
Refrigerators for semi trucks are a must-have for long haul trucking. They allow drivers to keep perishable goods at the right temperature, extending their shelf life and ensuring they arrive at their destination in good condition.
In fact, a single refrigerator can keep thousands of pounds of food and drinks cool for hours at a time. This is crucial for truckers who transport goods such as meat, dairy products, and frozen foods.
A well-maintained refrigerator can also help reduce fuel consumption and lower emissions. By keeping the interior at a consistent temperature, the engine doesn't have to work as hard to cool the cargo.
Many semi trucks are equipped with refrigeration units that use a combination of air and water to cool the cargo. This method is efficient and effective, and can be powered by the truck's engine or a separate battery.
Benefits and Features
A semi truck refrigerator can be a game-changer for long hauls, offering numerous benefits that enhance comfort and convenience.
Owning a 12-volt fridge in your semi truck is a great idea, as it provides numerous advantages that can make a big difference during long trips.
Energy efficiency is a critical factor when selecting a semi truck fridge 12 volt, and a fridge that consumes less power will not only save you money on fuel but also reduce the strain on your vehicle's battery.
A fridge with an energy-saving mode or eco-friendly settings can significantly impact the efficiency and convenience of your fridge, allowing you to maintain its cooling performance while minimizing power consumption.
Here are some key features to consider when choosing a 12-volt fridge for your semi truck:
A 12-volt fridge is a versatile and efficient solution for mobile refrigeration needs, offering numerous advantages and features that can make a big difference in the comfort and convenience of your semi truck.
Types and Models
There are three main types of 12-volt fridges for semi trucks: DC fridges, portable 12-volt fridges, and built-in 12-volt fridges.
DC fridges are a popular choice for semi trucks, offering efficient cooling and compact designs.
Portable 12-volt fridges are ideal for smaller loads and can be easily moved around the truck.
Built-in 12-volt fridges are designed to be permanently installed in the truck, providing a convenient and space-saving solution.
Each type of 12-volt fridge has its own set of features and benefits, so it's essential to choose the one that best suits your needs.
Installation and Maintenance
Installing a semi truck refrigerator requires some thought to ensure it operates efficiently. Choose a spot in your truck that's easily accessible and well-ventilated.
To ensure the fridge operates correctly, consider the location's impact on its performance. A well-ventilated area will help the fridge breathe and prevent moisture buildup.
When connecting the fridge to the truck's 12-volt power outlet, make sure it can handle the fridge's power requirements. This is crucial to prevent damage to the fridge or the truck's electrical system.
To secure the fridge during transit, use brackets or straps to prevent movement. This will also help prevent damage to the fridge and the surrounding area.
Here are the steps to follow for a proper installation:
- Location Selection: Choose a spot in your truck that is easily accessible and well-ventilated.
- Power Source: Connect the fridge to the truck's 12-volt power outlet, ensuring it can handle the fridge's power requirements.
- Secure the Fridge: Use brackets or straps to secure the fridge, preventing movement during transit.
- Wiring: If hardwiring is necessary, follow the manufacturer's guidelines to ensure secure and insulated connections.
- Test the Installation: Once installed, turn on the fridge to check if it is functioning correctly.
Smeta Mini Fridge No Noise
The SMETA Mini Fridge No Noise is a great option for semi truck owners who need a compact and quiet refrigerator. It measures 15.7 x 16.5 x 19.7 inches and weighs 35 pounds.
This fridge has a reversible door that can open from either side, making it easy to fit into tight spaces. It also has adjustable/removable shelves for customizable storage.
One thing to keep in mind is that the freezer section won't keep food frozen for an extended period. It will stay cold for a while, but eventually, the food will melt.
The SMETA Mini Fridge No Noise is a great choice for its affordability and quiet operation. It's also a good option for drivers who need a compact fridge that won't take up too much space in their semi truck.
Things to Consider During Installation

When choosing a location for your semi truck refrigerator, consider a spot that's easily accessible and well-ventilated to ensure the fridge operates efficiently.
You'll want to select a location that allows for good airflow, as this will help the fridge cool effectively. I've seen some trucks with fridges installed in cramped spaces, and it's not a pretty sight β the fridge can overheat and cause problems.
To power your 12-volt fridge, connect it to the truck's 12-volt power outlet. Make sure the outlet can handle the fridge's power requirements, as using an outlet that's too small can cause damage to the fridge or the truck's electrical system.
Securing the fridge is also crucial to prevent movement during transit. Use brackets or straps to keep it in place, and make sure they're tightened securely.
If you need to hardwire the fridge, follow the manufacturer's guidelines to ensure all connections are secure and insulated. This will prevent any electrical issues and keep you safe on the road.

Here's a quick checklist to help you remember the key installation considerations:
- Location: Choose a well-ventilated and easily accessible spot.
- Power Source: Connect to a 12-volt power outlet that can handle the fridge's power requirements.
- Secure the Fridge: Use brackets or straps to keep it in place.
- Wiring: Follow the manufacturer's guidelines for hardwiring.
Proper Maintenance for Durability
Proper maintenance is key to ensuring your semi truck fridge remains in excellent working condition. Regular cleaning is a must, using mild soap and water to clean the interior and exterior, while avoiding harsh chemicals.
The interior and exterior should be cleaned regularly to prevent the buildup of dirt and grime. This will help maintain optimal performance and extend the life of the appliance.
Defrosting the fridge periodically is crucial to prevent ice build-up, which can affect its efficiency. This should be done regularly to keep your fridge in top shape.
Damaged door seals can cause the fridge to work harder, consuming more power. Check the door seals to ensure they are intact and free of debris.
Proper ventilation is also essential, ensuring that the ventilation areas are clear of obstructions to maintain proper airflow.
A thermometer can be used to check the fridge's temperature settings, and adjustments should be made as necessary to keep your items at the desired temperature.
Here are some essential maintenance tips to keep in mind:
- Regularly defrost the fridge.
- Check if the door seals are functioning properly.
Space and Power
Having a refrigerator in your semi truck is a must for comfort, nutrition, and health on the road.
A 3.2 cubic feet refrigerator is a standard size for semi trucks, like the one Super T offers in their 2019 or newer trucks.
Make sure to check the maximum capacity of your power supply when researching a refrigerator for your truck to avoid issues with your electrical and batteries.
Consult with a professional if you're unsure about the power requirements of a refrigerator for your truck.
Saves Space
Installing a fridge in your truck is the best option since itβll fit perfectly in the space next to or behind you, allowing you access to your food without sacrificing space for moving around and other essentials.
Carrying coolers can take up too much space and require ice or icepacks constantly, making them a less practical solution for truck drivers.
Size
When deciding on a truck refrigerator, size is a crucial factor to consider. You need to know how much space you have on your truck to put one in and how much it weighs to see if it affects the overall weight of your vehicle.

The size of your truck refrigerator will also determine how much space you have to store your food and drinks. A larger fridge means more capacity for storing your perishables.
There are several common sizes of truck refrigerators to consider. Here are some of the most common sizes:
- 1.7 cubic feet
- 2-2/3 cubic feet
- 3.1 cubic feet
- 4.0 cubic feet
- 4.6 cubic feet.
These sizes will give you a good idea of what to expect and help you choose the right size for your needs.
Power
Having a power-efficient refrigerator in your semi truck is crucial to avoid electrical issues.
Refrigerator units for a semi must be energy efficient.
Check the max capacity for your power supply when researching the refrigerator for your truck.
If the fridge uses too much power, it can cause issues with your trucks' electrical and batteries.
12-volt fridges are designed to be energy-efficient, making them suitable for use with your truck's electrical system without draining the battery.
They consume minimal power while maintaining optimal cooling performance.
Convenience and Durability
Having a 12-volt fridge on your semi truck is a total game-changer for convenience on the road. This allows you to store perishable items like fruits, vegetables, and dairy products, ensuring you have access to fresh food throughout your journey.
Fresh food is a must-have for long trips, and a 12-volt fridge makes it possible. You can keep your favorite snacks and meals on hand, reducing the need for frequent stops at restaurants or stores.
Frequent stops can be a real time-saver, and a 12-volt fridge helps you avoid them. By having fresh food on hand, you can stay focused on the road and avoid getting bogged down in traffic or lines at the store.
A 12-volt fridge is also built to last, withstanding the rigors of life on the road. This means you can count on it to keep your food fresh and your truck running smoothly, even on the longest of trips.
Frequently Asked Questions
What size refrigerator fits in a semi truck?
Semi trucks typically accommodate refrigerators with a capacity of 73 quarts or smaller. Check your truck's specifications to ensure compatibility with larger models
Can you put a regular mini fridge in a semi truck?
Yes, you can put a regular mini fridge in a semi truck, but consider a 12V DC power option for safe and convenient operation
Sources
- https://www.superttransport.com/4-reasons-you-need-a-semi-truck-refrigerator-today/
- https://www.bigrigchromeshop.com/refrigerators-and-coolers.html
- https://cdllife.com/2018/top-5-best-semi-truck-refrigerators-for-long-haul-truckers/
- https://fridge.com/blogs/news/semi-truck-fridge-12-volt
- https://www.dtnapartscap.com/parts-categories/electrical/refrigerators-pana-pacific/
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