years |
Data sources
Data for this product compiled from these sources:
Specifications last updated Oct 20, 2026.
Videos are from YouTube and load from YouTube when you play them.