Upgraded Heating Efficiency
2027 Upgraded Version! Features an upgraded SUS310S alloy core and a heavy-duty 4.4 lb aluminum body, delivering a 47% boost in overall heating efficiency. Feel noticeable warmth in just 3.5 minutes, with outlet temperatures reaching 212°F (100℃) within 5 minutes.
Product Features:
Rapid Heating & Wide Coverage
The Hcalory Toolbox Max 2 (2027 Upgraded Version) features an upgraded SUS310S alloy core and a heavy-duty 4.4 lb aluminum body, delivering a 47% boost in overall heating efficiency. Its optimized glow plug preheats for 1 minute before ignition and continues running for 30 seconds to guarantee smooth, reliable starts even in harsh -40°F (-40℃) conditions. Feel noticeable warmth in just 3.5 minutes, with outlet temperatures reaching 212°F (100℃) within 5 minutes. With an expansive heating coverage of 215 to 289 sq ft (20㎡-27㎡), it effortlessly warms up your RV, garage, tent, or camper.
Up to 65 Hours of Continuous Heat
Built for extended off-grid adventures, the upgraded 7.9L large fuel tank provides up to 65 hours of uninterrupted warmth on a single fill (at an ultra-low 0.12L/h(0.03 gal/h) minimum fuel rate). This exceptional duration, combined with superior fuel efficiency, means fewer refills and uninterrupted warmth for entire weekends or off-grid excursions. Rely on steady comfort in even the most frigid climates.
Comprehensive Safety Protection
Designed for 100% peace of mind on rough terrain:
- Rugged Housing: IPX4 splash-proof enclosure effectively resists rain, snow, and mud.
- Leak-Proof Cap: Dual-valve fuel cap prevents spills and balances pressure during bumpy rides.
- Thermal Defense: Included exhaust heat wrap shields against extreme 752°F(400℃) temperatures to protect RV flooring and wiring.
- Triple Smart Protection: Auto-shutdown safeguards against overheating, overvoltage, and accidental flame-outs.
Precision Temp Control & Quiet Sleep
Experience true room-level climate control: The wireless remote acts as an indoor thermostat to sense actual ambient room temperature rather than chassis heat. Maintain your target temperature (e.g., 75°F) with precise ±3.6°F intelligent adjustment via Panel, Remote, or Smart App. Plus, the upgraded integrated Oil Filter Silent Pump, paired with a high-efficiency muffler, reduces operational noise to just 54.6 dBA (30% quieter), eliminating harsh fuel-pump ticking for undisturbed sleep.
18,000 FT High-Altitude Adaptation
Never lose heating efficiency at high altitudes. The intelligent combustion system auto-adjusts air-fuel ratios for stable, optimal performance at altitudes up to 18,000 ft (5500 M). Enjoy full heat output, clean combustion, and maximum fuel economy whether camping in alpine valleys or parked at high-altitude mountain sites.
Tool-Free One-Tap Self-Cleaning
Keep your heater operating like new with our One-Tap carbon cleaning cycle. In just 20 minutes, the system burns away carbon deposits at 1832°F (1000℃), restoring rapid ignition, 47% heating efficiency, and 0.12 L/h (0.03 gal/h) fuel economy without manual disassembly. A smart 100-hour maintenance reminder automatically alerts you when it's time to clean, protecting the alloy core while extending the lifespan of your glow plug and motor.
Specifications:
- Model: TB MAX2/ Toolbox Max 2
- Color: Black
- Rated Power: 8KW
- Product Dimensions: 15.74"L x 10.83"W x 12.87"H (inches)
- Control: APP, Remote Control, LCD Panel.
- Support(US): 12V/24V DC & 110V-120V AC
- Support(EU): 12V/24V DC & 220V-240V AC
- Built-in Fuel Tank Capacity: 7.9L/2.09GAL
- Altitude Reference: 18000ft / 5.5KM
- Fuel Consumption (US Units): 0.03-0.09 gal/h
- Fuel Consumption (EU Units): 0.12-0.35 L/h
- Heating Area: 215 sq.ft.-289 sq.ft. (20㎡-27㎡)
- LCD Extension Cord: 59.05''/ 1.5M/ 4.92FT
- Item Weight: 28 pounds/12.7 kg
- Features: IPX4, One-Tap Carbon Clean, Altitude Mode, Low Noise, Automatic Start and Stop, Dual-valve Cap
Package Included:
Host *1
Adapter *1
Wire Harness *1
Silencer and Accessories
Exhaust Pipe *1
Air Outlet Pipe *1
Warm Air Outlet *1
Fixture Accessories Set
LCD Switch *1
Remote Control and USB Charging Cable
Controller Extension Cord *1
Exhaust Heat Wrap
Base
Foot pad
Manual



