How often do AC units need to be serviced?

Author: Antone Cummerata II  |  Last update: Friday, March 7, 2025

How Often Is AC Service Needed? Though there can be a bit of wiggle room, generally speaking, you should have your air conditioner serviced twice yearly: once in the fall and once in the spring. This is to ensure that it's clean, that its parts are in good shape and that it's operating as optimally as possible.

Is it necessary to service AC every year?

Even without noticeable defects, we recommend getting an air conditioner checked at least once a year to ensure it's performing at its best. Here are the signs to be on the lookout for that may indicate an air conditioner needs immediate maintenance. If your unit makes more noise than usual, the filters may be clogged.

How do I know if my AC needs to be serviced?

10 Signs Your Air Conditioner Needs Repair or Replacement
  1. Air Conditioning System is Blowing Warm Air. ...
  2. AC Thermostat is Not Working. ...
  3. Little Air Blows Out of Vents. ...
  4. Loud Noise Inside of the AC Unit. ...
  5. Strange Odors When AC Turned On. ...
  6. Not Enough Humidity Removed By the AC. ...
  7. Problems with the AC Are Occurring More Often.

What happens if the air conditioner is not serviced regularly?

Constant Breakdowns

When your AC is not maintained, it is likely riddled with a lot of internal issues that aren't being addressed. Wait long enough, and these issues can lead to constant breakdowns. Breakdowns are expensive to repair, and having them repeatedly takes away your comfort at home.

How frequently should AC be serviced?

Air conditioning experts recommend a comprehensive service at least once every 12 months. The best time of the year to service your air conditioner is just before the change of season. If you have a cooling-only unit, spring is the perfect time to service the unit so it is all set for the summers.

How Often Should I Service my Air Conditioner?

What maintenance does an AC unit need?

Check and air seal duct leakage in central systems. Measure airflow across the evaporator coil. Verify the electric control sequence to ensure the heating and cooling systems do not operate simultaneously. Inspect electric terminals, clean and tighten connections, and apply a non-conductive coating if necessary.

What are the charges for AC gas filling?

Residential Air Conditioner Freon Refill Cost

Most homeowners will pay in the range of $200 to $400 for a refill, depending on the type and size of their HVAC unit. If you own a larger r22 unit, you may have to spend $600 or more. To break this down for you, a 25lbs unit of r410A costs anything between $100 and $175.

Can I service my own air conditioner?

Air conditioners can be tricky. It takes a fair bit of experience to diagnose problems. But if all you are doing is routine maintenance like cleaning the outdoor unit of dirt and debris, changing filters and cleaning vents, no special knowledge is required.

What does AC tune-up include?

An air conditioner tune-up typically includes but is not limited to cleaning coils, checking refrigerant levels, replacing the air filter, checking ductwork for leaks or blockages, testing the thermostat, examining electrical components, lubricating moving parts, and inspecting the condensate drain.

How often should I change my AC filter?

How Often Do I Need to Change Out My Air Filter? Generally, most air filter manufacturers and HVAC companies recommend changing your air filter every 90 days, or 3 months. That can change based on where your home is located (ex. dusty, dry climates), if you have any pets, and the age of your system and equipment.

How long does an AC service take?

Fixing an air conditioning unit typically takes between 30 minutes to 8 hours. Simple issues, like changing a clogged filter or replacing a fuse, are resolved quickly. More intricate problems, such as refrigerant leaks or compressor failures, require more time.

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.

Is it necessary to clean an AC outdoor unit?

Cleaning the air conditioner's outside unit is just one of many tasks that need to be done to maintain your system's energy efficiency. To keep your air conditioner clean and energy efficient all season long, schedule professional AC maintenance every spring, which includes cleaning the outdoor condenser unit.

How often should you have your home AC checked?

Though there can be a bit of wiggle room, generally speaking, you should have your air conditioner serviced twice yearly: once in the fall and once in the spring. This is to ensure that it's clean, that its parts are in good shape and that it's operating as optimally as possible.

What does AC service include?

Are you wondering what's included in professional AC maintenance services? Professional AC maintenance services typically include thoroughly inspecting your air conditioning system, cleaning and replacing filters, checking refrigerant levels, inspecting electrical components, and more.

Is annual AC maintenance worth it?

HVAC maintenance is an essential part of keeping your heating and cooling systems in the best working condition. Without it, your air conditioner might not be able to stave off the Texas heat to its best ability. Even worse, your unit could face premature breakdown if you fail to keep up with routine maintenance.

Can you tune-up AC yourself?

The bottom line? While some AC maintenance can be done by a savvy homeowner, it's still necessary to have an expert technician check the system periodically. Dr. Kirby suggests a service in the spring before the cooling season and then again in the fall before the heating season.

What does a tune-up consist of cost?

How Much Does a Tune-up Cost? Your car tune-up cost depends on multiple factors. The cost of a very basic tune-up will run between $40 and $150 depending on where you are. This variety of tune-up tends to focus on spark plugs alone and spark plug replacement.

How long does a HVAC tune-up take?

How Long Do HVAC Tune-Ups Take? You can expect the HVAC tune-up inspection process to take up to an hour, depending on the configuration of your system. If refrigerant, also known as Freon, is needed, then you can expect an additional 30-45 minutes.

What happens if air conditioner is not serviced?

If an air conditioner is not serviced regularly, it can suffer from reduced efficiency, higher energy consumption, and frequent breakdowns. Common issues such as clogged filters, refrigerant leaks, and electrical failures can arise, leading to costly repairs and a shorter lifespan for the unit.

Is it worth getting air conditioning serviced?

If it has been a year or more since your air conditioner was installed, consider getting it serviced by an air conditioning professional. Not only will the system run more efficiently, cooling your home better, but it will also extend the life of your system.

How often should I replace the Freon in an AC unit?

Most systems need Freon replacement anywhere from once every two to five years from a professional HVAC Contractor. The most significant exception to this rule is when there is a leak in the air conditioning system, which decreases the amount of refrigerant in an AC unit over time.

Why is AC not blowing cold air?

First, check your filters and coils for dirt and debris that may be impeding airflow. Once you've cleaned the filters and coils, run the air conditioner with just the fan so that the ice accumulation can melt off. If the AC still doesn't blow cold air, it could be that refrigerant levels are too low.

Will AutoZone recharge my AC?

An AC leak will lead to warmer air from your vents over time. In most cases this can be fixed with a proven stop leak additive to seal up any leaks. When it's time for an AC recharge, turn to AutoZone.

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