Sunster HTB1 Diesel Heater 8KW 12V 110-240V, ToolBox Bluetooth GSM LET-4G/5G Version

Sunster LTE 4G Smart Diesel Air Heater (8KW)

The Ultimate Smart Heating Solution for Vehicles, Homes, and Outdoor Spaces

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Main Controller Upgrade

GSM Phone Control: LTE 4G network (Nano-SIM required; SIM card not included)

Remote Control Distance: Unlimited (no range restrictions)

Ventilation Function: Yes

Automatic Start & Stop: Yes

Timer Switch: Yes

Heater Status Query: Yes

Temperature Scale: °F/°C (default °F)

Oil Pump Volume Setting: Automatic

Language Options (Voice): English / Russian / German

Fault Display: 9 error codes

Turbo Heating Mode: Yes

Temperature Control Mode: Gear or temperature-based

Engineering Mode: Yes

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Specifications

Heating Power: 8KW

Fuel Type: Diesel

Working Voltage: DC 12V / 24V or AC 110–240V

Control Method: LTE 4G Network + LCD Controller

Heating & Ventilation Modes: Yes

Startup Current: 13A

Rated Current: 3A

Heating Area: 15–20 m²

Continuous Heating Time: Up to 48 hours

Adjustable Temperature Range: 46℉–95℉ / 8℃–35℃

Complete Combustion Rate: 100%

Fuel Tank Capacity: 6L / 1.58 gal

Fuel Consumption: 0.16–0.48 L/h

Power Consumption: 0.036 KW/h

Working Temperature: -104℉ to +176℉ / -40℃ to +80℃

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Key Features

🌐 GSM Control via LTE 4G Network

Control your heater anytime, anywhere.
Insert a nano-SIM card and use your smartphone to turn the heater on/off, adjust temperature, and monitor operation — without any distance limitation.

💨 Ventilation Mode

Circulates fresh air without heating, ideal for warm weather or reducing moisture. Perfect for motorhomes, caravans, and year-round comfort.

🌡️ Automatic Start & Stop Thermostat

Maintains your desired temperature efficiently. The heater automatically stops when the set temperature is reached and restarts when it drops.

🔁 Efficient Internal Air Circulation

Dual air hot pipes allow continuous warm air recirculation, maximizing heat distribution and energy efficiency.

⚙️ Universal Dual Power Input (DC 12V/24V & AC 110–240V)

Seamlessly switches between vehicle and household power, suitable for use both on the road and at home.

🧰 Compact Toolbox Design

Integrated 6L fuel tank and carry handle in a portable, space-saving design. Easy to transport, install, and maintain — ideal for RVs, trucks, garages, or outdoor adventures.

🔇 Low Noise & Low Fuel Consumption

Consumes only about 1 gallon of diesel per night to heat an area of 215 ft² (20㎡). Features an intelligent thermostat and upgraded ultra-quiet oil pump with ≤35dB noise level.

🧠 Upgraded Smart Control Panel

Supports constant temperature mode, timer function, turbo heat mode, and ventilation — all controlled from a modern LCD interface.

🔒 Comprehensive Safety System

Built-in protections include overheat, short-circuit, reverse polarity, and over-voltage safeguards for safe, reliable performance.

🚗 Wide Applications

Made from high-quality aluminum alloy for fast heating, excellent heat dissipation, and long service life.
Perfect for:
Cars | RVs | Trucks | Motorhomes | Boats | Garages | Cabins | Tents | Workshops

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Package Includes

1 × Diesel Air Heater
1 × Remote Control
1 × LCD Switch (with 3m extension cable)
1 × Air Filter
1 × Intake Pipe
1 × Exhaust Pipe
1 × Air Outlet Pipe
1 × Battery Power Cord
1 × Fixture Accessories Set
1 × AC 110–240V Power Adapter (EU/UK/US plug)
1 × Silencer
1 × Heater Recirculation Kit (New accessory)
1 × Heat Protection Sleeve
1 × User Manual