Can I replace a compressor and not the entire unit?

Author: Nathanael Willms III  |  Last update: Thursday, June 18, 2026

Replace the Compressor or Replace the AC Unit? Consider replacing just the compressor if the existing AC unit and component parts are still under warranty. In this instance, the new compressor should not cost you anything but you will still need to pay for the labor to do the job.

Should I replace the compressor or the whole unit?

If the compressor is not under warranty, you may still choose to replace it. However, you should probably opt to replace the entire outdoor unit at the same time. In most cases, this will cost only marginally more than replacing an out-of-warranty compressor alone.

Can I replace an AC compressor only?

You can, yes. But the compressor is such a hugely expensive part of the condenser unit that you might as well replace the entire unit itself.

Should I replace the condenser or the whole unit?

Replacing the whole unit — In many cases, especially with older units, replacing the entire condenser is more cost-effective in the long run. It ensures compatibility of components and restores overall system efficiency.

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.

Failed Compressors - Don't JUST REPLACE IT

Does homeowners insurance cover replacing AC unit?

Does homeowners insurance cover air conditioner replacement? If your air conditioner is damaged or destroyed due to a covered peril, such as lightning or a windstorm, your homeowners insurance policy may pay to repair or replace the unit, up to your coverage limit and minus your homeowners insurance deductible.

Can you replace the AC unit only?

Can I replace just my air conditioning unit? You can. However, there are rebates available in some areas that reward folks for changing out their AC unit. In those situations, those folks will be required to change out their furnace with their air conditioning system at the same time.

Can I just replace the inside AC unit?

The evaporator inside absorbs heat from your home, while the condenser outside releases that heat into the air. They rely on each other to function properly, so if one is replaced without the other, it can throw the system off balance. This can lead to inefficiency and even premature failure of the remaining unit.

Do I need to replace the condenser when I replace the compressor?

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.

How much does a compressor cost for an air conditioner?

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.

Why is it so expensive to replace AC compressor?

Why is it so expensive to replace an AC compressor? An AC compressor is expensive to replace because it takes at least four hours to complete, and replacement parts are among the most expensive parts of the air conditioner.

Can I run my AC with a broken compressor?

The compressor is a vital part of your AC unit, responsible for compressing the refrigerant and circulating it through the system. When it fails, your cooling system can't function properly, and you'll be left in an uncomfortable, hot home. When your compressor dies, it often means the AC must be fully replaced.

What burns out an AC compressor?

The following are common causes of compressor burnouts: Poor maintenance of the HVAC system, leading to damaging buildup on the compressor. Power surges causing electrical failures to burn out the compressor. Excess moisture causing chemical reactions to form acid byproducts, eating away the compressor.

Can I replace my AC compressor only?

While you could opt for replacing just the compressor in this case, bear in mind that the cost of a new compressor, as well as the cost for labor and materials, may be close in range to the cost of installing a new AC unit.

How long does it take to replace a compressor in an AC unit?

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.

What to do before replacing a compressor?

Inspect and Troubleshoot First
  1. Check the Power Connections. Failing to start is one of the most common air compressor problems you can encounter. ...
  2. Inspect the Hoses. ...
  3. Replace the Intake Valves. ...
  4. Constant Breakdowns. ...
  5. Oil and Metal Deposits. ...
  6. High Energy Consumption.

Can you replace an AC compressor without an evacuating system?

Before you replace the AC compressor, it is important to have a professional evacuate the AC system. This step safely removes refrigerant and adheres to environmental laws, ensuring a safe and compliant process. Proper evacuation ensures no illegal release of refrigerants into the atmosphere.

Do you need to replace the dryer when replacing an AC compressor?

We recommend doing it every 2 years or whenever the circuit has been opened. It's worth noting that if you don't replace the drier when you change a compressor you will invalidate your warranty protection.

Is it worth replacing the compressor on a car AC unit?

Automotive air conditioning repair

There are so many advantages to getting a new AC compressor for your car. Here's why it's worth considering: Improved Cooling: The new compressor brings back your AC's cooling ability. There will be fresh air at times of warm weather which makes drives much more bearable.

Do you have to replace the whole AC unit?

A good rule of thumb is if your AC unit is over 8 years old, you should replace the entire unit. Since they are generally expected to last from 10 to maybe 12 years on the outside, the 8-year mark is not an unreasonable time to replace the unit knowing replacing parts can simply cause more damage.

Is a new AC unit covered by home insurance?

Home insurance will cover your AC unit if it's damaged by fire, lightning, vandalism, storms or other scenarios, or “perils,” your policy covers. For instance, if a tree lands on your AC unit during a storm, your home insurance will likely cover the cost to repair or replace it.

Should I replace my 20 year old air conditioner?

On average, you can only expect about 15 years of reliable service from a central AC system. And that's only if you maintain your system well. So, if your home has an AC that's 20 years old or older, it's likely living on borrowed time. Here are all the reasons to replace your home's 20-year-old air conditioner.

How many years should an AC unit last?

While every unit is different, and every homeowner has a different understanding of when their central air conditioner is broken beyond repair, it's fair to say that, with proper maintenance and care, you can expect a good 15 to 20 years of cooling from a new high efficiency air conditioning system.

Why is my outside AC unit not working but inside is?

Over time, the fan motor on the outside AC unit can wear out, causing the outdoor unit to stop working even when the inside AC unit is on. The fan motor can last 10 to 20 years with proper maintenance, like annual inspections and regular AC unit cleanings, but it will wear down faster without regular maintenance.

Can you replace just the outdoor AC unit?

If your AC is newer, you may be able to replace just the outdoor unit. In many cases, this could lead to decreased energy efficiency or early AC failure. Installing a new AC costs between $3,800 to $7,500. Replacing just the outdoor unit can sometimes void the warranty.

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