Do you know when to service your A/C unit yourself and when to call in the pros?

No matter where you live, or what time of the year it is, having a central air conditioner is about comfort. It is about the comfort that comes with regulated temperatures or climate controlled environments, and what that means for your daily activities. If you are working, then total concentration is a must. Decreased efficiency due to a bad air unit is unacceptable. If you are enjoying some time with that special someone, then your attention should be on him or her, and not on how hot, cold or humid the room is. If you are having a one on one with your favorite television show and snack, then pure satisfaction should be your only experience. 

For these reasons, and many more, it is important to always have a well maintained central air conditioning unit, whether you are doing the maintenance or a professional.

Do-It-Yourself Maintenance 

If there was ever a day when maintaining a central air conditioning unit was a task exclusive to trained technicians, that day is now part of history. Many appliances are built user-friendly enough that non-experts can take up the task. These days it is as simple a matter as determining which replacement part to purchase, all of which is well explained in the manual.

Replacing Parts

The most frequently changed parts on an air conditioning unit tend to be the filters. Their replacement is as simple as sliding the used filter out and the new one in. The rate of replacement, as recommended by manufacturers, is monthly. However, many high quality filters are able to handle its duties for a longer time. For this reason, it is important to inspect them every 60 to 90 days. 

Cleaning Parts

The secret to longevity is maintenance. At least once per year, you must procure to clean and condition the physical part of your unit that sits outside your home. The continuous wear and tear that comes from being subjected to ever changing weather conditions will ensure its eventual demise if no action is taken. Be it, dusting it off or removing debris, keeping it clean will improve its efficiency and extend its life. 

Inspecting Parts

Every year, if not every season, it is crucial to perform a detailed inspection of specific parts of your unit that will affect its efficiency and proper function. All lines leading to and from it, including the refrigerant and electric lines must remain intact at all times. The drain must always be clog free, and no rodent should make your air conditioning unit its home.

Professional Maintenance

Despite the fact that, as mentioned above, you can personally take on some aspects of your air conditioner’s maintenance, there are other aspects that must be treated by a professional. After all, these units are complex machines that require just such a treatment. Always keep in mind your well-being, the well-being of your unit, as well as the well-being of its warranty.


Low levels of refrigerant can be the result of prolonged use or a leak. Service providers will both, check for leaks and refill to adequate levels. Other areas that can suffer problems, such as the drain pipes are checked for algae growth, which can cause blockages. 


Moving parts must be able to move with ease; the unit’s efficiency depends on it. For this reason, service providers will also procure to lubricate or oil all moving parts. Excessive wear due to poor lubrication will significantly reduce the lifetime of your unit.


Because there are many moving parts to an air conditioning unit, several other parts are subject to becoming loose. Some of these can be in the electric department. All the wiring, connectors, fans and fan relays must be checked to ensure proper function.

Two benefits of a well maintained air conditioning unit are: a long lasting machine and a reasonable electricity bill. Both of these benefits can be continually enjoyed with, on one hand, maintenance, and on the other, specialized maintenance.

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