In Florida’s sweltering and humid summers, hiding inside a cool room is the only way to get some relief from the heat. That’s why around 96% of Florida households rely on AC systems to escape the warm weather.
However, when they run the cooling system all day, every day, some malfunctions are bound to happen at the most inconvenient times.
Simple troubleshooting tips
A guide will cover the most common reasons AC units malfunction and teach the basics of crisis AC repair
If the AC in the house stops working without warning, the home will quickly become uncomfortably hot. Knowing what to do when the system fails can make all the difference.
This guide will cover the most common reasons AC units malfunction and teach the basics of emergency AC repair. Knowing the options will help repair the issues and turn the home into a cool oasis once again. From simple troubleshooting tips to identifying when to call for professional help, let’s learn what to do if the system fails.
Signs the AC May Be Failing
It may seem like AC breakdowns happen out of nowhere, but that’s not exactly true in each case. There will be subtle warning signs before the AC stops working completely. If they recognize them on time, they can avoid a total malfunction. These warnings include:
- Unusual noises like rattling, hissing, or buzzing can indicate internal problems, suggesting that components may be loose or damaged.
- Insufficient cooling suggests the system may have difficulty circulating air effectively if certain rooms aren’t reaching the desired temperature.
- Frequent cycling often signals an issue with the thermostat or the compressor.
- If the thermostat displays incorrect temperature readings, it could lead to improper cooling and require immediate attention.
Common Causes of AC Failure
ACs have many working parts that must function properly for the system to cool. They can stop working for several reasons, from dirty filters to worn-out motors. Checking for these frequent issues can help determine if the AC is facing other, more severe problems.
- Blown fuses or tripped breakers might disrupt the power supply. Resetting breakers or replacing fuses can quickly fix these electrical problems.
- Refrigerant leaks can also lead to underperformance. If they notice ice forming on the coils or a hissing sound, they might have a leak that can cause the compressor to overheat.
- Dirty filters and coils have a negative impact on airflow. Regularly replacing or cleaning filters can improve air quality and performance, while dirty coils can prevent heat exchange, forcing the system to work harder.
- Mechanical failures happen because of worn-out components, such as motors, capacitors, and fans. Signs include unusual noises or the unit not turning on at all.
Immediate Actions to Take
Once they notice problems with the AC or if it stops completely out of nowhere, don’t panic. As the homeowner, they can try to repair the problem on their own. If they’re lucky, it will be an easy and fast fix, and they can resume enjoying the cold house in no time.
Power Off the System
The first action should be to turn off the AC system to prevent further unit damage and minimize potential electrical hazards or compressor breakdowns. Different cooling systems work differently:
- To safely shut down an AC unit, locate the thermostat and set it to the “off” position.
- If they have a central air conditioning system, find the circuit breaker that controls the AC and switch it off.
- If they have a window unit, just unplug it and see what happens.
Give the system a break before considering further troubleshooting to help cool down any components that may have overheated.
Check for Simple Solutions
Dirty air filters limit proper air circulation and cause the system to struggle
Next, assess the situation for simple fixes. Set to “cool” mode and ensure it functions correctly. If they get no response, try replacing the batteries. If that’s not effective, recalibrate the thermostat.
After that, inspect the circuit breakers or fuses for any tripped switches. If everything looks good there, check the air filter. Dirty air filters limit proper air circulation and cause the system to struggle, so they should be replaced. Also, see if the air vents are open and unobstructed.
Troubleshooting Common Problems
Once they recognize the issues affecting the AC, it’s time to fix them. If the solution to the AC woes is simple, they can tackle it themselves. Always prioritize safety when attempting to resolve any AC problem.
If they feel uncertain, it’s better to consult a professional. However, if they’re comfortable with it, here are some common issues and how to approach them.
Addressing a Complete Shutdown
Remove the batteries and wait a while before replacing them to give the unit a fresh start
If the AC is not powering up, check if it has electricity. They might need to reset the circuit. Sometimes, the problem may stem from a blown fuse, so check that as well. If everything is good with the electrical supply, go to the thermostat and check the settings. Sometimes, the setting can accidentally get changed.
If they’ve made adjustments and it still doesn’t work, try resetting the system. Remove the batteries and wait a while before replacing them to give the unit a fresh start. If the AC still doesn’t turn on, they may need to look deeper into electrical connections or call a certified AC technician.
Dealing with Reduced Airflow
If the AC is not blowing air as it should, check for any obstructions in the vents. Built-up debris or even furniture blocking the vents can noticeably reduce the airflow. Clear any items that may be impeding air circulation.
Furthermore, check if the air filter is dirty or clogged. A clean filter will improve airflow and increase the energy efficiency of the AC system by 15%. Remember to check the outdoor unit as well – it should be free from leaves, dirt, and other debris to prevent unnecessary strain on the system.
Handling Inconsistent Temperatures
If the home feels unevenly cooled, check the thermostat’s placement. It should never be in direct sunlight or heat sources, as that can lead to inaccurate readings. If the thermostat isn’t functioning properly, they should try to recalibrate it.
If they notice inconsistent temperatures in each room, consider adjusting the airflow through the vents. Balancing airflow can create a more comfortable environment throughout the home.
Signs the AC Needs Professional Help
Experienced professionals can detect the issue and quickly perform the needed repairs
When the air conditioning system shows persistent issues despite the best troubleshooting efforts, it’s time to call in the pros. Don’t ignore any visible damage to the unit or its components, such as cracks or leaks.
Unusual noises, like grinding or hissing, often indicate underlying mechanical issues that require expert attention. Similarly, strange smells, particularly those resembling burning or mold, can suggest serious electrical or health concerns. Should they notice any of these problems, contact a qualified technician.
Experienced professionals can detect the issue and quickly perform the needed repairs. Regular maintenance can help prevent many common AC issues, but when something seems off, it’s better to be safe than sorry.
Always Be Cool in Vero Beach, Florida
There are many reasons why the AC stops working. Some issues are simple, and they can fix them easily by themselves. However, if the problem is more serious or persists despite the best repair efforts, it’s time to call in the best AC repair crew in Vero Beach, Air Docs Heating and Air.
As a premier HVAC contractor in Sebastian, Vero Beach, Grant and Stuart, they offer a full range of services, including AC installation, repair, and maintenance. The services keep the home comfortable and cool all summer. The certified technicians are ready to address the concerns and provide reliable and efficient solutions.
