RV Air Conditioner Not Blowing Cold: Here’s How To Fix It

Why RV Air Conditioner Not Blowing Cold

Summer is in full swing and that means one thing-road trip season! If you’re like us, you’re probably hitting the open road in your RV. But what do you do if your RV air conditioner stops blowing cold air? Don’t worry, we’ve got you covered.

In this blog post, we’ll explain how to fix an RV air conditioner that’s not blowing cold air. So pack your bags and let’s hit the road!

Do you have an RV air conditioner that’s not blowing cold air? Or maybe it’s just not working at all? Chances are, there’s a simple fix for it.

Also Read: What Size Air Conditioner for a Mobile Home?

In this article, we’ll walk you through the most common problems with RV air conditioners and how to fix them. So if your AC is giving you trouble, don’t despair – read on for some tips that might help!

Reasons: Why RV Air Conditioner Not Blowing Cold Air?

There are a few reasons why your RV air conditioner might not be blowing cold air.

1- Low Refrigerant

The most common reason is that the unit is low on refrigerant. When this happens, the air conditioner can’t cool the air properly and you’ll feel warm air coming out of the vents.

2- Dirty Air Filter

Another common problem is a dirty air filter. The air filter helps to keep the air inside the RV clean, but if it’s too dirty, it can restrict air flow and cause the unit to work less efficiently.

3- Ice buildup on coils

Ice can build up on the coils of your AC unit, which can prevent it from cooling properly. This is usually caused by a problem with the fans or the thermostat.

4- Faulty compressor

If the compressor is faulty, it can prevent the air conditioner from cooling properly. The compressor is a vital part of the AC unit, so if it’s not working correctly, it will need to be replaced.

How to Fix an RV Air Conditioner That’s Not Blowing Cold Air?

Steps to Fix an RV Air Conditioner That's Not Blowing Cold Air

So, now that you know some of the most common reasons why your RV air conditioner might not be blowing cold air, let’s talk about how to fix it.

1- Check the Refrigerant Levels

As we mentioned before, the most common reason for an AC unit to stop blowing cold air is because it’s low on refrigerant.

How to Fix a Low Refrigerant Issue?

If you think this might be the problem, the first thing you should do is check the levels. If the levels are low, you’ll need to add more refrigerant to the unit. This is a pretty easy process, but if you’re not comfortable doing it yourself, you can always take it to a professional.

If your air conditioner is low on refrigerant, there are a few things you can do to fix it.

  1. Check for leaks in the unit. If you see any, you’ll need to repair them before you can add more refrigerant.
  2. Add more refrigerant to the unit. You can do this yourself, but it’s best to call a professional AC repairman to do it for you.

2- Clean or Replace the Air Filter & Clogged Drain Lines

Steps to Clean or Replace the Air Filter?

If the air filter is clogged, it can restrict airflow and prevent the AC unit from cooling properly. You’ll need to clean or replace the air filter to fix this problem.

If your air conditioner’s air filter is dirty, there are a few things you can do to fix it.

  1. Clean the air filter: You can do this yourself, but it’s best to call a professional AC repairman to do it for you.
  2. Replace the air filter: This is something you can do yourself, but it’s best to call a professional AC repairman to do it for you.
  3. The drain line helps to remove water from the unit, but if it becomes clogged, it can cause the unit to stop working altogether.

If you think your air conditioner’s drain line is clogged, the best thing to do is clear it out. You can use a plunger or a plumber’s snake to try and clear the blockage. If that doesn’t work, you may need to call a professional to help you out.

3- Remove Ice Buildup from the Coils

If there’s ice buildup on the coils of your AC unit, it can prevent it from cooling properly. You’ll need to remove the ice buildup to fix this problem.

4- Replace the Compressor

If the compressor is faulty, it will need to be replaced. This is a pretty big job, so you might want to take it to a professional.

Steps to Fix Faulty Compressor Issue?

If the compressor is faulty, there are a few things you can do to fix it.

  1. Check the fuse box and make sure that the fuse for the AC unit isn’t blown. If it is, replace it.
  2. Check the wiring. If it’s loose or damaged, you’ll need to repair it or replace it.
  3. If the compressor is damaged beyond repair, you’ll need to replace it. This is a big job, so you might want to take it to a professional.

5- Adjust the Thermostat Settings

If the thermostat isn’t set properly, it can prevent the AC unit from cooling properly. You’ll need to adjust the thermostat settings to fix this problem.

If you think that the problem might be with the thermostat, there are a few things you can do to try and fix it.

  1. Check the batteries: If they’re dead, replace them.
  2. Check the settings: If they’re not set properly, adjust them.
  3. Adjust the settings: If they’re not set properly, you may need to replace the thermostat.

These are just a few of the most common problems that can cause your RV air conditioner to stop blowing cold air. If you’re having this problem, we hope that this article has helped you to troubleshoot the issue.

FAQs Whys RV AC Not Cooling Enough

Why Is My RV AC blowing warm air?

There are a few different reasons why your RV AC might be blowing warm air. Here are a few of the most common:

  1. The air filter is dirty and needs to be replaced.
  2. The coils are frozen and need to be thawed out.
  3. The compressor is damaged and needs to be replaced.
  4. The thermostat isn’t set properly and needs to be adjusted.
  5. There’s a leak in the refrigerant line and it needs to be repaired.

If you’re experiencing any of these problems, we recommend that you call a professional AC repairman to take a look at them and fix the problem.

If you have problem with your AC then you may Choose Best Window Air Conditioner for Mobile Homes.

How do you reset an RV air conditioner?

If your RV air conditioner isn’t working properly, you may need to reset it. Here’s how you do it:

How to reset an RV air conditioner
  1. Turn off the power to the unit at the breaker box.
  2. Wait 30 seconds and then turn the power back on.
  3. Turn on the thermostat and set it to cooling mode.
  4. Wait for the unit to cool the RV.
  5. If the unit doesn’t cool the RV, turn off the power and repeat steps 1-4.

If you’re still having trouble with your RV air conditioner, you may need to call a professional AC repairman to take a look at it and determine the cause of the problem.

How do I know if my RV AC is low on Freon?

If you’re experiencing any of the following symptoms, then it’s likely that your RV AC is low on Freon:

  • The air coming out of the unit isn’t as cold as it used to be
  • The unit isn’t cooling the RV as effectively as it used to
  • The unit is making strange noises
  • The unit is leaking refrigerant

If you’re experiencing any of these symptoms, the best thing to do is to call a professional AC repairman to fix this problem.

Can you add Freon to a camper air conditioner?

Yes, you can add Freon to a camper air conditioner. The best way to do this is to take it to a professional and have them do it for you. They will be able to properly add the Freon and make sure that there are no leaks in the system.

Can I use my RV AC while driving?

Yes, you can use your RV AC while driving. However, we recommend that you turn it off while you’re driving and turn it back on when you stop for the night. This will help to conserve energy and keep your RV cool.

Final Thoughts

If your RV AC isn’t working properly, there are a few different things that you can do to try and fix it. However, if the problem persists, we recommend that you call a professional AC repairman to take a look at it and fix the problem.

We hope this article helped diagnose and fix your RV air conditioner. If you still have questions or need assistance, please don’t hesitate to reach out to us. We’re here to help! Have a great summer camping trip!

Shane Rosas

Shane Rosas is a touring journalist and a New York Times Best Selling author. I'm a nomadic journalist, writing and broadcasting stories of the people and culture that I meet during my travels.

Recent Posts