Richmond Hill, Georgia

When to Replace Your Evaporator Coil May 20, 2019

Richmond Hill, Bryan
When to Replace Your Evaporator Coil, Richmond Hill, Georgia

An evaporator coil is an integral part of your HVAC system. It regulates the temperature in your home, regardless of whether you’re heating or cooling or what type of fuel the system uses. Knowing why and when to replace it will save you money and extend the life of the system, so here’s a closer look at this component.

What to Know About Your Evaporator Coil

What Is It?

This vital part regulates temperature. It’s filled with refrigerant that evaporates the air the HVAC system brings in from outside. It’s a heat exchanger as well, creating hot or cold air as you need it. The coil also dehumidifies hot air while it’s cooling, acting as a dehumidifier for your home. Simply put, without the coil, your HVAC system won’t function properly.

How Can It Fail?

Parts of the coil will naturally erode with exposure to water and temperature variations. The tubes of the coil are connected to a finned surface, and these bonds can fail over time with regular wear and tear. Dirt and improper venting can cause components to overheat or function below capacity.

How to Prevent Premature Coil Failure

evaporator coilThe evaporator coil in your heating and cooling system should last up to 20 years with regular care. To prevent premature failure, make sure to change filters regularly to keep dirt and debris from settling on and affecting the coil. Keep HVAC blower vents clear and remove leaves, branches, and other plant material from your AC’s outdoor condenser unit. Each part of the system affects another, so regular maintenance of the entire system is the best prevention.

When to Replace the Evaporator Coil

If your AC unit won’t start, turns off and off frequently, blows hot air instead of cool, or leaks refrigerant, it’s probably time to call in a professional. Banging, hissing, or other strange noises are another sign of trouble. It’s possible that the coil can be repaired, but it’s often more cost-effective to replace it, especially if your HVAC system is more than 10 years old. 

 

Preventive maintenance concerning the evaporator coil can keep your HVAC system running smoothly. Richmond Hill Air Conditioning, serving greater Savannah, GA, offers complete air conditioning installation, repair, and maintenance. The company is proud to have provided reliable, certified, and licensed service since 1986. Call (912) 756-2288 to schedule a repair visit or go to the website to see a full list of offerings.

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