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Your air conditioning system is made up of an air handling unit and a cooling unit. The cooling unit contains the compressor coil, which is different than the evaporator coil.The evaporator coil and the compressor coil work together to keep your home cool. They remove heat from the air with refrigerants, which are introduced in the evaporator coil.
Use the foam cleaner to clean the coils
As a result, you’ll have to pay a lot more for cooling as your unit will use more power than usual. If you're wondering what kind of cleaner you need, several products will get the job done. HVAC Guides 101 observes that AC coil cleaners take three forms. Of these three types, the commercially prepared, foaming cleaners are highly recommended. Fin combs come in a variety of sizes and shapes to suit an array of HVAC systems.
Extra AC Maintenance Tips
You will likely need to remove a few screws, so be sure you keep them in a safe place to put back later. The evaporator coil is a component of an AC system that cools indoor air by eliminating moisture and heat. Thus, cleaning your AC coils thoroughly is essential for the proper functioning of your air conditioning unit and to avoid more severe damage. Dirty coils reduce the transfer efficiency even in the best-case scenario. And in the worst-case scenario, continuous evaporator coil overheating might destroy system components and cause the entire unit to collapse. Your home’s thermostat keeps track of the temperature and alerts your air conditioning unit when it’s time to turn on.
AC Air Handler Components
Now that you know how to clean an evaporator coil, you can inspect your system regularly for signs of dirt. Just a few short minutes a couple of times a year is all it takes to keep the evaporator coils on your home’s AC unit sparkling clean. How often do you think about the AC coils in your heating, ventilation, and air conditioning (HVAC) system? However, dirt, debris, and mold can build up on your AC coils, resulting in reduced efficiency and excessive wear and tear on the unit.
How Does the Evaporator Coil Get Dirty?
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Wear gloves and a mask to protect yourself should you see any sign of them. Bending them will reduce or block airflow, and your air conditioning system will not be able to do its job. If you find any evidence of bacterial growth or mold, a bleach solution will kill the development.
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While it takes under an hour to clean coils, make sure to have all of the tools on hand and complete the cleaning before the warmer temperatures are expected. Many coil cleaners are safe to use on both aluminum and copper coils, but check the packaging before applying a cleaner to the coils. If the coils are made from copper, avoid using acidic cleaners because they can cause corrosion.
It dumps the heat in the condenser unit when it is compressed/condensed back into a liquid. Heat pumps work the same way, but in reverse, collecting heat outdoors and pumping it inside. The Nu-Calgon evaporator coil cleaner is just as highly rated, but a little more expensive. It also has corrosion inhibitors, and the manufacturer states that, “it is safe for use on metals and other materials.” We can’t guarantee it’s OK for a plastic drain pain. Spray it on a piece of cheap plastic, and let it sit overnight.
Air Conditioner Coil Maintenance
Your AC coils are a big part of making sure your home stays cool on hot days. In a traditional split-system HVAC device, you’ll have an indoor and outdoor unit each containing one coil. Within the indoor unit of the system you have the evaporator coil, responsible for absorbing heat and humidity from your home. After the evaporator coils extract the heat, it moves to the outdoor HVAC unit, where the condenser coils release the heat into the outdoor atmosphere.
How to Clean AC Coils: A Step-by-Step Guide for Homeowners
Interior evaporator coils collect dust, pollen, pet dander, and allergens from the indoor air. According to Bradbury Brothers Cooling, Heating, Plumbing & Electrical, the job of cleaning AC coils must be approached with care. DIYers should take the time to learn proper methods for cleaning their units.
Just remove the tape and screws, and open up the box compartment. Inside, you should see the coils, which usually look like an A-Frame with radiators on either side and many tubes running in loops. Once you have the tools you will need, cut the power to your system before you start cleaning. You can do this either by flipping the breaker in your breaker panel or by finding the power switch located near the air handler. It usually looks like a light switch inside of a grey box, located in the attic.
Use your shop vacuum to hoover out the rest of the debris from the bottom of the unit. Otherwise, you’ll need to turn off the power at the electrical service panel. Let’s walk you through the two types of coils, condenser, and evaporator. Once you’re finished, use your fin brush to straighten out any flattened coils. This isn’t strictly necessary, but it can help the unit run more efficiently and is a good idea to include in the routine of cleaning AC coils. If there are leaves, sticks, or other bits of debris around or in the condenser unit, be sure to remove them (this is where gloves come in handy).
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