Troubleshooting Guide: Why Is My Rv Ac Not Blowing Cold Air?
If your RV AC is not blowing cold air, there could be several reasons for this issue. Some common causes include low refrigerant levels, a faulty thermostat, a clogged air filter, or a malfunctioning compressor. It is important to troubleshoot and address these issues to get your RV AC working properly again and enjoy a comfortable journey.
Imagine this: it’s a scorching summer day, and you’re ready to escape the heat in the comfort of your RV. You switch on the air conditioning, leaning back in anticipation of the cool gusts that will soon envelop you.
But to your dismay, the air blowing from the vents is anything but refreshing. As the temperature inside your RV rises, frustration sets in, and you’re left wondering, “Why is my RV AC not blowing cold air?” For RV owners and enthusiasts alike, a malfunctioning air conditioning unit can quickly turn a dream getaway into a sweaty nightmare.
Whether you’re an experienced RVer or just starting to explore the joys of the open road, understanding the reasons behind your RV AC’s lack of cool air is crucial. In this troubleshooting guide, we’ll delve into the common issues that can sabotage your AC’s performance and provide you with practical solutions to get your RV cool and comfortable once more. From maintenance tips to identifying mechanical and electrical problems, we’ll equip you with the knowledge you need to beat the heat and enjoy your RV to the fullest.
So, let’s unravel the mystery and get your RV AC back to blowing that refreshing chilly air you crave.
- Model Number: 3313107.015 3313107.0150000001 317937.000 3107914.008 RV Air Conditioner Fan Blade
- Compatible Models: The 3313107.015 A/C Condenser Fan Blade Compatible with Duo-Therm Brisk Air 57915, 59136, 57912, 59146, 59156, 59516, 59530, and B3351
- Dimensions: 2″Dx10″W x10″H
- A condenser fan blade moves air to facilitate the transfer of thermal energy. When this part fails or begins to fail, the fan will become unbalanced, noisy, or fail to operate efficiently or effectively. May differ from original
- friendly reminder: If you have any questions or concerns, we will answer
- ✅ Energy-Efficient Low Amp Draw – Our RecPro RV air conditioner is engineered with a low amp draw, allowing you to power multiple RV appliances at once without overloading your system. Ideal for off-grid, solar, or generator setups—maximize comfort while minimizing energy usage.
- ✅ Rugged, Durable Design Built for Travel – Made from durable, UV-resistant plastic, this rooftop air conditioning unit is built to withstand the rigors of the road. Its sleek, aerodynamic profile cuts down on drag and fits seamlessly on most RVs, campers, and fifth wheels.
- ✅ Ultra-Quiet Operation – Just 55.4 dB – Say goodbye to loud, disruptive units! With a noise level similar to a gentle rain, this whisper-quiet air conditioner lets you sleep, relax, or work inside your RV without the hum of traditional AC systems.
- ✅ Multi-Function Remote + LED Touch Display – Take full control of your RV AC unit with the included wireless remote and touchscreen LED panel. Easily switch between cool, dry, fan, sleep, and timer modes to tailor your climate on the go. No thermostat wiring needed!
- ✅ Built-In Heat Pump for 4-Season Comfort – This powerful 15,000 BTU rooftop AC unit not only cools your RV fast but also features an integrated heat pump to provide supplemental warmth. Enjoy comfort in your camper, trailer, or motorhome during hot summers and chilly evenings alike.
- Year-Round Comfort: FOGATTI RV Air Conditioner provides 16,000 BTU cooling and 12,500 BTU heating. Upgrade to the dual-sync motor ADB panel for 0-85° automatic oscillation. Covers up to 600 sq. ft., ideal for RVs up to 36 feet.
- Fast & Efficient Cooling & Heating: The dual-motor, triple-fan system delivers 418 CFM airflow, cooling or heating 30% faster—feel the difference in just 4 minutes. With an EER 11.8 rating, it provides high efficiency while using less power. Requires a 15 or 20-amp time-delay fuse or circuit breaker.
- Ultra-Low Noise, Ultimate Comfort: Running at just 43dB, the Fogatti RV AC keeps your space cool without disturbing your peace, perfect for a restful journey.
- 3 Easy Control Modes: Easily adjust your RV’s temperature using the remote, touchscreen ADB panel, or WiFi app. On your RV journey, easily switch between modes for comfort at all times.
- Built for the Road: At just 12.2 inches tall, it clears low bridges with ease. A dual-layer base absorbs bumps, while foam insulation protects key components—ensuring a smooth, worry-free journey.
- Energy-Efficient Low Amp Draw – Our RecPro RV air conditioner is engineered with a low amp draw, allowing you to power multiple RV appliances at once without overloading your system. Ideal for off-grid, solar, or generator setups—maximize comfort while minimizing energy usage.
- Rugged, Durable Design Built for Travel – Made from durable, UV-resistant plastic, this rooftop air conditioning unit is built to withstand the rigors of the road. Its sleek, aerodynamic profile cuts down on drag and fits seamlessly on most RVs, campers, and fifth wheels.
- Ultra-Quiet Operation – Just 55.4 dB – Say goodbye to loud, disruptive units! With a noise level similar to a gentle rain, this whisper-quiet air conditioner lets you sleep, relax, or work inside your RV without the hum of traditional AC systems.
- Multi-Function Remote + LED Touch Display – Take full control of your RV AC unit with the included wireless remote and touchscreen LED panel. Easily switch between cool, dry, fan, sleep, and timer modes to tailor your climate on the go. No thermostat wiring needed!
- Built-In Heat Pump for 4-Season Comfort – This powerful 15,000 BTU rooftop AC unit not only cools your RV fast but also features an integrated heat pump to provide supplemental warmth. Enjoy comfort in your camper, trailer, or motorhome during hot summers and chilly evenings alike.
- AIR CONDITIONER FOR RVS AND CAMPERS | Powerful 6,500 BTU Air Conditioner, Fan & Dehumidifier Maintains a Cool, Dry & Comfortable Climate Inside Your Motorhome, Caravan, Converted Van, Travel Trailer, Truck & Similar Confined Vehicles & Interior Spaces | Innovative Saddle Mounting on Windowsill Keeps Out Loud Noise, While the Unit’s Shockproof Dampers Absorb Vibration for the Quietest, Most Peaceful Operation Possible
- SPLIT DESIGN SAVES YOUR WINDOW VIEW | Split Styling Keeps the Compressor Portion of Your AC Outside, While the Main Unit Absorbs Heat & Expels Cool Air Just Like a Wall Air Conditioner | ‘Over the Sill’ Installation Gives You Full Window Functionality, Lets in Natural Light & Provides Greater Stability to Prevent Dangerous Falls & Accidents—Perfect for Recreational Vehicles, Tour Busses & Other Elevated Settings
- DIGITAL DISPLAY WITH SIMPLE CONTROLS | Large, Bright, Easy-to-Read LED Screen Lets You Monitor Temperature/Time & Achieve Ideal Conditions with Convenient Controls for Temperature [Between 60°F-86°F], Fan Speed, Swing, Timer, Sleep Mode & Option for F°/C°| 3-in-1 Cooling, Dehumidifying & Ventilating Action is Ideal for All-Season Climate Control Whether You Need to Circulate Air or Combat Hot, Humid Weather
- PORTABLE STYLING INSTALLS IN MINUTES | Enjoy All the Same Features as a Roof-Mounted RV Air Conditioner for Less Stress & a Fraction of the Cost! | Slim, Compact AC Fits Easily in Most RV & Home Windows, While the Compressor’s Built-In Handle Makes it Easy to Lift & Maneuver as Needed | Set Includes Integrated Hose Connecting Both Units; Brackets & Hardware Kit for Quick, Simple Mounting; Removable Washable Filter & Other Essentials
- GREAT ON THE ROAD OR AT HOME | While this Mobile Split AC is Meant for Cooling Campers, Traveling Trailers & Similar Live-In Cars, its Versatile Design Makes it Easy to Saddle Over Any Windowsill & Can Even Rest on a Table or Floor to Suit Your Temporary Needs | Take Your Caravan Air Conditioner on Your Next Camping Trip or Cross-Country Vacation, or Use it Inside Your Primary Home, Apartment, Dorm Room, Tiny House or Houseboat
- ►40% INCREASE IN AIRFLOW- Increased volume of airflow to the inside of your RV
- ►NOISE REDUCTION- Reduces noise by an average or 3 decibels
- ►COOLS RV FASTER- more cold air equals less cooling time
- ►IMPROVES EFFICIENCY- Leading to energy and cost savings
- ►BALANCES AIR FLOW THOUGHT THE RV- Distribute air equally left and right in the plenum
- Note: FOGATTI RV air conditioners require connection to both 115V AC power and 12V DC power.
- Fast Cooling: Fogatti RV Air Conditioner has dual high-efficiency compressors and 13,500 BTU cooling. It uses eco-friendly R32 refrigerant for rapid cooling.
- Efficient Energy Saving: Fogatti RV AC not for ducted features an optimized fan and smart temperature control to balance cooling and energy use, cutting costs while ensuring high efficiency.
- Durable & Weatherproof: The high-strength HIPS shell of RV AC units resists UV and impact, handling harsh conditions.Durable & Weatherproof: The high-strength HIPS shell of RV AC units resists UV and impact, handling harsh conditions.
- Easy Installation(Non-ducted ac unit.): Designed for RVs, this rooftop AC requires no major modifications. Fits 14.25 x 14.25-inch rooftop vents. ADB for 1.2-5.0 inches thick roof. It includes a detailed guide and video for quick setup, though professional installation is recommended for safety and performance.
- Fast Cooling: Our portable camping air conditioner Has Powerful Cooling Capacity of 5200BTU with GMCC High-end compressor.This camp AC can drop the temperature by 18℉ (10℃) in 5 mins by cooling mode.The temperature control range is 60℉-88℉(16℃-30℃).It consumes only less than 400w/hour of power, which is highly energy-efficient
- Compact Design: This portable tent air conditioner features a streamlined design and has a metallic spray paint effect.The size is 22.4*11.2*13.8 inches with a convenient handle. The weight is only 31lbs. It is very easy to be carried by one hand.It is very suitable to take it along on summer camping trips or leave it indoors to keep pets comfortable at home
- Various Scenarios: This tent AC for camping is a Must-have cooling product for the following scenarios like camping, picnics, outdoor BBQ. This camping tent air conditioning system also could be used in the Semi Truck, RV, Van for packing cooling. This portable small AC is suitable for some rooms where is impossible to install the wall mounted air contiener such as the kitchen, appartment, small rooms
- 4 Modes for Any Need：This portable air conditioner offers standard Cool, Dry, Sleep and Fan settings with remote control.It features a 24-hour timer to adjuct the swithing off automatically. The portable camp air conditioning system has a low noise level of only 46-50dB by sleeping mode. You can hear No noise of compressor, only sound of fan. Not overly noisy for sleeping
- Darinage Free and Dehumidification：No drainage is needed in cooling mode when humidity is below 70%.However,we still equipped the customers with a drainage pipe.When the indoor humidity is higher than 70%,you may need to use it. Fortunately,this outdoor air conditioner also has a dehumidification function.You can regard it as a highly efficient dehumidifier.During the humid season,it will perform much better than those semiconductor dehumidifier
- 🚐【ROOF AC HEATER COMBO FOR YEARLONG ENJOYMENT】Whether you’re battling the heat or want to stay warm in the winter, a 12V DC air conditioner not only cools your RV, but also heats it. The high cooling capacity of 9,000 BTUs and powerful heating capacity of 4,000 BTUs can cover a larger space of up to 130 square feet. With electric power, expect to save up to $6,000 per year in fuel costs.
- 🚐【INVERTER COOLING AND LOW NOISE TECHNOLOGY】Our inverter RV ac unit will adjust its operating frequency according to the environment, intelligently, thus reducing energy consumption. The air conditioner is equipped with a household-type ultra-quiet evaporator that operates at 45dB or less, creating a quiet space.
- 🚐【FAST COOLING OR HEATING, NO MORE LONG WAITS】The camper 12v a/c unit features a professional-grade 20cc scroll compressor with R-134A refrigerant and a maximum 3,000-speed motor that quickly cools a 29-foot trailer in less than 10 minutes and ensures fast air flow.
- 🚐【REMOTE CONTROL AND LARGE FAN】Fitted with an easy-to-use remote control and LED display for convenient monitoring and settings. The large fan effectively transfers heat away!
- 🚐【SUPERIOR MATERIAL, EASY TO INSTALL】The wtarproof shell is made of sturdy ABS material with excellent resistance to deformation and corrosion for a long life. 12 volt ac kit includes the all-in-one roof top air conditioner as well as a full set of accessories and instructions to ensure smooth installation.
- Note: FOGATTI RV air conditioners require connection to both 115V AC power and 12V DC power.
- Rapid Cooling: Fogatti RV Air Conditioner has dual high-efficiency compressors and 13,500 BTU cooling capacity, ensuring quick chill with eco-friendly R32 refrigerant.
- Smart Energy Savings: RV AC balances cooling power and efficiency through an advanced fan system and intelligent temperature regulation.
- Tough Protection: Built with a rugged HIPS shell, the unit RV AC withstands impacts, UV exposure, and extreme travel conditions.
- Quick Installation: No major modifications needed—fits 14.25 x 14.25″ vents and comes with a manual/video guide. (Professional help recommended.)
I. Common Reasons for RV AC Not Blowing Cold Air
A. Lack of Maintenance and Cleaning
1. Dirty air filters
One of the most common reasons why your RV AC is not blowing cold air is due to dirty air filters. Over time, the air filters in your AC unit can become clogged with dust, dirt, and debris, restricting the airflow and reducing its cooling efficiency.
2. Blocked or restricted airflow
In addition to dirty air filters, blocked or restricted airflow can also prevent your RV AC from blowing cold air. This can be caused by obstructions in the air vents or ducts, such as furniture, curtains, or other objects.
B. Refrigerant Leak
1. Signs of a refrigerant leak
If your RV AC is low on refrigerant or has a refrigerant leak, it will struggle to cool the air effectively. Signs of a refrigerant leak include reduced cooling performance, ice buildup on the evaporator coil, and hissing or bubbling sounds coming from the AC unit.
2. Causes of refrigerant leaks
Refrigerant leaks can occur due to various reasons, such as age and wear of the system, poor installation or maintenance, and physical damage to the refrigerant lines. Identifying and fixing the source of the leak is essential to restore proper cooling functionality.
C. Electrical Issues
1. Faulty thermostat
A faulty thermostat can prevent your RV AC from blowing cold air. If the thermostat is not functioning correctly, it may not send the right signals to the AC unit to start the cooling process. Testing the thermostat for functionality and replacing it if necessary can resolve this issue.
2. Blown fuse or tripped circuit breaker
If the AC unit fails to turn on or blows warm air, a blown fuse or tripped circuit breaker could be the culprit. Checking and replacing a blown fuse or resetting a tripped circuit breaker can restore power to the AC unit and get it back to blowing cold air.
3. Wiring problems
Wiring problems, such as damaged or loose connections, can disrupt the electrical flow to your RV AC. Inspecting the wiring for any visible damage and repairing or replacing it as necessary can fix the electrical issues and restore cooling functionality.
D. Compressor Problems
1. Compressor not running
If the compressor in your RV AC is not running, the unit will not be able to cool the air. The compressor is responsible for compressing the refrigerant and circulating it through the system. Several factors can cause the compressor to fail, including electrical issues and mechanical failures.
2. Compressor motor failure
A failing compressor motor can also be a reason why your RV AC is not blowing cold air. Signs of a faulty compressor motor include loud noises, excessive vibrations, or the AC unit not turning on at all. Replacing the compressor motor is necessary to restore proper cooling functionality.
E. Insufficient Power Supply
1. Low battery voltage
If your RV’s battery voltage is low, it may not be able to power the AC unit effectively. Checking and charging the RV battery can increase the power supply, allowing the AC to blow cold air. If the battery is old or worn out, replacing it may be necessary.
2. Inadequate generator power
If you rely on a generator to power your AC unit, insufficient power output from the generator can lead to the AC not blowing cold air. Determining if the generator can handle the AC load and upgrading to a more powerful generator if necessary can resolve this issue.
II. Lack of Maintenance and Cleaning
A. Dirty Air Filters
1. Effects of dirty air filters on AC performance
Dirty air filters can significantly impact the performance of your RV AC. They restrict the airflow, reduce cooling efficiency, and put extra strain on the AC unit, potentially leading to malfunctions or breakdowns.
2. How to clean or replace air filters
To maintain optimal cooling performance, it’s important to regularly clean or replace the air filters in your RV AC. Refer to the manufacturer’s instructions for proper maintenance procedures. Typically, air filters can be cleaned by gently vacuuming or rinsing them with water. If the filters are too dirty or damaged, they should be replaced with new ones.
B. Blocked or Restricted Airflow
1. Obstructions in the air vents or ducts
Obstructions in the air vents or ducts can impede the airflow and prevent your RV AC from blowing cold air. Inspect the vents and ducts for any blockages, such as furniture, curtains, or debris. Clearing these obstructions will improve the airflow and enhance cooling performance.
2. Clearing obstructions for better airflow
If you find any obstructions in the air vents or ducts, remove them to ensure unobstructed airflow. Regularly clean the vents and ducts to prevent accumulation of dust or debris that can hinder the cooling process.
III. Refrigerant Leak
A. Signs of a Refrigerant Leak
1. Warm air blowing from vents
If warm air is blowing from the vents instead of cold air, it may indicate a refrigerant leak. Insufficient refrigerant levels can prevent the AC from cooling the air effectively.
2. Ice buildup on the evaporator coil
An excessive buildup of ice on the evaporator coil is another sign of a refrigerant leak. When there is a leak, the refrigerant may not circulate properly, causing the coil to freeze up.
B. Causes of Refrigerant Leaks
1. Age and wear of the system
Over time, the components of your RV AC can deteriorate, leading to potential refrigerant leaks. The age and condition of the system play a crucial role in the likelihood of refrigerant leaks.
2. Poor installation or maintenance
Incorrect installation or inadequate maintenance can also contribute to refrigerant leaks. It’s essential to ensure that your AC system is installed correctly and undergoes regular maintenance to prevent leaks from occurring.
3. Physical damage to the refrigerant lines
Physical damage, such as punctures or corrosion, to the refrigerant lines can cause refrigerant leaks. Inspect the lines for any signs of damage and repair or replace them as necessary.
IV. Electrical Issues
A. Faulty Thermostat
1. Testing the thermostat for functionality
If you suspect a faulty thermostat, you can test it for functionality. Follow the manufacturer’s instructions to perform the test. If the thermostat is not functioning correctly, it should be replaced.
2. Replacing a malfunctioning thermostat
If your thermostat is malfunctioning, it’s best to replace it with a new one. Ensure that the replacement thermostat is compatible with your RV AC unit.
B. Blown Fuse or Tripped Circuit Breaker
1. Identifying and replacing a blown fuse
If the AC unit fails to turn on or blows warm air, a blown fuse could be the cause. Locate the fuse box in your RV and identify the blown fuse. Replace it with a new fuse of the same rating.
2. Resetting a tripped circuit breaker
If a circuit breaker trips, it cuts off the power supply to the AC unit. Locate the circuit breaker panel in your RV and reset the tripped breaker by flipping it back to the “ON” position.
C. Wiring Problems
1. Inspecting and repairing damaged wiring
Damaged or loose wiring connections can disrupt the electrical flow to your RV AC. Inspect the wiring for any visible damage or loose connections. Repair or replace the damaged wiring and ensure all connections are secure.
2. Ensuring secure connections
Check all the electrical connections associated with your RV AC unit. Ensure that they are secure and tightly connected to avoid any interruptions in the power supply.
V. Compressor Problems
A. Compressor Not Running
1. Common causes of a non-operational compressor
If the compressor in your RV AC is not running, several factors could be responsible. Faulty wiring, a malfunctioning start capacitor, or a faulty compressor motor can all cause the compressor to fail to start.
2. Testing and troubleshooting the compressor
If you suspect a problem with the compressor, it’s best to consult a professional technician. They can perform tests and troubleshoot the compressor to identify the root cause of the issue and recommend the appropriate solution.
B. Compressor Motor Failure
1. Signs of a failing compressor motor
A failing compressor motor can result in your RV AC not blowing cold air. Signs of a failing motor include loud noises, excessive vibrations, or the AC unit not turning on at all.
2. Replacing a faulty compressor motor
If your compressor motor is faulty, it will need to be replaced. It’s crucial to hire a qualified technician to ensure the proper installation and functioning of the new motor.
VI. Insufficient Power Supply
A. Low Battery Voltage
1. Checking and charging the RV battery
If your RV’s battery voltage is low, it may not be able to provide sufficient power to the AC unit. Use a multimeter to check the battery voltage and charge it if necessary.
2. Replacing a worn-out battery
If your RV battery is old or worn out, it may not hold a charge effectively. In such cases, it’s recommended to replace the battery with a new one to ensure a reliable power supply.
B. Inadequate Generator Power
1. Determining if the generator can handle the AC load
If you rely on a generator to power your RV AC, ensure that it can handle the AC load. Check the generator’s specifications and compare them to the power requirements of your AC unit to determine if it’s sufficient.
2. Upgrading the generator for sufficient power output
If your current generator does not provide adequate power for your AC unit, consider upgrading to a more powerful generator. Consult with a professional to determine the appropriate generator size for your RV’s needs.
How to Find AC Leaks in Your Car (UV Dye)
Frequently Asked Questions (FAQ)
Why is my RV AC not blowing cold air?
Can I fix my AC myself?
How often should I have my RV AC serviced?
What can I do to improve AC cooling efficiency?
Can extreme outside temperatures affect AC performance?
Final Summary: Possible Causes and Solutions for Your RV AC Not Blowing Cold Air
In conclusion, there are several common reasons why your RV AC may not be blowing cold air. One of the primary culprits is a lack of maintenance and cleaning, particularly dirty air filters and blocked or restricted airflow.
Regularly cleaning or replacing your air filters and clearing any obstructions in the vents or ducts can greatly improve the cooling efficiency of your AC unit. Another potential cause is a refrigerant leak, which can be identified by reduced cooling performance, ice buildup on the evaporator coil, and hissing or bubbling sounds.
Age and wear of the system, poor installation or maintenance, and physical damage to the refrigerant lines are all possible reasons for refrigerant leaks. Identifying and fixing the source of the leak is essential for restoring proper cooling functionality. Electrical issues, such as a faulty thermostat, blown fuse, tripped circuit breaker, or wiring problems, can also prevent your RV AC from blowing cold air.
Testing the thermostat, replacing blown fuses or resetting tripped circuit breakers, and inspecting the wiring for damages are necessary steps to resolve these issues. Lastly, compressor problems and insufficient power supply can also cause your RV AC to malfunction. Non-operational compressors and failing compressor motors can be identified by various signs and should be addressed by a qualified technician.
