Top 7 Things You Should Never Do To Your AC Unit

image of a man with warning sign depicting diy air conditioner maintenance

It is summer, and you need your cooling system more than ever. There are things that will need to be done, such as DIY air conditioner maintenance and other things you should not attempt to do. When you are on a budget, doing it yourself may be one successful way of getting things done around your home. However, when you do not have experience or training in certain areas, a hands-off approach is best. This rule applies to servicing your air conditioning system. When it comes to working on an important home appliance like the AC unit, you don’t want to take wild guesses and try them without knowing what the result will be. You certainly don’t want to do the wrong thing, impacting your family’s safety and wellbeing.

According to HVAC specialists, when you are diligent and careful with your system, you can prevent many expensive problems. Follow the advice of certified air conditioning techs. If you want steady efficiency and comfort, there are a few important things you should keep on your “do” and “do-not” list.

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Seven Things You Should Not Do To Your Home Air Conditioning Unit

Below, we discuss some aspects to consider during air conditioner preventative maintenance.

1. Never Forget To Check & Change The Air Filter

image of an air conditioner filter that is dirty

One of the benefits of an air conditioning system is the ability to filter out dust and contaminants to improve your indoor air quality. However, HVAC air filters do not clean or replace themselves. When you neglect to check and change filters, air conditioning efficiency and home comfort levels will drop. Air filters should be checked monthly and changed every two to three months minimally. They will require a more frequent replacement if you have pets. If you are not sure how to change the air filter, ask your professional HVAC technician to show you how it is done at your next scheduled air conditioner tune-up.

2. Don’t Block The AC Condenser

The outside condenser needs to have plenty of room around it in order to pull in air. You should not place objects near the outside unit. Keeping the area clear allows for optimal airflow and cost-efficiency. Although you might be tempted to plant around the outside unit, it is not a good idea to place plants too close. Plant flowers, bushes, and vegetables several feet away from the unit. Remember that the free flow of air is necessary for a longer-lasting condenser.

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3. You Should Never Leave Your Air Conditioner Off For Too Long

You might think that keeping your home air conditioning off for days at a time is a good thing. However, the fact is that your cooling unit needs to run. When the temperatures outside are not as high, make sure to turn it on and let it run for a few minutes every day or two. This keeps dust and mold from settling inside the unit.

4. Don’t Crank The Air Conditioning Unit

homeowner adjusting thermostat for air conditioning system

If your air conditioner is constantly running, either you are experiencing extreme heat in your area, or you have set your sensor at too high a setting. Obviously there will be days when you need to run it more, but try to keep the sensor as high as you can while keeping your home comfortable. Also, take advantage of cooler nights and days to let your home unit rest for a little while. The longer your AC runs, the harder parts are worked and the more refrigerant you’ll use.

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5. You Should Never Try To Power Wash An AC Unit

There is a way to clean an air conditioner, but spraying it with a powerful hose or submerging it in water is not it. Brush the leaves out and wipe debris from the inside of your outdoor cooling unit, but don’t try to use a powerful approach. If more cleaning needs to be done, certified and experienced HVAC techs have the expertise necessary to get the job done right. Call to schedule an air conditioner tune-up right away.

6. Don’t Neglect To Schedule Regular Air Conditioner Tune-ups

image of an hvac contractor performing air conditioner tune-up

Annual AC inspections and tune-ups of your air conditioning system can prevent small issues from becoming a big and expensive problem. When you neglect to have your system checked and maintained, you take the risk of more breakdowns, lower efficiency, and more expensive repairs. Your air conditioning specialist will inspect the system and perform any necessary maintenance, so you do not have to worry about breakdowns when you need your cooling unit the most. HVAC tune-ups helps reduce your energy costs and help promote a long lifespan for your system. If you haven’t scheduled an air conditioner tune-up, now is a great time to do so!

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7. Do Not Perform DIY Air Conditioner Repairs

If you are not trained and experienced, you will not know the ins and outs of maintenance, finding solutions, and performing necessary repairs on an AC system. Remember: Small mistakes can end up costing much more than hiring technicians to get it right the first time. It is always best to call in your experienced and certified HVAC professionals when you are in need of an air conditioner installation, maintenance, or service. Do your homework by checking out references, reviews, licensing, and insurance coverage of local HVAC service companies. The right professionals are specifically educated and trained to do quality work on one of the most expensive systems in your home.



Warm summer months with spiking temperatures call for a quality home air conditioning system. Remember to keep the filter clean, the machinery running and resting as it should. Do not block the condenser, be careful while cleaning, and call to schedule an air conditioner tune-up on an annual. Most importantly, take care of your home’s cooling system by relying on the expert technical services and advice of your local certified HVAC professionals.

When you need highly-reviewed, top-quality service with guaranteed satisfaction at competitive prices, contact McAllister Energy. We are proud to be a local HVAC service provider that you can trust for all of your home cooling needs.

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Call McAllister Energy For All Of Your HVAC Requirements

McAllister EnergyMcAllister Energy offers superior heating and cooling services in Camden County, New Jersey. We hire the best-certified technicians who can provide you with excellent HVAC tune-ups, repairs, installations, and replacements. Each of our techs has the knowledge and experience to service your HVAC system correctly.

McAllister Energy guarantees the most competitive heating and cooling service costs in the area. Our maintenance services can improve your comfort, increase your energy efficiency while reducing your home heating and cooling costs. If you happen to need an HVAC repair or replacement system, we can recommend the best one for your home while staying within your budget. We back all of our work with a guarantee to ensure your satisfaction. To schedule a service appointment, give McAllister Energy a call today. We offer free, in-home estimates.

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