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The Best Way to Clean Condenser Coils

May 10, 2017

Your condenser coils are a vital part of your air conditioner and if they are running dirty, you’re going to pay for it. At the start of every cooling season, you should clean your coils and inspect them throughout the season to make sure they are fresh and clean. This routine will help cut costs and prolong the lifespan of your unit.

condenser coils- HVAC maintenance

Step 1: Turn Down the Power
Before you start cleaning and getting inside of your air conditioner, you’re going to want to make sure it is disconnected. Either take out the power box and remove the switch, or simply shut down the power from your circuit breaker.

Step 2: Access the Air Conditioner
Start by trimming away that Spring vegetation from the base of the unit and unscrew the faceplate from your central air conditioner. If you’re taking off the top of your air conditioner, make sure it is disconnected from the fan assembly. Some units will have these connected with wiring.

Step 3: Clean and Lubricate
You’re going to want to clean dirt off the fan blades with a soft cloth and a shop vac. Just pick up the noticeable stuff and don’t get too crazy digging into your air conditioner. The main thing you want to avoid is knocking an important piece loose. If your unit is one that requires lubrication, add oil or WD-40 to the necessary location.

Step 4: Spray & Clean
Take your hose and blast the fins to get rid of any debris that is caught in between them. Once you’ve done that, it’s time to focus on your coils. Take a small squirt bottle and mix a small amount of soap inside of it with water. Take a clean rag and apply the solution to the coils. Be mindful of the pressure you are applying!

Step 5: Inspect Coil Fins
If any of your coil fins appear bent, take a butter knife and straighten them the best you can. If they’re bent, they can impede airflow and decrease efficiency.

Step 6: Clean Up After Yourself
Once you are satisfied with your clean, put everything back where you found it and make sure screws are fastened tightly. If they’re not, you’ll get annoying rattling sounds.

If you need help getting your air conditioner ready for cooling season, call Rooter MD Plumbing & Heating at 248-888-7777. We have been servicing the Livonia area for over 30 years!