How often should I get my AC serviced?

Author: Arden Barrows  |  Last update: Monday, February 9, 2026

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.

How often should an AC system be serviced?

Typical Schedule for Professional AC Servicing

In most cases, professionals and manufacturers recommend you have your air conditioner — and your heating system — seen by an HVAC technician at least once a year, preferably just before the heat ramps up and you start really putting your air conditioner to work.

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.

Is it worth getting air conditioning serviced?

Yes, it is recommended to get your air conditioner serviced regularly even if it appears to be working fine. Regular maintenance can help identify potential issues before they become major problems and prevent breakdowns, which could save you from costly repairs or even a full replacement in the future.

What happens if AC is not serviced?

The dirt clogs up the system and creates condensation, leading to mold that clogs the draining system. These clogs, when left unchecked, lead to water leaks coming from the interior unit of your AC.

How Often Should You Service Your Central Air Unit

Can I self service my AC?

You may be able to clean the inside of your AC system depending on how comfortable you are opening your AC unit up, but you won't be able to spot any serious issues without a service technician. Any service work involving leaks, electrical problems, fan issues, or blower components will require a pro.

Why is my AC running but not blowing cold air?

If your AC is running but not cooling, it could be due to a dirty air filter, incorrect thermostat settings, a malfunctioning thermostat, a refrigerant leak, dirty condenser coils, blocked vents or ducts, a faulty compressor, frozen evaporator coils, or electrical issues.

How much should I charge for AC maintenance?

An annual AC tuneup costs between $60 and $200, depending on the type and size of your unit.

How long does it take to service an air conditioner?

An annual or bi-annual HVAC maintenance appointment generally takes somewhere between 1-2 hours, although this can vary quite a bit depending on several factors. These factors include the type of AC you have, the size of your home, and the amount of time that has passed since your last tune-up.

How much to service an air cond?

Aircon general servicing typically costs $30 per unit for wall-mounted units and $100 for ceiling-mounted units. For additional AC services such as gas top-up and condenser cleaning, the average cost is $150-$500. Check out our full price list here.

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 long do air conditioners last?

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.

How much time does AC take for self-cleaning?

Many modern AC units come equipped with an auto-cleaning feature designed to remove dust, bacteria, and other contaminants from the system. This process typically involves the unit running a self-cleaning cycle, which can take anywhere from 30 minutes to a few hours, depending on the level of cleaning required.

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.

How do I know if my AC needs maintenance?

7 Signs You Should Schedule Maintenance for Your A/C Unit
  1. You Are Noticing Strange Sounds Coming From Your AC Unit. ...
  2. Your AC Unit is No Longer Cooling Your Home Like it Used To. ...
  3. Your Utility Bills Have Increased. ...
  4. Your AC Unit is Leaking Water. ...
  5. You Are Noticing Excess Humidity Levels. ...
  6. Airflow Coming From the AC Unit is Weak.

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 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 often should you service your AC at home?

To keep your air conditioner functioning efficiently, HVAC Experts recommend servicing it at least once a year. Annual cooling maintenance ensures your AC unit remains in optimal condition, preventing potential issues and extending its life span.

Is AC preventative maintenance worth it?

You know that taking care of your car is an investment worth making. Similarly, there are many benefits to undergoing preventive maintenance for your HVAC system. They include maintaining your warranty, saving money, increasing energy efficiency, and extending the life of your HVAC system.

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.

Can I clean my air conditioner myself?

To clean the coils, spray the fins on the inside of the unit with an A/C coil cleaner, following the manufacturer's instructions. To remove the cleaning detergent, spray with a hose to push the cleaner through the fins to the outside of the unit. Don't use a pressure washer — the force of the water can damage the fins.

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 to check if AC is cooling properly?

Ways To Check If Your AC Is Working Properly
  1. Check the Air Flow. If your AC is trying to cool a room that continues to stay excessively warm, it may not getting enough airflow through the vents. ...
  2. Check the Thermostat. ...
  3. Check for Refrigerant Leaks. ...
  4. Check the Smart Settings. ...
  5. Check the Outdoor Unit.

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