Nothing is worse than coming home on a hot summer day only to realize your air conditioner isn’t cooling properly. If your AC is running but not keeping your home comfortable, the compressor could be the culprit. Since the compressor is the heart of your cooling system, when it fails, your AC can no longer function effectively. But how to know if your AC compressor is bad? There are several warning signs you should watch for before the problem worsens.
In this guide, we’ll explore the common symptoms of a failing AC compressor, what causes these issues, and why calling a professional technician is the best solution. If you suspect compressor trouble, Riverside Comfort Care in Van Buren, AR, is here to help.
How to Know If Your AC Compressor Is Bad? How the AC Compressor Works
Before diagnosing a potential issue, it’s important to understand the role of the AC compressor. The compressor is responsible for circulating refrigerant through your system, allowing heat to be absorbed inside your home and released outdoors. This process keeps your living space cool and comfortable.
If the compressor isn’t working correctly, your AC won’t be able to produce cold air efficiently—or at all. Recognizing early signs of compressor failure can prevent complete system breakdowns and costly repairs. If you’re unsure how to know if your AC compressor is bad, keep reading for the key warning signs.
How to Know If Your AC Compressor Is Bad?
When an AC compressor starts to fail, it often exhibits clear warning signs. Here’s what you should watch for:
1. Warm Air Coming from the Vents
One of the first signs of a bad compressor is when your AC blows warm or weak airflow instead of cool air. Since the compressor is responsible for pressurizing the refrigerant, a malfunction can prevent proper cooling. Before assuming the compressor is the issue, check if the thermostat is set correctly and the air filter is clean.
2. Unusual Noises from the Outdoor Unit
Your AC system should run relatively quietly. However, if you start hearing strange sounds—such as rattling, clicking, or loud buzzing—your compressor may be struggling. Here’s what different noises might indicate:
- Rattling or clunking – Loose components inside the compressor.
- Clicking sounds – Electrical issues preventing the compressor from starting.
- Buzzing or humming – The compressor is overheating or failing internally.
3. AC Unit Frequently Trips the Breaker
Does your circuit breaker keep tripping when you turn on the AC? A faulty compressor could be drawing too much power, causing electrical overload. While it might be tempting to keep resetting the breaker, this could lead to further damage or a fire hazard. Instead, call a professional to inspect the issue.
4. AC Won’t Start or Struggles to Turn On
If your AC unit hesitates to start or won’t turn on at all, the compressor could be failing. This can be due to electrical faults, overheating, or wear and tear. A professional HVAC technician can determine if a repair is possible or if a full replacement is necessary.
5. Ice Build-Up on Coils or Refrigerant Leaks
A bad compressor can cause refrigerant issues, leading to ice formation on the evaporator coils. If you notice frost or refrigerant pooling around your outdoor unit, your system is likely struggling to function properly. Low refrigerant levels can cause the compressor to overheat and fail completely.
6. Higher Energy Bills Without Explanation
A failing AC compressor forces your system to work harder, consuming more energy. If you notice a spike in your electricity bill despite normal usage, the compressor might be struggling to maintain efficiency. Getting it checked early can prevent further damage and higher costs.
How to Know If Your AC Compressor Is Bad? What Causes an AC Compressor to Fail?
Several factors can contribute to AC compressor failure. Here are some of the most common reasons:
1. Lack of Maintenance
Skipping routine maintenance is one of the biggest causes of compressor failure. Dirty coils, clogged air filters, and neglected tune-ups can make the compressor work harder, leading to overheating and eventual failure. Regular maintenance helps prevent these issues.
2. Low or Leaking Refrigerant
Refrigerant is essential for your AC to function properly. When levels drop due to a leak, the compressor has to work harder, increasing the risk of overheating and burnout. If you suspect a refrigerant leak, don’t try to fix it yourself—call a licensed professional.
3. Electrical Problems
Wiring issues, voltage fluctuations, and power surges can damage the compressor. If your AC is experiencing frequent electrical problems, it’s best to have a technician inspect the system to prevent further damage.
4. Normal Wear and Tear
Like any mechanical component, AC compressors don’t last forever. Over time, normal wear and tear can cause efficiency loss and eventual failure. If your unit is over 10-15 years old, replacing the compressor or the entire AC system may be the most cost-effective option.
How to Know If Your AC Compressor Is Bad? What to Do
If you’re experiencing one or more of these signs, you might be wondering what to do next. Here’s how to handle the situation:
1. Try Basic Troubleshooting
Before calling a professional, check these simple fixes:
- Ensure the thermostat is set to “cool” and at the correct temperature.
- Replace the air filter if it’s dirty or clogged.
- Check the circuit breaker to see if it has tripped.
If none of these steps resolve the issue, the compressor may be to blame.
2. Call a Professional HVAC Technician
Diagnosing an AC compressor problem isn’t a DIY job. A professional can accurately assess whether the compressor can be repaired or if a full replacement is needed. If you’re still wondering how to know if your AC compressor is bad, an experienced technician can provide a proper diagnosis. Riverside Comfort Care offers expert AC inspections and repairs in Van Buren, AR.
3. Consider Repair vs. Replacement
If your compressor is relatively new and the repair cost is reasonable, fixing it might be the best option. However, if your unit is old or repairs are too expensive, replacing the AC system may be more cost-effective in the long run. A professional can help you make the right decision based on your needs.
How to Know If Your AC Compressor Is Bad? How to Prevent Future AC Compressor Issues
To keep your AC running efficiently and extend the life of your compressor, follow these maintenance tips:
1. Schedule Annual Maintenance
Routine AC maintenance can catch small problems before they become major issues. Having your system serviced by a professional at least once a year ensures optimal performance and longevity.
2. Keep Your Outdoor Unit Clean
Dirt, debris, and overgrown vegetation can restrict airflow and cause the compressor to overheat. Make sure to clean around your outdoor unit and remove any obstructions.
3. Address Issues Early
If you notice weak airflow, strange noises, or rising energy bills, don’t ignore them. Catching compressor issues early can prevent expensive repairs and system failure.
How to Know If Your AC Compressor Is Bad? Call Riverside Comfort Care for Expert AC Repairs
If you’re unsure how to know if your AC compressor is bad or need professional help, Riverside Comfort Care is here for you. Our experienced HVAC technicians provide reliable AC inspections, repairs, and replacements in Van Buren, AR.
Don’t wait for your AC to fail—call us today at (479) 353-5266 to schedule an appointment!
