Air Conditioning Repair Guide: The Problem with Dirty Coils

There are two sets of coils in your air conditioning system: the condenser coils and the evaporator coils. Each set plays an important role in the heat release and cooling process. When something is wrong with the coils, it affects the refrigeration cycle, which can impact your whole system. The coils are intricate, and because refrigerant flows through them, it is important to hire trained professionals to handle any air conditioning repair in Arden, NC that involves your system’s coils. Comfort Central, Inc., technicians are here to help you with any AC repair need you may have, so don’t hesitate to call us.

What Are the Coils?

The coils in your air conditioning system are narrow, serpentine tubing made of copper covered by thin, metal fins. In the refrigerant cycle of your AC, the condenser coils release heat from hot, high-pressure gaseous refrigerant that flows into the condenser coils from the compressor. Conversely, when refrigerant flows into the evaporator coils, it is a cool, low-pressure gas that absorbs heat from your indoor air as provided by a return duct. The blower (fan) blows this warm air over the coils, where the heat is absorbed, and the resulting cool air is blown into your home through the ductwork.

How Does Dirt Affect Coils?

Through normal use, the coils in your air conditioner can become dirty. Dirt and dust cling to the coils, and if allowed to build, can create a layer that acts as insulation. Anything insulating the coils inhibits the correct operation of them: the condenser coils will not be able to properly release heat, and the evaporator coils will not be able to absorb heat. Once the refrigeration process is imbalanced, the entire operation of your system can be compromised.

Signs of Dirty Coils

There are a few key signs that you may have dirty coils:

  • Decrease in air flow
  • Increase in refrigerant pressure drop
  • Warm air blowing into your home
  • Strain on your compressor

Dirty coils can disrupt the operation of your air conditioner, or even lead to breakdown. The best way to keep your coils clean is with bi-annual maintenance. During any maintenance appointment, your coils are thoroughly inspected and cleaned of dust, dirt and debris. If you are seeing the signs that your coils may be dirty, call Comfort Central, Inc., for air conditioning repair in Arden, NC right away.

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