How to Use AC Coil Cleaner

Installing an air conditioner is a costly investment but its benefits outweigh the cost of installation. Normally, you are advised to maintain and/or repair your AC unit regularly (at least twice every year) to avoid costly repairs in the long run. However, while most people understand the need to hire a professional, some prefer DIY to minimize repair or maintenance costs.

This is not advisable especially if you don’t possess the equipment, skills, and experience needed in AC repair and maintenance. There are certain signs you are supposed to consider to determine when your AC unit should be repaired. For instance, if your AC is not working properly, the evaporator or condenser coils might be clogged or dirty and they should be cleaned.

What is an AC coil cleaner?

An AC coil cleaner is a heavy-duty detergent that’s used to remove dirt, grease, and oil. Since there are numerous types of coil cleaners, you should research well to make the right choice especially if it is your first time. Alternatively, you can look for expert advice or opinion on the best coil cleaner in the market depending on your budget. Here are some benefits of cleaning your air conditioning coils with coil cleaners:

  • Reduces electricity bills – coil cleaners remove the counterproductive dirt and oxidation thus improving your unit’s efficiency. The higher the efficiency, the lower the power consumption and hence reducing electricity bills.
  • Reduce maintenance and repairs – cleaning your A/C coils with a cleaner will make it run smoothly thus reducing the chances of breaking down. This translates to reduced maintenance and repairs thus reduced maintenance costs.
  • Increase life span – when an air conditioner is working efficiently, it lasts long because each of the parts is working properly. Also, when cleaning the coils, it is easier to notice other repair or maintenance issues you should fix.

How to use an AC Coil cleaner

Here are the steps you should follow when cleaning your AC coils:

1

To prevent dirt or dust reaching your floor, put a cleaning bag over the entire split AC system.

2

Turn off the power source to your AC unit and then open the front part of your AC to access the interior parts.

3

Remove the air filters from your AC. In case you don’t know how to go about it, check the manufacturer’s guide.

4

Before you start cleaning the air filters, shake them to remove dirt and then use running water to rinse them. If the air filters aren’t that dirty, clean running water is enough. However, in some cases, you may have to use a sponge to clean the filters.

5

Use an air blower to remove dust from your AC cooling fins. The coils resemble a series of metallic lines behind your unit.

6

Then, use a no-rinse evaporator to thoroughly clean the coils. You just need to purchase the product online (no rinse evaporator), apply and then leave it on the coils for about 20 minutes.

7

Homeowners should use the antifungal spray cleaner on the coils to prevent mold. The spray will prevent spores and toxic particles from growing in your appliance. Leave the spray for about 5 minutes to set before you put the air filters back in.

8

Finally, secure the air filters in their position and then flush out the drains using a pressurized flush kit to force the water down the drainpipe. Check if you have reconnected the hose, and then turn the AC on to confirm its working properly.

Although cleaning your AC coils can be complicated, you can learn to DIY through online instructional articles and videos. Remember, you need to refer to the manufacturer manual and/or seek professional help if you are not sure. Finally, make sure you have the right tools before you get started to avoid any inconveniences.

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  • Updated December 1, 2019
Suzie Poo
 

Suzie Poo is a tool expert from the U.S. She is a Mechanical Engineer and uses tools almost every day at home and at work. She enjoys helping people to master everything about a wide range of tools through blogging. She is for sure a BESTIEE!

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