At Coach Specialists we fix a lot of RV roofs. One problem that happens to RV Air conditioners is that they get damaged or completely knocked off from tree limbs over passes, and even signs.
Even though they may be small, RV air conditioners are very strong and go through a lot of wear and tear atop your RV.
Do RV Air Conditioners run on Freon?
Unlike air conditioners used to cool a house or a car, an RV air conditioner is very different in the way it cools. RV Air Conditioners work more like a refrigerator. They are hermetically sealed. Most RV air conditioners are not designed to be opened and repaired, and if a repair is possible it is often very costly.
If your RV Ai Conditioner has some years on it, and it needs repair, most tech will recommend a replacement as it is often cheaper to replace one tan to have it repaired.
RV Air Conditioner not cooling properly
As can be expected, the most common RV air conditioner issue is that it is not cooling enough. There are a few things you can look for when your AC isn’t cooling properly.
Your RV Air conditioner AC just might not be big enough in BTU’s, especially on a hot day your air conditioner could be outmatched. If you are constantly running into this issue, you might consider getting a second AC installed or upgrading your current RV AC unit.
If you believe your RV air conditioner is plenty big but is not cooling to its potential, there are a few things you can do to improve efficiency by performing some basic maintenance on your AC.
Basic RV Air Conditioner Maintenance
Be sure to clean your RV air conditioner’s air filters every 2-4 weeks depending how often you are running it. If you are not cleaning your air filter regularly you will experience decreased air flow and not get the cooling you need on a hot day. If you ignore your air filters for a long period of time without properly cleaning them you will run the risk of needing an expensive cleaning by an RV repairman.
Remember a dirty system causes the unit to work harder, which uses more power which could shorten the life of the AC.
Condenser fins are really something you should avoid messing with (call an RV Tech), but it is good to know a little about them so you can know what to look for when maintaining your air conditioner. If the condenser fins are very dirty, remove the filter on the inside on the ceiling. Get a flashlight and look up at the condenser fins, they should be clean and clear. It would be a good idea to call an RV repairman if they are dirty. You really have to be careful not to damage these fins when they are being cleaned.
If the condenser fins are dirty, then your filter is not covering the intake area completely as it should and needs to be replaced with the correct size. NO dirt should be able to get by this filter.
Inspect your condenser fins occasionally to check if they are bent. If they are, you can straighten any bent condenser fins on your air conditioner with a fin comb that you can buy at any auto part store.
Clean the outside condenser coil as needed. This is not an obligatory maintenance concern. The coil is located at the back of the AC Unit and can be accessed from the outside on the roof. You can blow out any debris that may have collected on the coil with an air compressor. Because the AC fan pulls air in through the back of the coil and exhausts it from the sides of the shroud, it is best to blow compressed air through the coil from the inside out. You may also wash this coil with water if you choose to do so. Don’t forget to disconnect all power leading to the air conditioner first.
Each AC unit has a pan to collect the water as a result of condensation and directs the water out on to the RV roof through a small hose. Some of these drains on the pans have small openings and can be easily blocked causing the water to leak into the RV. The holes can be cleaned out with a wire carefully and blown clear with air.
Whenever your RV air conditioner is receiving too much or too little power, it is at risk of some major damage. There are many ways you could be receiving the wrong amount of power, including the following:
Your generator might be fluctuating too much, meaning you might have an internal problem with your generator. If you are plugged in at a campground and it is a hot day, most people could be using their air conditioners. This would affect how much power you receive from the shore power outlet and could potentially harm your air conditioner.