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• Chandler AZ AC Coil Cleaning Tips

Cleaning Your Condenser Coil Tips For Chandler AZ 

The outdoor condenser coil of your air conditioner performs a tough job in warm weather. It takes the concentrated heat collected from your home and dumps it into the hot outdoor air. To get rid of the collected heat, your outdoor condenser coil has to move a lot of air. If the coil is dirty or if plants or other objects are too close to the conditioner unit, the fan in the outdoor coil can't move as much air as required for good performance and efficiency. This raises your electricity cost for air conditioning and may shorten the life of the outdoor condensing unit. 

Around the outdoor condensing unit of the air conditioner, remove plants and other debris from within 3 feet of the unit in all directions. Make sure the air's upward path in leaving the unit is unrestricted for at least 5 feet. If you’re outdoor unit is installed under a deck or if someone built a trellis or some other structure above it, either move that structure or hire an air-conditioning contractor to move the outdoor unit. 

Most condenser coils are loaded with pollen and dust even when you can't see it. The longest a condenser should go without cleaning is 2 years, depending on how much it operates during the summer. If your cooling season is 4 months or more, annual cleaning is an excellent idea. Turn off the power to the unit, and remove any visible grass and lint from the fins and/or louvers with an old hairbrush or whisk broom. Then put on a pair of rubber gloves and spray biodegradable outdoor coil cleaner into the coil. Wait five or ten minutes and flush the coil with a gentle water spray. 

If the aluminum fins on the outside of your outdoor coil have dirt, leaves, or lint stuck to them, it's time to clean the coil. If the coil is very dirty, it’s better to have a professional clean it. Before doing any cleaning work, shut the unit off at its main switch outside near the unit. 

An old hairbrush works well for brushing surface dirt and lint off the fins. Brush in the same direction as the slots between the fins so the bristles go between the fins. You can do a better job if you remove the guard grill, which protects the coil. Wear a dust mask to avoid breathing the dust. When you've finished brushing out as much of the dirt as you can, spray a heavy-duty household cleanser into the coils. Let the cleanser sit for five minutes. Then, direct a light spray from a garden hose at the coil's interior through the fan opening in the top of the unit. Use a gentle spray because a strong spray could bend the aluminum fins. 

Cleaning Your Evaporator Coil Tips For Chandler AZ 

It is recommended that an HVAC professional do this work. A professional will have all the proper HVAC tools to complete the HVAC repair or maintenance job quickly and efficiently. It does not matter what type of equipment you have. You can have a Trane, Goodman, York, Rheem, or Carrier HVAC system and it all needs to be maintained. If you decide to do it yourself make sure you follow the safety procedures by cutting power to the air handling unit before attempting to clean the evaporator coils. Once you have turned the power supply off to the air handler, open the air handler panel where the suction and liquid lines run into the air handling unit. Be very careful not to bend or crimp these lines or any lines in the air handlers. Another thing to avoid is the fins on the coils. Do not bend them. That would defeat the purpose of cleaning the coils because it will reduce the amount of air flowing across the coils. Plus the evaporator fins can cut you. 

Be careful. Check the air conditioner condensation drain line before you begin this procedure. Soak the air handling unit evaporator coil with a bio-degradable acid and water solution. Professionals use an industrial strength coil cleaner which may be available at some hardware stores. Let this solution soak for a few minutes and then take a rag and wipe as much dust off the surface of the evaporator coils as possible. Repeat these steps until the evaporator coils look clean. Take a flash light and look between the fins on the evaporator coils. The evaporator fin on the coil should appear to be clean. If not, soak the evaporator coils again and use a brush with light bristles to brush the evaporator coils. Remove as much dust, dirt, and debris as possible from the evaporator coil. Remember there are two sides to the coil and make sure both sides are clean. The side that will most likely be dirty will be the side where the return air flow comes from. If your evaporator coils are clean and the rest of your air handler components are operating normally you should have a nice cool summer inside your home no matter what the weather is outside.