How to Prolong the Life of Your AC Unit

Many times, air conditioner damage is caused by the negligence and recklessness of the owner. If well taken care of, an AC unit should last 10-15 years before you notice a major performance decrease or permanent damage that is beyond repair. How should you take care of your AC unit to make it last longer?

Here are some tips to help you prolong the life of your AC unit:

1. Replace Your Air Filters Frequently

Air filters need to be replaced once dirt has accumulated in them. This is usually about every three months, but it can also be sooner than that. Refusing to change your dirty air filter will cause the machine to work even harder. That could lead to higher electricity bills and a shorter lifespan for your AC unit.

2. Keep the Ducts Clean

If you notice that your air conditioner is not as cold as it used to be, maybe you need to check your air ducts. Clean air ducts will allow your AC unit to perform optimally. But if there is dirt and debris inside, it will block the airflow and prevent some of the cool air from passing through and entering your room. It is highly recommended that you clean your air ducts with a U/V light system, rather than an air duct cleaning, so your AC unit doesn’t lose its ability to deliver cool air properly.

3. Get Regular HVAC Maintenance

You need to hire a professional technician for thorough HVAC maintenance at least once a year. The service includes replacing air filters (customer provided), sanitizing ducts, cleaning units, total checkup, leak inspection, necessary fixes, and tune-ups. With regular maintenance, you can keep your AC unit working optimally and fix any problems before serious damage occurs.

4. Improve Your Air Quality

The worse your air quality, the harder your air conditioning unit needs to work to do its job. Such stress to the machine will shorten its lifespan. To improve your air quality, you can invest in a dehumidifier and or air purifier, avoid smoking indoors, and keep some plants around your house. You can also invest in an in-unit U/V light air purification system.

5. Turn Off Any Unused Electronics in Your House

Leaving your electronics on, even when you are not using them, is not a good habit. Many people fail to realize how much this affects their HVAC system. Electronics emit heat when they are on. This forces your AC to work harder to balance it out.

6. Clear Obstacles from Your Condenser

The AC condenser unit is the outdoor unit of an air conditioning system, which plays a big role in determining the lifespan of your AC unit. Taking care of your condenser is easy. You only need to keep it clean and clear. There should not be windblown dust or debris on it. Also, watch out for shrubs, grass, and trees. Make sure they are not too close to your condenser.


Our lives are becoming more and more dependent on AC systems. So, when your unit suddenly needs a replacement, there is no way that you can delay replacing it. Unfortunately, buying and installing a new AC unit is quite costly. So, while your AC unit is still in good shape, you might want to take care of it to the best of your ability to make it last longer.

For more information, see: 3 Signs Your AC Motor Needs Repairing

ECM Air Conditioning, with its headquarters located in Boynton Beach, FL, provides ac maintenance services within Palm Beach County, Broward County, Martin County, and St. Lucie County. If you’re having issues with your HVAC system, we’re on-call and ready to assist you. So if you’re in need of AC maintenance, don’t hesitate to contact us today to schedule AC maintenance! Our Air Conditioning maintenance experts will help you maintain your HVAC system and inform you of any issues that may be discovered, in advance, to help prevent costly unexpected breakdowns.  Call us at 561-295-1763 or contact our AC maintenance team online by clicking here.


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