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Reasons Your Air Conditioner Coils Might Need Cleaning

The simplest of tasks, like changing your homes air filter regularly, can keep a system running longer than if you did nothing. Some people buys those expensive air filters that trap more dirt and it says to change it every 90 days. Well its always best to listen to who ever made the filter. But you should always check it every month, no matter what! This way if the filter looks clogged you can catch a problem before it begins. Here are a few things that happen when a filter is clogged:

  • Air flow is restricted
  • Coils build up ice
  • Cooling efficiency is reduced
  • Mold or mildew may grow
  • Compressor damage
  • Poor Air Flow Through AC Unit’s Coils

The air handler inside the home is designed to move a certain amount of air volume expressed in the unit CFM. When the filter gets clogged the air handler must work harder to push the designed amount of air throughout your home. This means the system draws more power to do so, giving you a higher bill each month.

Iced Up Coil

Moisture in the air hits the cold evaporator coils and condenses on them.  Your AC system relies on air flow to dehumidify or remove the moisture.  When the amount of air flow isn’t able to remove the water fast enough, the water can freeze and turn into ice.  Ice buildup can continue to occur until after an air conditioner coil cleaning.  The ice further reduces the air flow allowing more ice to build.  The problem gets worse and may eventually stop all air flow to your house.

Reduction in efficiency due to lack of air conditioner coil cleaning

An air conditioning system will continue to operate until it reaches the desired temperature inside your house.  If the evaporator coil is blocked with dirt, the system will not be able to cool as good as it could if it were clean. The evaporator coil is responsible for removing heat from the air circulated over it and into your home.  Heat transfer is reduced if the air cannot make good contact with the coil.  The only way for the A/C system to compensate is to run longer.  The increase in runtime will raise your operating cost and negatively affect your power bill.

Dirty Air Conditioning Coils May Cause Mold Or Mildew Growth

Air blockage in the air conditioner coil due to it being unclean will result in moisture formation on the coils and lines.  The moisture and dirt are the perfect combination for mold and mildew to grow, which can prevent a serious health risk.  Sometimes there will be a musty smell inside once this starts to happen.  If you suspect your evaporator coil is growing mold, then call for air conditioner coil cleaning as soon as you can before the problems gets worse.

Damage To Your AC Components Such As The Compressor

As your Air Conditioner operates components like the compressor begin to build up heat.  The compressor can remain in operation only so long, and once it reaches the end of the duty cycle it may fail.  Most newer air conditioners are designed to sense this rise in temperature and turn off the system before major damage happens. One of the main reasons for this situation is that the unit needs an air conditioner coil cleaning. Once the thermal overload circuit resets the system goes through the same cycle. Over time this can slowly damage the compressor and other components.  If it isn’t taken care of then a more expensive air conditioning repair could become necessary.

Cleaning your air conditioning coils is something you can do yourself. There are many tutorials online. But, just because you can, doesn’t mean you should, or even that you should want to! If you are you looking for an air conditioner coil cleaning service, our goal is to provide trusted professional AC service.  Just give us a call or make an appointment online. We’ll be happy to help!

Martin Carpenter solo
Martin – Owner

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