HomeBLOGAir ConditionersHow Do I Make My RV Air Conditioner Colder?

How Do I Make My RV Air Conditioner Colder?

Taking a trip in your RV during the summer months can be fun. Warmer weather expands your camping territory, allowing you to spend more time on your patio doing barbecues, outdoor sports, entertaining friends, or simply relaxing. However, maintaining a suitable temperature indoors can be a complex undertaking.

These mobile homes pale in comparison to permanent brick-and-mortar residences. They don’t have enough space in the walls, floors, or ceilings to fit the required insulation. It’s hardly surprising, then, that high-efficiency air conditioners are needed to keep you cool on hot days.

With this in mind, let’s consider this guide on what we can do to achieve the best cooling during the hottest days.

You may make your RV Air Conditioner colder by spraying off the condenser unit every other week for a few minutes. Then, replace air filters when they become dirty. One easy but highly efficient method is to replace air filters when they become unclean.

What Do I Do If My RV Air Conditioner Isn’t Blowing Cold Air?

When you live in a box on wheels, you quickly realize how crucial air conditioning is. Staying cool on those hot days is more important to you than a delicious meal at a fine dining establishment. Therefore, RV upkeep is essential if you want to keep cool all summer days.

Various problems can prevent your RV air conditioner from blowing cold air.

  1. A blown or tripped fuse could be the source of your problem. It is not difficult to resolve this problem. When a fuse breaks or trips, the AC unit loses power and cannot continue to operate. Always go over the basics first. Check the power panel if your RV air conditioner isn’t pumping cold air anymore. 

Solution: All you have to do to fix the first issue is reset or replace the fuse. Then your air conditioner should function normally. The remedy to the second issue is just as simple and inexpensive.

  1. Someone else has set the thermostat too low. The compressor will overwork and eventually shut down as a result of this. The fan may continue to operate when this occurs, but without the cold air, you desire.

Solution: When pressure builds up in the compressor, it will shut down the cooling system. However, before resetting the thermostat, wait for 5 to 10 minutes for the compressor to calm down before restarting the air conditioner.

  1. Another possibility is that the compressor has failed and no longer produces cold air. Or you may have an icing issue, which may prevent the AC unit from creating any cool air.

Solution: you must first determine where it is damaged and then take the appropriate actions to repair it. The icing problem may be caused by a failing ice detector monitor, which would require replacement.


Why Does the RV AC Unit not Keep RV Cool?

Why Does the RV AC Unit not Keep RV Cool

The primary point for this is that most RVs do not have the same level of insulation as a typical home. As a result, the AC units will struggle to keep up in a location with high temperatures and humidity. Furthermore, depending on the duct design, ducted RV air conditioners may be less efficient than non-ducted RV air conditioners at keeping an RV cool.

The usual rule for RV air conditioners is to keep the RV 20 degrees Fahrenheit more relaxed than the ambient air temperature outside. The AC unit will struggle to keep up if the RV is in direct sunshine on a hot day. A shady RV location will aid in the Air Conditioner’s cooling performance.

Although RV air conditioners try their hardest to keep you cool and comfortable, they may fail due to various internal or maintenance issues. The following are some possible reasons:

  • For an extended period, the RV is exposed to direct sunlight.
  • The refrigerant lines have become plugged.
  • The amount of freon in the air is low.
  • The pipes are leaking or blocked.
  • The compressor belt has come undone.

Improving the Cooling Efficiency of Your RV

It’s good to perform some maintenance on your air conditioner if you plan to hit the interstate for a leisurely trip or easily climb those mountain passes. It will ensure that it works at top efficiency when you need it most; here are a few things to consider.

Output Temperature

Identify the temperature of the air entering your AC unit vs. the temperature of the air leaving the AC using a thermometer or an infrared thermal gun. The cooled air must be at least 20 degrees cooler than the incoming air. 

Clean All Filters

It is a necessity to clean all filters regularly. All are usually washable and do not need to be replaced. The procedure can be fulfilled in less than 20 minutes on most RV air-conditioning systems. Dust and airborne dirt are kept out of the cooling fins thanks to the foam filters. As dirt collects in the filter material, air movement is restricted. The less efficient the AC grows, the more restrictive the filter becomes.

Shore Power Voltage Draw

Invest in a plug-in voltage meter if you don’t already have one. They’re relatively low-cost and plug into a typical duplex wall outlet. The shore power voltage to your supply and AC unit(s) must be sufficient. Electric overloads in the park might develop during extremely hot spells. 

Before Arriving at Your Destination

If feasible, start your generator and air conditioner well before arriving on sweltering days. An hour of running will chill your RV’s interior walls and fixtures while using half a gallon or less gas. As a result, the cabin will be at or near a pleasant temperature when you come up and switch your cooling cycle to shore power.

Close All Blinds And Curtains On The Sunward Side

Close All Blinds And Curtains On The Sunward Side

Make sure to close all blinds and curtains on the sunward side. Also, extend the awnings to shade the outside of the walls on that side.

Shade Availability

When making your reservation, look to see if there are any tree-shaded places available. Parks in desert areas are unlikely to feature many shady trees, but it’s worth asking. On the other hand, dry camping allows the vehicle to take advantage of any available shade. 

Doors and Windows

Your air conditioner shouldn’t have to contend with outside heat sources. Close all of the doors and windows. If the entry faces the sun, extend the door awning if one is available. Close the door promptly when entering or exiting the RV.

Meal Preparation

As much as feasible, cook your meals outside on a camp stove or a barbeque grill. It will reduce the amount of heat generated within the RV, but it will also eliminate the requirement to air out any cooking odors.

Do Not Shut Off AC

Don’t turn off the air conditioning if you’re going out for the day. Set the demand to a low value and leave it on. When you return, you’ll be able to lower the indoor temperature to a suitable level quickly.

Roof Vents

When the air conditioner isn’t working, open the roof vents to let hot air out and immediately cool the space. To clear damp air from the shower area, use motorized vents like Fan-Tastic. Humid air feels significantly warmer than dry air.


How Do I Make My RV Air Conditioner Colder?

Let’s go over each one one by one to help you figure out why your RV’s air conditioner isn’t working correctly and how to fix it with a do-it-yourself fix.

  • Make sure the filters are in good working order and aren’t obtrusive. Clean the air conditioner filter with warm water with a light detergent, then rinse thoroughly before allowing it to dry overnight. You might also use an air compressor to blow it away.
  • Ensure the air conditioner’s return air isn’t clogged with dirt or other pollutants.
  • Check the condenser coil in the air conditioner to ensure it is not blocked or compacted if the fan blows hot air from the interior to the outside.
  • Make sure each gadget has at least 115 V AC. The device will still work despite the low voltage in the camp source, but not to its full potential.
  • Heat-generating items such as cookers, toasters, ovens, and even microwaves that blow hot air into the bus should be avoided.
  • Adding fans to the apparatus helps circulate air and eliminate “pockets” when the air becomes stagnant and warms up.
  • Install LEDs since they not only consume ten times less energy but also operate at ten times lower temperatures.
  • To create shade and keep things more relaxed inside, use a garden tent and a window cover.
  • When the weather is nice, use the roof vent cover to bring cooler air in and let hot air escape when it’s hot.

People Also Ask

Do RV air conditioners have heat?

A propane-fueled furnace is standard in most current RVs. They also have a rooftop HVAC system, which includes a heat pump in some cases. On our rig, we have two heat pump air conditioners.

The interior of the RV is heated by a heat pump, which uses electricity rather than gas. As the name implies, it employs a pump to move heat from one location to another. It takes heat from the outside of the RV and pushes it inside through the ventilation system.

A heat pump is a popular way to keep an RV warm, especially on bigger rigs. Some RVers depend on electric space heaters, but it’s nice to have alternatives, especially since they may work together to keep you warm while saving money.


Why Is My RV AC blowing warm air?

Here are some of the most frequent reasons your RV’s air conditioner is spewing warm air.

  • It could need to be refilled with Freon and inspected for leaks (the old Freon had to go somewhere). On the other hand, the lack of Freon could result from shipping damage or a pre-existing issue with the unit before you purchased it.
  • The air conditioner’s compressor may be malfunctioning. However, it could have been a pre-existing issue with the unit.
  • It could be a wiring issue. However, the fan blowing indicates that it is properly wired.
  • The A/C unit’s electronic control board may be malfunctioning.
  • It could even be due to a malfunctioning thermostat.

How long does it take an RV AC to cool?

The air conditioner must cycle off at some reasonable temperature, around 62 degrees or higher. So be careful not to overdo it. And that was the end of it. It will take about 15 minutes to figure out and two hours to set up and check everything.

If the intake temperature drops a little more, the AC unit’s temperature will reduce. AC units in RVs are somewhat limited, owing to the intake system. As a result, instead of creating air that you can chill to your liking, the device reduces the cabin’s heat. There will be increments based on the temperature sucked into the intake. As a result, it impacts the air conditioning’s coolness.


How much can an RV air conditioner cool?

The BTU is the unit of measurement for energy in air conditioning. The more BTUs the AC unit has, the more powerful it is. The majority of RV air conditioners have 11,000-15,000 BTUs.

The more BTUs you need to cool your RV, the longer it will be. It is why longer RVs usually have two air conditioners. If your RV is extended to 32 feet, one air conditioner will most likely not suffice to keep you cool in the summer.

According to experts, an efficient RV air conditioner should produce air 16-22 degrees colder than the air entering the unit. For example, the temperature inside your RV hit 90 degrees one day while it was parked in the sun. If your air conditioner is working accurately, it should blow air close to 70 degrees.


Conclusion

The investment in a reliable power source to keep your RV running is well worth it. Air filters should be changed regularly, and energy-saving recommendations should be followed to keep your RV air conditioner running efficiently. 

After you’ve figured out why your RV’s air conditioner isn’t working, there are a few options for fixing the problem. Depending on your scenario, these suggestions will either lead you to a satisfying solution or, if your AC unit requires repair, to a specialist.

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