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Is your air conditioner letting you down this summer? As temperatures rise, a broken AC unit can turn relaxing days into miserable sweat fests. When the magic of cool air shuts off, it often seems like your AC compressor has gone kaput for good. Before panic sets in and you drag a new air conditioner home from the store, take a deep breath. 

Compressor repair may get your AC running again. Understanding what the compressor does, why it fails, and how technicians can fix common issues can help you make the smartest choice when problems pop up. Read on to get the insider knowledge you need to battle AC compressor troubles.

Ac Repair Abu Dhabi

What Does The AC Compressor Do?

The AC compressor is a vital component of any air conditioning system. It is responsible for pumping refrigerant through the system to enable heat transfer. Here’s a quick overview of how it works:

  • Sits outside as part of the condenser unit
  • Contains a pump driven by an electric motor
  • Draws low-pressure refrigerant from the evaporator coil
  • Compresses the refrigerant to a high-pressure, high-temperature state
  • Pushes the refrigerant through the condenser coil
  • Allows the refrigerant to cool back into a liquid state

Why Do AC Compressors Fail?

Like any machine, AC compressors can and do wear out over time. However, compressor failures often result from underlying issues that lead to undue strain on the compressor. Here are some of the most common causes of AC compressor breakdowns:

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Refrigerant Issues

Like any machine, AC compressors can and do wear out over time. However, compressor failures often result from underlying issues that lead to undue strain on the compressor. Here are some of the most common causes of AC compressor breakdowns:

Low refrigerant levels:

  •  Not having enough refrigerant forces the compressor to work harder to try to keep the system going. The extra strain can cause premature failure.

Refrigerant leaks:

 Leaky seals or coils allow refrigerant to escape slowly over time. This has the same effect as a low refrigerant and can quickly damage the compressor.

Contaminated refrigerant:

 Dirt, air, moisture, or other contaminants in the refrigerant system hinder proper circulation and cooling. This strains the compressor over time.

Electrical Problems

Voltage spikes

Surges in power from the utility company or other causes can fry internal compressor components.

Bad wiring:

Loose, frayed, or otherwise faulty wiring prevents proper power supply to the compressor. This can eventually lead to burning out the motor.

Failed start capacitor:

The start capacitor provides the jolt of power needed to start the compressor motor. If it fails, the compressor may not turn on.

Bad contactor:

The contactor acts as an electrical switch for the motor. If stuck in the open position, no power gets to the compressor.

Mechanical Issues

  • Bad bearings: When bearings get excessively worn or seize up, they put damaging lateral forces on the compressor shaft. This can tear off internal components.
  • Broken valve plates: These internal compressor parts regulate refrigerant flow. If they break, uncontrolled refrigerant circulation rapidly damages other components.
  • Shaft seal leaks: The shaft seal prevents the refrigerant from leaking where the shaft exits the compressor body. If it leaks, refrigerant leaks out, causing strain on the system.
  • Failed motor: Compressor motors have a finite lifespan. Eventually, they wear out and no longer start or run properly.

Signs Your AC Compressor Is Failing

Pay attention to signs of a failing AC compressor. Catching problems early enables repairs before major damage occurs. Things to watch out for include:

  • Higher electric bills from longer AC run times
  • AC is unable to keep your home cool.
  • Excess moisture or odd smells from AC vents
  • Unusual noises when the AC cycles on
  • AC is turning on and off rapidly.
  • Visible damage to the AC unit exterior

Can We Repair AC Compressor?

Often, a failing AC compressor can be repaired instead of requiring a full replacement. Here are some considerations technicians use to decide if compressor repair is worthwhile:

  • Age of the system – Repairs rarely make sense on compressors over 10 years old. The rest of the system is also nearing the end of its lifespan.
  • Cost of repair vs. replacement – Major repairs on older compressors often approach the cost of a new compressor. Replacement is the better value.
  • Availability of replacement parts – Some compressor models have been discontinued. Parts may no longer be available to repair them properly.
  • Type of failure – Electrical failures are often repairable by replacing a bad component. However, major internal mechanical damage usually necessitates total replacement.
  • Refrigerant type – Repairing older R-22 system compressors usually isn’t worthwhile since R-22 is being phased out.
  • Other system components – Repairing the compressor may take some time. But if the evaporator coil or other parts are also failing, replacement of the whole system is the wiser choice.

How Can Car AC Compressor Be Repaired?

Cars use air conditioning systems similar to home units. The AC compressor is part of the engine and circulates refrigerant to cool the interior. Like home compressors, car compressors can break down due to leaks, electrical issues, worn bearings, and other mechanical problems. 

Mobile AC repair shops can often fix car compressor problems by recharging refrigerant, replacing bad electrical components, or rebuilding the compressor. However, major internal damage may require installing a rebuilt or new compressor. If you want to know how much does AC repair cost, know that the repair cost is also affected by the vehicle’s make, model, and mileage.

When To Replace Your AC Compressor

If the cost of repairing an older compressor is close to the cost of replacing it, replacement is usually the smartest option. It also makes sense to replace your compressor if:

  • Your AC system is over 10 years old.
  • The compressor has suffered catastrophic internal damage.
  • Refrigerant leaks cannot be repaired.
  • Other components are also failing.

Get Expert AC Repair Help from ALHUD Services

The friendly staff of ALHUD Services will schedule a timely visit by a licensed AC repair technician. The technician will come equipped with advanced tools to diagnose what is wrong with your AC system. Whether it’s a window unit, split unit, or central air system, they have the skills to inspect, troubleshoot, and identify any faults.

The technician will provide a clear explanation of what repairs are needed and a transparent upfront quote for parts, labor, and any other charges. Once you approve the quote, the technician will get to work replacing any faulty parts and making adjustments to get your AC running optimally again. ALHUD Services uses only high-quality replacement components, so repairs last.

With Alhud Services, you get licensed technicians, guaranteed workmanship, and access to emergency repairs 24/7. Contact ALHUD Services today to schedule AC Duct Services &  repair in Abu Dhabi!

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