Imagine a long haul truck driver, tired and needing a good rest. They need to power their cabin, run the air conditioning, and keep their devices charged. But running the big diesel engine just for that wastes fuel and makes noise. This is where an electric auxiliary power unit, or APU, for trucks comes in. It’s a game-changer for drivers.
Choosing the right electric APU can feel like a puzzle. There are many brands and features to think about. You want something that saves you money on fuel, keeps you comfortable, and lasts a long time. It’s a big decision, and knowing where to start can be tough. We understand these challenges, and that’s why we’re here to help.
In this post, we will break down what makes a great electric APU. You’ll learn about the benefits, what features matter most, and how to pick the best one for your truck. By the end, you’ll have the knowledge to make a smart choice and make your driving life much better.
Top Electric Apu For Trucks Recommendations
- 20CC Compressor Rapid Cooling - Equipped with 20CC scroll compressor, the motor rpm up to 3000-speed which cool down the interior temperature in just 8 minutes. Electric RV AC Unit fast Cooling in hot Summer, Say goodbye to sweating.
- Variable Frequency Inverter Cooling - Mini Split Air Conditioner adjusts its operating frequency according to the surrounding temperature, hence reducing energy consumption. The inner unit is equipped with an ultra-quiet mini evaporator, it controls temperature intelligently and operations below 60dB to create a comfortable environment
- Economic and Environment Friendly - The 12v air conditioner is able to be provided energy from either engine or additional battery which helps save up to approx. $6,552/Year. It keeps running at low noise even when the car engine is off.
- 12V DC Power Supply & Low Voltage Protection - The air conditioner cuts off automatically to stop the battery from running out power, which ensures the car could start as usual. There are over-voltage and over-current protection as well, safe and worry-free!
- Durable Build & Long-Lasting Quality - Made from sturdy ABS, the shell enjoys excellent resistance to deformation and corrosion, our camper air conditioner ensures long-lasting durability. The package includes internal and external units with both accessories and instructions, ensures a quick and easy installation.
- 🚚Perfect Parking Air APU AC For Truck: Just connect our 12V A/C Unit to your vehicle battery or external power for fast cooling, even when the engine is off. Enjoy constant cooling for your truck cab, whether you're parked at a job site or on a remote farm, promoting comfort while reducing fuel consumption and environmental impact.
- 🚚Efficiency Meets Instant Comfort: Experience efficient cooling performance with our professional-grade 20cc scroll compressor and 3000-speed motors. In as little as 6 minutes, our truck air conditioning units regulate the interior temperature, ensuring instant comfort for drivers and passengers alike, even in the scorching heat of summer.
- 🚚Quiet and Serene Cab Environment: Our innovative inverter cooling technology minimizes energy consumption while maintaining a serene and comfortable space in the cab. With a household-type ultra-quiet evaporator and smart temperature control, the internal unit operates below 50dB, providing a peaceful driving experience ideal for long hours on the road.
- 🚚Reliable and Easy Installation: Crafted from robust ABS material, our 12 volt dc air conditioner ensures long-lasting performance while remaining resistant to deformation and corrosion. The comprehensive package includes both internal and external units, along with detailed instructions, facilitating a hassle-free installation process for drivers and technicians alike.
- 🚚Versatile Cooling Solutions for Every Vehicle: From tractor and semi-trucks to pickups and boats, our 12v air conditioning units are suitable for a wide range of vehicles. Whether you're hauling cargo cross-country or cruising through city streets, our products provide optimal cooling solutions, enhancing driver comfort in any scenario.
- Parking Air Conditioning for Truck - Our 12V DC air conditioners are powered by electricity, so you can connect the vehicle battery or portable power Station. It keeps your cab cool even when the engine is turn off. Low noise and energy saving. Estimated annual fuel cost savings of 6000. The perfect choice for economic and environment-friendly!
- Fast cooling without the long wait - Our RV a/c units are equipped with professional-grade 20cc scroll compressors with up to 3000-speed motors that quickly regulate the interior temperature in just 8 minutes with the effect of R-134A (NOT INCLUDE), ensuring rapid circulation of cool air.
- Inverter Cooling & Low-noise Tech - KNOLET's truck APU a/c units intelligently adjusts its operating frequency, minimizing energy consumption. The internal unit features a household-type ultra-quiet evaporator, smart temperature control, and operates below 46dB, creating a serene and comfortable space.
- DC 12V Power Supply & Low Voltage Protection - When the voltage is lower than 9V, the air conditioner automatically cuts off the power to protect the battery from running out and ensure the car starts normally. There are also over-voltage protection and over-current protection, safe and worry-free!
- Premium Material & Easy Installation - The shell is made of sturdy PC material with excellent resistance to deformation and corrosion. The package includes both internal and external units with a full range of accessories as well as instructions to ensure a smooth installation. Note: Due to shipping size limitations, we will send them in two packages!
- 【12000BTU Rapid Cooling & Compressor Core Performance】Featuring 12000BTU cooling capacity, this 12V DC air conditioner is equipped with a 20cc scroll compressor and 3000rpm high-speed motor for stable, powerful cooling. It cools down the cabin in just 7 minutes. It delivers uniform full-space cooling to eliminate summer stuffiness, delivering long-lasting comfort for driving, camping and outdoor operations.
- 【Engine-Off APU Standby Cooling & Max Energy Savings】Supporting professional APU parking cooling, this 12 volt split ac with electric works independently via vehicle battery or external power even the engine is off. This energy-efficient design cuts annual fuel costs by up to $6000 and reduces exhaust emissions for eco-friendly, cost-effective daily use.
- 【Inverter Ultra-Quiet Operation & Comfortable Cabin Experience】Adopting advanced inverter technology, this AC optimizes power efficiency while stabilizing cabin temperature. Fitted with asilent evaporator, its operating noise stays below 50dB for ultra-quiet operation. It creates a quiet, disturbance-free indoor environment, perfectly suitable for long-haul driving and overnight RV rest.
- 【Space-Saving Split Design】This 12v air conditioner features a reliable power rating of 2000-3000W, low power consumption and 60-80A rated current, balancing strong performance and energy saving. The compact split structure with tailored indoor and outdoor unit sizes saves vehicle installation space.
- 【Intelligent Low Voltage Protection & Stable Full-Scenario Operation】Semi truck ac unit was built-in smart low-voltage protection module prevents excessive battery discharge and unstable power startup failures. It delivers smooth, pressure-free startup while protecting vehicle batteries and the AC unit from damage. It maintains stable performance in off-grid and frequent start-stop scenarios, extending equipment service life effectively.
- 💨【Fast Cooling】- Our air conditioner has a powerful power of 800W, a maximum motor speed of 3000 revolutions per minute, and a maximum fan speed of 2600 revolutions per minute, which can be applied to vehicles with cabins of up to 10 cubic meters
- 💨【Easy Adjustment】- 5 air speeds can be set via remote control or panel on the indoor unit, 3 modes for your choice (Economy mode, Strong Cool mode, Sleep mode), which can be applied to different temperatures to meet your needs
- 💨【Low Noise】- The noise emitted by the air conditioner is only about 65 decibels when it is running, which will not easily affect yourself or others, and the outdoor unit and indoor unit are both designed with low voltage protection, which can be operated safely for a long period of time
- 💨【Easy to Install】- The outdoor unit can be installed horizontally or vertically on the vehicle, the hollow rear frame not only has a retro industrial style appearance, but also effectively dissipates heat and extends the service life of the outdoor unit
- 💨【Rugged】- Energy efficient swirl RV air conditioner, anti-vibration hoses, aluminum heat exchanger, and ABS shell of outdoor unit with injection molding process, which is corrosion and abrasion resistant, and the performance is more durable and stable
- Parking Air Conditioning for Truck - Our 12V DC air conditioners are powered by electricity, so you can connect the vehicle battery or portable power Station. It keeps your cab cool even when the engine is turn off. Low noise and energy saving. Estimated annual fuel cost savings of 6000. The perfect choice for economic and environment-friendly!
- Fast cooling without the long wait - Our RV a/c units are equipped with professional-grade 20cc scroll compressors with up to 3000-speed motors that quickly regulate the interior temperature in just 6 minutes with the effect of R-134A (NOT INCLUDE), ensuring rapid circulation of cool air.
- Inverter Cooling & Low-noise Tech - KNOLET RV inverter air conditioner will adjusts its operating frequency to the environment, thus reducing energy consumption. The inner unit is equipped with a household-type ultra-quiet evaporator, intelligent temperature control, and operation below 50dB to create a comfortable space.
- DC 12V Power Supply & Low Voltage Protection - When the voltage is lower than 9V, the air conditioner automatically cuts off the power to protect the battery from running out and ensure the car starts normally. There are also over-voltage protection and over-current protection, safe and worry-free!
- Premium Material & Easy Installation - The shell is made of sturdy PC material with excellent resistance to deformation and corrosion. The package includes both internal and external units with a full range of accessories as well as instructions to ensure a smooth installation. Note: Due to shipping size limitations, we will send them in two packages!
- PARKING AIR CONDITIONING FOR TRUCK - 12V DC air conditioners are adaptable, connecting seamlessly to your vehicle battery or a portable power station, ensuring constant cooling for your truck cab even when the engine is off. Ideal for economic and environment-friendly solutions.
- EFFICIENT COOLING PERFORMANCE - Our truck air conditioning units are equipped with a professional grade 18cc scroll compressor that cools quickly with R-134A (Not Included), regulating the interior temperature in as little as 8 minutes. 3000-speed motors ensure that the air is circulated quickly for instant comfort.
- INNOVATIVE INVERTER COOLING & LOW-NOISE TECH - KNOLET's truck APU a/c units intelligently adjusts its operating frequency, minimizing energy consumption. The internal unit features a household-type ultra-quiet evaporator, smart temperature control, and operates below 46dB, creating a serene and comfortable space.
- DURABLE BUILD & EASY INSTALLATION - Crafted from sturdy ABS material with excellent resistance to deformation and corrosion, our camper air conditioner ensures long-lasting performance. The package includes both internal and external units with comprehensive accessories and instructions, facilitating a smooth installation process.
- WIDE APPLICATION RANGE - Suitable for RVs, van, semi-trucks, dump trucks, tractor-trailers, passenger cars, golf carts, excavators, boats, campers, pickup and more. Note: For optimal installation, mount the outdoor unit vertically behind the cab of the vehicle.
Your Guide to an Electric APU for Your Truck
An electric Auxiliary Power Unit (APU) for your truck is a smart choice. It helps you save money and makes your life on the road better. This guide helps you pick the right one.
What is an Electric APU?
An electric APU is a small power system for your truck. It runs on electricity, not diesel fuel. It powers things like your air conditioner, heater, and even your microwave when your truck engine is off. This saves you fuel and reduces noise.
Key Features to Look For
Power Output (Wattage)
Check how much power the APU can give. This is measured in watts. More watts mean it can run more things at once, or more powerful things. Think about what you need to power. Do you run a coffee maker and a mini-fridge? You’ll need more watts. A simple fan and phone charger need fewer watts.
Battery Life and Capacity
The battery is the heart of the APU. Look at its capacity. This tells you how long it can run. Some APUs have rechargeable batteries. Others might need to be plugged in to recharge. Long battery life is important for overnight stops.
Cooling and Heating Capabilities
If you need AC or heat, make sure the APU can handle it. Some APUs are just for power, while others include their own cooling or heating. Check the BTU rating for cooling and heating power.
Noise Level
A quiet APU is a happy driver. Look for APUs that are designed to be quiet. This makes your rest time more peaceful.
Ease of Installation
Some APUs are easier to install than others. If you’re doing it yourself, look for simpler setups. If a professional installs it, this might be less of a concern.
Durability and Build Quality
Trucks face tough conditions. Your APU needs to be strong. Look for APUs made with sturdy materials that can handle vibrations and weather.
Important Materials
The materials used in an APU affect its strength and how long it lasts. Many good APUs use strong metals like aluminum for their frames. These metals are light but tough. The batteries inside are usually made of lithium-ion. Lithium-ion batteries hold a lot of power and can be recharged many times. The outer casing should be made of durable plastic or metal that can resist impacts and the elements.
Factors That Improve or Reduce Quality
What Makes an APU Better?
- High-quality battery cells: These last longer and provide more reliable power.
- Efficient inverter technology: This turns the battery’s DC power into AC power for your devices. Better technology means less wasted energy.
- Robust construction: A well-built APU can withstand bumps and shakes.
- Good ventilation: This keeps the APU from overheating, which can damage it.
What Makes an APU Worse?
- Cheap battery cells: These die quickly and don’t hold a charge well.
- Poor wiring and connections: This can lead to power loss or safety issues.
- Flimsy construction: An APU that breaks easily won’t last long.
- Lack of cooling: Overheating is a major cause of APU failure.
User Experience and Use Cases
Drivers use electric APUs for many reasons. The biggest benefit is saving money on fuel. Instead of idling your truck engine to run the AC, you use the APU. This also means less wear and tear on your truck’s engine.
For drivers who sleep in their trucks, an APU makes rest stops much more comfortable. You can stay cool in the summer and warm in the winter without using expensive diesel. It also allows you to run small appliances like a microwave or charge your electronics, making life on the road feel more like home.
Some drivers use them for their day cabs. This means even if you don’t sleep in your truck, you can still have AC and power while you’re waiting during your breaks.
Frequently Asked Questions (FAQ)
Q: What is an electric APU?
A: An electric APU is a system that provides power for your truck when the engine is off, using electricity instead of diesel.
Q: How much power do I need?
A: It depends on what you want to run. For basic needs like charging phones and running a fan, 500-1000 watts is often enough. For AC and more appliances, you’ll need 2000 watts or more.
Q: How long does the battery last?
A: Battery life varies. It depends on the battery’s capacity and how much power you are using.
Q: Can I run my truck’s air conditioning with an electric APU?
A: Yes, many electric APUs are powerful enough to run truck air conditioners, especially the models designed for cooling.
Q: Are electric APUs noisy?
A: Good electric APUs are designed to be very quiet, much quieter than a truck engine.
Q: How do I recharge the APU battery?
A: Many APUs recharge while your truck is running. Some can also be plugged into shore power at truck stops.
Q: Is installation difficult?
A: Installation difficulty varies. Some are plug-and-play, while others require wiring. Check the product details.
Q: What happens if the APU battery runs out of power?
A: If the APU battery runs out, you won’t be able to use the powered devices. You might need to start your truck’s engine to recharge it or plug into shore power.
Q: How much does an electric APU cost?
A: Prices can range from a few hundred dollars for basic models to several thousand dollars for advanced systems with cooling and heating.
Q: Are electric APUs good for the environment?
A: Yes, they are good for the environment because they reduce the need to idle your truck’s engine, which cuts down on emissions and fuel use.