Are you tired of your AC system breaking down at the worst possible times? Doing a bit of AC maintenance DIY can help keep your air conditioner running smoothly for longer. In this blog post, we’ll be discussing some tips and tricks to help you take care of your air conditioner. From how to clean the AC coils to when to replace the filter, we’ve got everything you need to know about ac maintenance DIY. So, let’s get started!

Why AC Maintenance is Important

Regular AC preventative maintenance is crucial for a number of reasons. First of all, it helps to improve the efficiency and performance of your air conditioner, which ensures that it cools your space effectively. Second, it helps to extend the life of your unit, saving you money on costly repairs, replacements, and utility bills. Last but not least, regular maintenance can help improve indoor air quality by removing dust, allergens, and debris from the system. 

Common AC Problems and How to Prevent Them

Air conditioners can experience a variety of common problems, including low refrigerant levels, frozen evaporator coils, and clogged air filters. To prevent these issues, make sure to regularly check and replace the air filters, keep the outdoor unit clean and clear of debris, and schedule professional maintenance at least once a year. You’ll also want to make sure that the thermostat is set to the correct temperature and that the system is properly sized for your space. Taking these preventative measures can help keep your AC running smoothly and avoid costly repairs. To learn more, visit

Tools Needed for DIY AC Maintenance

To successfully perform DIY cooling system maintenance, you’ll need a few basic tools. Some essential tools include a screwdriver, a socket set, a vacuum cleaner with a brush attachment, a fin comb, and a soft cloth. These tools will help you clean and replace air filters, clean the AC coils, and perform other maintenance tasks. Having these tools on hand will make it easier to take care of your air conditioner and keep it running smoothly.

AC Maintenance DIY Guide

Use these simple tips to perform regular maintenance to your AC system and prevent big problems before they even get started.

Steps for cleaning and replacing AC filters

Cleaning and replacing dirty filters is an essential part of DIY AC maintenance. Start by turning off the power to your AC unit and locating the filter. Remove the filter and inspect it for dirt and debris. If it’s dirty, replace it with a new one. It’s a good idea to check your filter every 30 days and replace your AC filter regularly for optimal performance.

How to clean and maintain AC coils

Over time, the coils can become dirty and clogged with dust and debris, hindering their ability to cool the air effectively. To clean the coils, start by turning off the power to the AC unit. Gently remove any loose debris using a soft brush or cloth. Then, use a coil cleaner or a mixture of mild detergent and water to clean the coils. Rinse thoroughly and allow the coils to dry completely before turning the power back on. Regularly cleaning the AC coils can help improve the efficiency and performance of your air conditioner.

How to clean the AC drain line

Over time, the condensate drain line can become clogged with dirt, debris, and algae, which can lead to issues such as water leaks and a reduction in cooling performance. Thankfully, cleaning the AC drain line is a simple DIY task that can help prevent these problems. 

To clean the AC drain line, start by turning off the power to the AC unit. Locate the drain line, which is usually a PVC pipe near the outdoor unit or in the basement. Use a wet/dry vacuum or a small brush to remove any visible debris from the opening of the drain line. Then, mix a solution of equal parts water and vinegar and pour it into the drain line to dissolve any remaining dirt or algae buildup. Let the solution sit for about 30 minutes, and then flush the drain line with clean water from the garden hose to remove the loosened debris. 

Tips for maintaining the outside unit

To maintain the outdoor unit of your HVAC system, keep it clean and free from debris. Regularly trim any vegetation or plants that may obstruct airflow. Check the unit for any signs of damage, such as bent fins or loose wires, and make repairs if necessary. It’s also important to protect the unit during harsh weather conditions by covering it or providing shade. Regularly inspect and clean the condenser coils and fan blades to ensure proper functioning. Don’t forget to schedule professional maintenance at least once a year to ensure optimal performance.

Signs That You Need Professional Maintenance

While regular DIY maintenance can help keep your AC running smoothly, there are certain signs that indicate the need for professional maintenance. If you notice a decrease in cooling performance, unusual noises or smells coming from your AC unit, or if your energy bills have significantly increased, it may be time to call in the professionals.

If you experience frequent breakdowns or if your AC system is older and hasn’t been serviced in a while, it’s best to schedule a professional maintenance visit to ensure that your AC is in optimal condition. Dolphin Cooling and Heating offer AC repair as well as routine maintenance plans to help prevent problems before the arise. Contact us today or click here to read about our maintenance plans.