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How many years should an AC compressor last?

An air conditioning (AC) compressor is a critical component of any central air conditioning system, responsible for circulating refrigerant and maintaining the cooling process. The lifespan of an AC compressor can vary, but on average, it should last between 10 to 15 years with proper maintenance and care.


Factors Affecting AC Compressor Lifespan


Several factors can influence the longevity of an AC compressor, including:



  • Usage and Maintenance: Compressors that are used more frequently, such as in hot climates, will generally have a shorter lifespan than those used less often. Regular maintenance, such as cleaning the condenser coils and changing the air filters, can help extend the compressor's life.

  • Quality of Installation: Proper installation of the AC system, including the compressor, is crucial. Improper installation can lead to issues like refrigerant leaks, which can damage the compressor over time.

  • Environmental Conditions: Extreme temperatures, humidity, and exposure to harsh elements can all take a toll on the compressor, reducing its lifespan.

  • Electrical Issues: Power surges, voltage fluctuations, and other electrical problems can cause premature wear and tear on the compressor.


By understanding these factors and taking steps to maintain the AC system, homeowners can help extend the lifespan of their AC compressor.


Signs of a Failing Compressor


As an AC compressor nears the end of its lifespan, there are several signs that may indicate it's time for replacement, including:



  • Increased Energy Consumption: A failing compressor will have to work harder to maintain the desired temperature, leading to higher energy bills.

  • Unusual Noises: Grinding, squealing, or banging sounds coming from the compressor may indicate internal issues.

  • Reduced Cooling Capacity: If the AC system is no longer able to effectively cool the home, the compressor may be the culprit.li>
  • Frequent Cycling: A compressor that cycles on and off more frequently than normal may be a sign of impending failure.


If homeowners notice any of these signs, it's important to have a professional HVAC technician inspect the system and determine if the compressor needs to be replaced.

Is it common for an AC compressor to go bad?


Compressors are actually very dependable (lasting on average between 12-15 years) so typically, when your AC compressor has gone bad there's an underlying cause that needs to be addressed lest the problem reemerge even after the unit has been replaced.



How much should it cost to replace an AC compressor?


Cost Of Replacement Of Home AC Compressor
Generally, the cost of a home AC compressor is around $1,200. The cost to replace it ranges between $800 and $2,800. The labor and material make up around 50 percent of the final bill. The cost of its parts ranges from $450 to $1,500.



What is the life expectancy of an AC compressor?


15 years
Most compressors have the same or similar life expectancies as traditional AC units. They typically break down after 15 years but can last longer with proper maintenance. Many people believe replacing their air conditioner's compressor is more cost-effective once it gives out.



How often should AC compressor be replaced?


Generally, a well-maintained car AC system can last 10-15 years before needing a complete replacement. Regular check-ups and maintenance can extend its lifespan. How long does it take a mechanic to replace an AC compressor? Typically, replacing an AC compressor can take about 3-5 hours.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.