I lived full-time in a camper van for about seven years, so keeping a small space comfortable without wasting power was something I dealt with firsthand. During that time, I installed and tested this OutEquipPro 12V air conditioner in my van.
I no longer live in the van full-time. After moving into the off-grid cabin I built, I switched to mini-split air conditioning. I currently have one working mini split in the upstairs bedroom, and that one unit kept the cabin reasonably comfortable through this past summer. I eventually plan to replace the downstairs unit as well.
That experience has given me a useful comparison. For a permanent off-grid building with a larger electrical system, I prefer a mini split. For a van, RV, camper, truck, or other mobile 12V application, however, a compact DC air conditioner can make a lot of sense.
This review covers my actual experience with the OutEquipPro unit, how I installed it, what I liked about it, and what I would consider before choosing a 12V air conditioner for an RV, van, or camper.
Why I Chose a 12V Air Conditioner for My Van
One of the biggest challenges with air conditioning in a camper van is power use. Traditional RV air conditioners can require a substantial electrical system, and many are designed around 120V AC power.
A 12V DC air conditioner can simplify that setup because it can run directly from a properly sized 12V battery system without first converting battery power through an inverter.
That does not mean a 12V air conditioner is automatically easy to power. Air conditioning is still a significant electrical load. Your battery capacity, charging system, solar array, alternator charging, insulation, climate, and expected runtime all matter.
For me, the attraction was simple: I wanted something designed specifically for mobile use that could work directly with the electrical system in the van.
OutEquipPro 12V Air Conditioner Specs
The OutEquipPro unit I tested is designed for RVs, vans, campers, trucks, and similar mobile applications. The unit is rated at approximately 10,000 BTU of cooling and 4,500 BTU of heating.
It uses an inverter compressor, which allows the compressor and fan speed to vary based on demand rather than simply operating at full power all the time.
One of the other things that attracted me to it was the physical size. The unit weighs about 45 pounds and has a relatively low-profile rooftop design.
Installing the OutEquipPro 12V Air Conditioner
The installation was one of the things I liked most about this unit.
It fits a standard 14 x 14-inch RV roof opening, which made it much easier to install than trying to adapt a household air conditioner or mini split to the van.
The unit uses a roof gasket to seal against the vehicle, and I was able to route the power wiring internally through the return-air area rather than drilling another separate hole through the roof.
That made the installation cleaner and kept the number of roof penetrations to a minimum.
Low-Profile Design for Vans and Campers
The relatively low profile was another advantage in my van.
Anything mounted on the roof adds height, wind resistance, and one more thing to catch branches or create drag while driving. This unit sat lower than many traditional RV rooftop air conditioners I had seen.
For a camper van, that matters more to me than it probably would in a large RV.
How Quiet Is the OutEquipPro 12V Air Conditioner?
Noise was also important to me.
Traditional rooftop RV air conditioners can be surprisingly loud, especially inside a small van where the unit is only a few feet away from you.
The OutEquipPro unit was quiet enough during my use that normal conversation was easy, and I could record video inside the van without the air conditioner completely dominating the background audio.
That was one of the more noticeable advantages compared with the louder air-conditioning setups I had dealt with before.
Power Use and Battery Capacity
This is where I think people need to be careful.
A 12V air conditioner may be more convenient for a DC electrical system, but it is still an air conditioner. It can draw a meaningful amount of power over several hours.
Instead of copying somebody else's battery and solar numbers, I would size the system around your actual use.
Consider:
- How many hours per day you expect to run the air conditioner
- Your climate and outside temperature
- How well insulated the van or RV is
- Your battery capacity
- Your solar charging capacity
- Whether you have alternator or shore-power charging available
- Other electrical loads running at the same time
That matters much more than simply buying a large battery bank because somebody online said a particular size was enough.
Why Insulation Matters So Much
Air conditioning performance is not only about the air conditioner.
A poorly insulated van sitting in direct sun can gain heat very quickly. Better insulation, window coverings, ventilation, shade, and reducing unnecessary heat inside the vehicle can all reduce how hard the air conditioner has to work.
The less heat you allow into the van, the less electricity you have to spend removing it.
Battery Protection Features
The unit also includes protection for conditions such as undervoltage, overvoltage, overload, and excessive temperature.
I like having those protections built into equipment that is connected directly to an expensive battery system. They are not a substitute for properly sized wiring, fusing, and electrical design, but they add another layer of protection.
Heating as Well as Cooling
The unit I tested also includes heating capability.
I primarily viewed it as an air conditioner, because cooling was my main reason for installing it, but having heat available can be useful during milder cold weather when you do not need a dedicated furnace or diesel heater running.
For serious winter conditions, I would still choose a heating system based specifically on the climate and the vehicle.
Maintenance and Serviceability
The unit comes pre-charged with refrigerant and is designed as a self-contained rooftop system.
It also uses standard refrigerant service ports, which is useful if the system ever needs professional servicing later.
As with any rooftop air conditioner, I would periodically inspect the roof seal, wiring, condenser area, filters, and mounting hardware.
What I Liked About the OutEquipPro 12V Air Conditioner
- Runs directly from a 12V electrical system
- Designed specifically for vans, RVs, campers, and trucks
- Fits a standard 14 x 14-inch RV roof opening
- Relatively lightweight and low profile
- Quiet enough for normal conversation and video recording
- Inverter compressor technology
- Cooling and heating capability
- Built-in electrical protection features
What I Would Consider Before Buying One
I would not buy any 12V air conditioner until I understood the electrical system that will support it.
The air conditioner itself is only one part of the system. You still need enough battery capacity, adequate charging, properly sized wiring, correct fusing, and realistic expectations about runtime.
I would also think carefully about whether a rooftop 12V unit is the best fit for the application.
For a van or RV, I like the compact rooftop design and direct DC operation.
For a permanent off-grid cabin, my preference today is different.
12V RV Air Conditioner vs Mini Split
Now that I live in my off-grid cabin instead of the van, I use mini splits for air conditioning.
I currently have one working mini split in the upstairs bedroom. Even with only that one unit operating, the cabin stayed reasonably comfortable through this past summer.
I would still prefer to have a second unit downstairs, and I plan to replace that one eventually, but the experience reinforced something important:
There is no single best air conditioner for every off-grid situation.
For a permanent cabin, a mini split makes a lot of sense because it is efficient, affordable, easy to replace, and works well with a larger solar and battery system.
For a van, RV, truck, or camper, a 12V rooftop air conditioner can make more sense because it is compact, mobile, and designed to work directly with the vehicle's battery system.
Is the OutEquipPro 12V Air Conditioner Worth It?
Based on my experience using it in my camper van, I think the OutEquipPro 12V air conditioner is a practical option for someone who specifically needs a rooftop DC air conditioner for a van, RV, camper, or similar mobile setup.
The things I appreciated most were the relatively simple installation, low-profile design, quiet operation, and ability to run directly from a 12V battery system.
I would not describe it as the best solution for every off-grid application. My own setup changed when I moved from a van into a permanent cabin, and today I prefer mini splits for the cabin.
But for the job I originally bought this unit to do, cooling a camper van from a 12V electrical system, it made sense.
You can see the current OutEquipPro 12V rooftop air conditioner here: OutEquipPro 12V DC Air Conditioner .
Planning the Rest of Your Off-Grid Power System
Air conditioning is one of the larger electrical loads people add to an off-grid or mobile system, so it is worth planning the entire system before buying equipment.
If you are working toward an off-grid setup and want a simple framework for thinking through shelter, water, food, power, and income, I put together a free starter guide based on the systems I use on my own homestead.
Get the Free Off-Grid Starter Guide
Related Off-Grid Projects and Guides
10 Cheap and Easy Off-Grid DIY Projects
How to Build a Cheap Water Cistern for Rainwater Storage
I Built This $13K Off-Grid Cabin
Three and a Half Years Off-Grid and Alone in the High Desert of Arizona