TRUCKCOOL 12V 4KW Diesel-Powered Truck Parking Air Heater
Heating Systems
Best Overnight Choice

TRUCKCOOL 12V 4KW Diesel-Powered Truck Parking Air Heater

Model: HA4

The reliable, fuel-sipping diesel heater engineered to slash idling costs, eliminate downtime, and boost driver satisfaction through the harshest North American winters.

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TRUCKCOOL HA4: Keep Your Drivers Warm & Your Trucks Running—Without Burning Fuel. 🔥

The Fleet Owner's Problem: Idling Away Your Profits

Every hour your truck idles for heat, you're burning through more than a gallon of diesel. That's over $50 per truck, per night literally going up in smoke. Add in the risk of hefty anti-idling fines, increased engine wear, and the cost of an unhappy, cold driver, and the financial drain is immense. A failed heater in the middle of a cold snap isn't just an inconvenience—it's a costly logistical nightmare.

You need a heating solution that works as hard as you do. The TRUCKCOOL HA4 is the smart investment that pays for itself, keeping your drivers comfortable and your bottom line healthy.

Your Business Benefits: Why the TRUCKCOOL HA4 is a Fleet Essential 📈

  • 💰 Slash Idling Costs & Boost ROI
    Using as little as 0.11 liters of diesel per hour, the TC-HA4 provides powerful, consistent heat for a fraction of the cost of idling. The fuel savings alone can deliver a full return on your investment in a single season.
  • 😊 Maximize Driver Comfort & Retention
    A warm, quiet, and comfortable cab is key to keeping a good driver. Our heater operates quietly and heats up fast, providing a restful environment that shows your drivers you value their well-being. Happy drivers are safe, productive, and loyal drivers.
  • 🏔️ Conquer High Altitudes & Harsh Conditions
    Operating in the mountains? No problem. The intelligent plateau function automatically adjusts the fuel-to-air ratio up to 5,000 m (16,400 ft), ensuring clean, efficient combustion and preventing the sooting and failures common in other heaters.
  • 🛡️ Dependable, Safe & Easy to Maintain
    With built-in self-protection and a self-diagnosis function, the TRUCKCOOL HA4 is engineered for reliability. It actively monitors its own operation for safety and provides simple diagnostic codes, minimizing downtime and making troubleshooting a breeze for your mechanics.

Core Features & Technology

  • ✅ Smart Plateau Function: Automatic high-altitude adjustment for peak performance anywhere.
  • ✅ Rapid & Silent Heating: Powerful 4KW output heats your cab quickly, while quiet operation ensures restful sleep.
  • ✅ Ultra-Low Fuel Consumption: Sips diesel to keep operating costs at an absolute minimum.
  • ✅ Compact & Easy to Install: The small footprint allows for flexible installation in a wide variety of trucks and vehicles.
  • ✅ Advanced Safety Protocols: Features comprehensive self-protection and diagnostic systems for peace of mind.
  • ✅ Intuitive Controls: Simple, no-fuss operation makes it easy for any driver to use.

Technical Specifications

ParameterDiesel Heater Specifications
ModelTRUCKCOOL HA4
Thermal Power (W)4000W
Fuel TypeDiesel
Rated Voltage12V / 24V
Fuel Consumption (l/h)0.11~0.51
Rated Power (W)9~40W
Working Temperature-40°F to +95°F (-40℃ to +35℃)
Working Altitude≤ 16,400 ft (5000m)
Weight (kg)4.5 kg (9.9 lbs)
Dimensions (mm)371 × 140 × 150 mm

Perfect for Your Fleet's Needs

The TRUCKCOOL HA4 is the ideal heating solution for:

  • Sleeper Cabs & Day Cabs
  • Vocational & Work Trucks
  • Heavy-Duty & Off-Road Equipment
  • Cargo Vans & Service Vehicles

Get a Quote for Your Fleet

Ready to stop burning profits and start investing in reliability and driver comfort? The TRUCKCOOL HA4 is our best-selling heater in North America for a reason.

Call us for special fleet pricing and shipping quotes. Our team is ready to help you find the perfect heating solution.