How many years does an AC compressor last?

Author: Adriana Pollich  |  Last update: Wednesday, February 4, 2026

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 an AC compressor be replaced?

According to manufacturers, it typically has a 10- to 15-year life span. If the compressor is within or nearing its maximum age and suddenly breaks down, the damage is probably irreparable, and it would be best to replace the entire AC unit.

What is the $5000 rule for AC?

The $5,000 rule is a rule of thumb in the HVAC industry to help homeowners decide whether HVAC repair or HVAC replacement makes more sense in the long run. The $5,000 rule: Multiply the age of your equipment by the estimated repair cost. If the number is more than $5,000, then you should consider replacing your unit.

What is the life expectancy of an AC compressor?

Your air conditioner compressor should last the whole lifespan of your air conditioner, about twelve years or more if you choose a ClimateCare air conditioner. However, it might not last that long if your air conditioner is too small for the space it's cooling, or if you don't keep your air conditioner well-maintained.

What are the symptoms of a bad AC compressor?

Signs of a bad or failing AC compressor include warm air blowing from the vents, strange noises, and visible leaks. To fix these issues, a professional HVAC technician may need to repair or replace the compressor, recharge the refrigerant, and address any underlying problems such as leaks or electrical issues.

How long does an AC compressor last?

How much does it cost to replace an AC compressor?

On average, AC compressor costs range from $800 to $2,300, with most folks paying $1,200 for a new one. However, your price will vary depending on factors like the size and brand of your compressor. Before you schedule your replacement, read on to learn about all AC compressor cost factors.

How do you know if your AC compressor needs to be replaced?

Signs Your AC Compressor Needs to Be Replaced
  1. You've Noticed Reduced Airflow or No Cold Air. ...
  2. You're Having Problems With the Circuit Breaker. ...
  3. You're Hearing Strange Noises. ...
  4. Your Home Air Conditioner Has Moisture Issues. ...
  5. Your Air Conditioner Won't Start.

Is it worth replacing a compressor on an AC unit?

The warranty, type of compressor, unit size, refrigerant type, brand, and season all impact a compressor's replacement cost. If your AC is over nine years old, replacing the unit is usually more economical. You might want to replace only the compressor if it's under six years old.

Can a compressor last 20 years?

Generally speaking, the average air compressor can last anywhere from five to twenty years with proper maintenance. Factors such as compressed air temperature, humidity, and usage affect how long an industrial air compressor lasts.

Which AC brand lasts the longest?

Which HVAC Brands Last the Longest?
  • Mitsubishi Electric: Superior Efficiency and Durability. ...
  • Goodman Air Conditioning and Heating: Affordable and Long-Lasting. ...
  • Rheem: Reliable Performance for Decades. ...
  • Honeywell: Smart Home Integration and Durability. ...
  • Lennox: High-End Performance for the Long Haul.

Is it worth repairing a 10 year old air conditioner?

If your aircon is older than 10 years and plagued with ongoing issues, you might want to consider replacing your air conditioner. A benefit of replacing your aircon is that you will get a more energy efficient model which would ultimately save you a lot of money on power bills.

What is the most expensive part to replace on an AC unit?

Usually, it is a quick fix, but sometimes the failure can be caused by a much bigger problem. The most expensive part of an AC unit to replace and repair is the air compressor.

Can I replace an AC compressor without replacing the condenser?

The condenser is the outdoor cabinet of an AC and the parts inside: the compressor, the condenser fan, and the condenser coil. If the compressor fails, you can opt to have only the condenser replaced, leaving the indoor components in place. This costs less than a full AC replacement, but we rarely recommend it.

Can an AC unit last 30 years?

Central air conditioning systems can last anywhere between 10 to 30 years, with most averaging around 10 to 15 years total (1). Keep in mind, the lifespan of your air conditioner depends on how much you use it, your local climate, what type of AC it is, and if your house is well insulated and air sealed.

How do I know if my AC compressor is going out?

What are some symptoms of a failing AC compressor? Loud noises, hot air, airflow issues, uneven cooling, and electrical problems are all things you might run into when an AC compressor is on its last leg.

How can I extend the life of my AC compressor?

10 Tips To Extend The Life Of Your Car's AC Compressor
  1. Keep Your Car Clean. ...
  2. Check the Oil Level in Your Car Regularly. ...
  3. Check the Compressor Belt. ...
  4. Clean the Condenser. ...
  5. Replace the Compressor Oil. ...
  6. Replace the Compressor Filter. ...
  7. Check Coolant Levels. ...
  8. Check the Hoses.

How much does a home AC compressor cost?

On average, an AC compressor replacement will cost about $800 to $2,300,1 though most folks will pay about $1,2001 for parts and labor. Find out more about AC compressor costs to determine if replacing the compressor is a better choice than purchasing a new air conditioner.

What is the life expectancy of a HVAC compressor?

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.

Can I run my AC with a bad compressor?

If the compressor is not working, the fan will not be able to do its job properly and cool air will not be circulated. In some cases, the AC fan may still run even if the compressor is bad, but it will not be as effective in cooling your home.

How many hours does it take to replace AC compressor?

The Answer Is Seldom A Simple One

It entails removing and disposing of any remaining refrigerant, disconnecting and removing the old compressor, installing the new one with proper fittings, and recharging with refrigerant. Add it all up and it typically takes four to six hours.

Can I just replace an AC compressor at home?

Typically, replacing a compressor should be done by a professional, but you can perform this task at home if you are competent working with your hands. Doing the job yourself can also save you a decent amount of money.

How do you diagnose a bad AC compressor?

What Are the Signs and Symptoms of a Bad A/C Compressor?
  1. A Lack of Hot Air Being Released Outside. ...
  2. Loud or Strange Noises From the Unit. ...
  3. Failure of the Compressor to Turn On. ...
  4. Power. ...
  5. Dead Compressor. ...
  6. Capacitor and Starter Relay Problems. ...
  7. Dirty Coil and Filters. ...
  8. Circuit Breaker Tripping.

How to tell if AC needs recharge or new compressor?

How to Tell if Your Car A/C Needs Recharging
  1. Your car is blowing warm or hot air instead of cold. ...
  2. Your car is visibly leaking refrigerant. ...
  3. The A/C clutch is not engaging. ...
  4. There's a weird smell coming from your vents.

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.

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