Do You Have a Bad Evaporator Coil? What are The Signs?

The evaporator coil is a vital component to HVAC systems ability to cool. Evaporator coils are located inside next to the air handler. A damaged coil can prevent your unit from cooling efficiently, if at all. A properly installed evaporator coil can last for over 10 plus years without any issues. Just like with any mechanical equipment, unexpected surprises can surface. Most evaporator coils issues are caused by poor maintenance

Signs of a Bad Coil

Diagnosing a bad Evaporator coil should always be done by a professional as coils can be dangerous and hazardous if not handle correctly. Bur there are few signs to that may suggest that you have an issue with your evaporator coil.

Warm air blowing throw the vents. Place you hand over a vent to see if you feel warm air. If you have a digital laser thermometer, check the temperature of the air at the vents. If the air near the vents are slight color or equal to room temperature, you may have a evaporator coil problem.

• Water leaking from your unit or inside roof near your air conditioning
• AC Unit won’t turn on
• Unit seems to stay on all day or longer than normal without cycling on and off.
• Strange or loud noises being heard from the unit.

Common Evaporator Coil Problems

• Dirty air filter is one of the common culprits for a damaged Evaporator coil.
• Dirty evaporator coil
• Frozen evaporator coil