What is the most expensive part to replace on an air conditioner?

Author: Earl Lindgren  |  Last update: Thursday, October 9, 2025

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.

What is the most expensive part of the AC unit to replace?

The compressor is the most expensive component to replace in an AC unit, and it can cost up to $4,000. It's expensive for two major reasons. First, it's responsible for circulating the refrigerant between the evaporator and condenser coils. Secondly, it's a highly complex equipment with intricate details.

What parts of an AC unit are worth money?

One of the most in-demand metals contained in these units is copper, and while the amount you will receive varies based upon your exact location and the value of the metal at the time you turn it in, it's generally quite a bit. Both the indoor and outdoor parts of these machines are quite valuable, in fact.

Is it worth replacing the condenser on an AC unit?

If your condenser is old, damaged, or inefficient, the cost to replace ac condenser may be your best option. A new unit can provide you with better cooling, lower energy bills, and improved comfort in your home.

What is the average life expectancy of an AC?

It's important to be aware of how long air conditioners last, so you don't get the unwelcome surprise of a broken air conditioner in the peak of the summer heat. In general, air conditioners that are properly maintained can last 15 to 20 years.

AC Replacement in Clackamas, OR: What's the Most Expensive Part to Replace? | Ultimate Comfort

How much does it cost to replace an entire HVAC system?

According to HomeGuide.com, the average cost to replace the HVAC units is $5,000 to $11,000; to replace the units with ductwork runs between $7,000 and $16,000 in total.

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.

Should I replace condenser coil or whole unit?

A common rule of thumb in the industry is if your AC unit is over 8 years old, it may be more beneficial to replace the entire unit rather than a single component. The reason behind this advice is that air conditioners have an expected lifespan of around 10 to 15 years.

Can I replace just my outside 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.

How do I know if my condenser is bad?

Some warning signs that your air conditioner condenser is faulty include:
  1. Loud or unusual noises coming from the unit, such as grinding, rattling, or hissing.
  2. Noticeable issues with cooling throughout your home, such as temperatures not staying consistent or changing slower than normal.

Which part of AC is costly?

The most expensive part of an AC unit to replace and repair is the air compressor.

Does insurance cover AC unit replacement?

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.

How to get a new AC unit cheap?

Look for seasonal promotions, manufacturer rebates, or financing options that can reduce the cost of a new ac. Choosing a more energy-efficient model with a high SEER rating may offer long-term savings through lower energy bills and rebates from utility companies.

Is it better to repair AC or buy a new one?

Many HVAC technicians use the "5,000 rule" when making this decision. Simply multiply the age of the system by the repair cost. If it's under $5,000, consider a repair; if it's over $5,000, it's probably better off buying a new unit.

How much does it cost to replace the circuit board on an air conditioner?

Replacement AC Circuit Board

The circuit board controls the operation of the blower fan motor as your air conditioner runs. The cost to repair this issue is typically between $100 to $800.

Should I replace a 20 year old AC unit?

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 much does it cost to replace a coil in an indoor air conditioner?

Homeowner: A new evaporator coil replacement costs $630 to $1,700 if it is still under warranty. Homeowner: An indoor AC coil replacement costs $1,230 to $3,700 if it is no longer under warranty.

What is the average life of an outside AC unit?

Unlike furnaces, air conditioners are often outdoors and exposed to extreme temperatures throughout the year, which shortens their life expectancy. Modern air conditioners can last between 15-20 years, and older air conditioners last around 10-12 years.

Do I need to replace the condenser with 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 many hours does it take to replace a condenser?

On average, the installation process to replace a condenser unit takes 3 to 6 hours to complete. Additionally, some contractors require a minimum service fee charge. These can really add up. Consider how much labor will add to the total cost of installation.

What is the life expectancy of an evaporator coil?

If proper maintenance is regularly performed, then the evaporator coils should last 10 to 15 years, which is the ideal lifetime for an evaporator coil and comparable to the lifespan of an AC unit. However, how long your evaporator coils last will be much shorter if your unit is improperly maintained.

Should I replace my 12 year old AC unit?

0 to 9 years old: Your HVAC equipment most likely has years of life left. Seriously consider a repair over a replacement. 10 to 13 years old: Some high-use heating and air conditioning systems wear out after about a decade.

Is Trane or carrier better?

Carrier's variable-speed technology too guarantees steady comfort by altering cooling and warming yield to match your needs. Trane, on the other hand, offers systems with Seer ratings up to 22. While slightly lower than Carrier, Trane units are famous for their robust performance and reliability.

What is the best time of year to replace an AC?

The best times to replace your HVAC system are the spring and early fall when the business is the slowest. During this time manufacturers offer specials to help sell more products and HVAC contractors are more aggressive with their pricing to help keep the dollars rolling and the crews busy.

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