Evaporator Coil Cleaning: Is It Really That Important?

What is Evaporator Cleaning & Why It’s Important

Let’s face it, air conditioners run for majority of the year in Houston, which is why cleaning your evaporator coils is so important. Air conditioners contain an evaporator coil inside the unit that helps to absorb warm air inside the house and remove to outside thru condenser coil in outside unit!

Because dirt, debris, and other pollutants constantly pass through the coils, they can become trapped. Over time, this build up on the coil will impact the functionality of your unit. Regularly cleaning your evaporator coils once or twice a year will preserve the life of your air conditioner and prevent costly repairs in the future.

Our skilled Houston HVAC technicians at Lone Star Pro Services will come to your home and inspect the AC unit and evaporator coil. If necessary, our techs will clean the coil to remove any dirt buildup that could be harming your system.

The Consequences of Skipping Evaporator Coil Cleanings

If you’re not keeping up with routine HVAC maintenance, you could be shortening the lifespan of your system. When the evaporator coil is dirty, clogged, or otherwise not able to function optimally, your AC has to work harder to produce the same effects.

Not cleaning your coils can result in:

  • Higher energy bills
  • AC unable to cool your whole home
  • The transition box being torn apart from pressure caused by clogs
  • Your air conditioner completely malfunctioning

Let’s face it Houston summers can reach 100℉ or hotter, putting a lot of wear and tear on your system. In our area, skipping coil cleanings can not only increase your energy bill but also require you to replace your system sooner than you should have to.

Cleaning Evaporator Coils Using Household Items:

Cleaning your evaporator coils doesn’t have to be a huge undertaking. You can use ingredients laying around your home. For families who don’t want to use commercial cleaners, warm water and mild detergents can work well.

Steps for cleaning evaporator coils using detergent & water:

  1. Choose a mild detergent and mix it with warm water.
  2. Place solution in a spray bottle, garden sprayer, or hand sprayer.
  3. Spray solution on evaporator coils and wait for a minute.
  4. Once the debris loosens, wipe away using a brush or soft cloth.
  5. Repeat as necessary.

Is It Time for a Cleaning?

While keeping your evaporator coils clean is very important, so is AC maintenance. When’s the last time you had your AC unit inspected and cleaned? If it’s been longer than a year, you’re due for a professional’s help. Lone Star Pro Service’s team of expert HVAC and Air Duct technicians perform a three-step process to help you get the most from your AC system.

We start with an inspection to identify any problems and the extent of your service needs. From there, we’ll clean the evaporator coil and perform any other maintenance to keep your system running like new. And before we leave, we do a post-inspection and test to make sure that we leave your system in better condition that we found it in.


Book an appointment or reach out for a quote on HVAC maintenance services and let us help you keep your cool in Houston this summer!


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