Signs of Evaporator Coil Problems in Your Air Conditioner

The evaporator coil is one of many parts crucial to the proper operation of your air conditioning unit. Like any working part, the evaporator coil can break down over time, leading to costly repairs or replacement of the unit.

It is essential that the air conditioning system in your business or commercial building runs efficiently. A unit that blows warm air instead of cool air on hot, humid days creates an uncomfortable climate indoors. That can cost you customers and clients, and cause problems for your workers.

You should recognize the signs that tell you it’s time to buy replacement heating and cooling coils for your heating and air conditioning unit. If you notice the signs, contact an HVAC technician right away.

How It Works

The evaporator coil is located next to the air handler and acts as a heat exchanger. Chemical coolant travels through the coil before cooling as a low-pressure gas at just above the freezing point. The gas from the coil absorbs heat from the air that travels across the coils. The cool air is blown by the air handler into the air ducts and throughout your building.

One of the effects of this process is the moisture that forms as the evaporator coil cools the warm air. The moisture drains through the condensate line into the waste water system. Over time, moisture can cause the evaporator coil to corrode or crack.

Trouble Signs

Leaking water is the most common sign that your evaporator coil needs checking. If the coil is damaged, the amount of condensation from the moisture increases and causes frost to build. When the frost melts, water can leak into the system.

Here are some other signs:

  • The air conditioner switches on and off in short bursts without cooling effectively. This is called short cycling, and it happens when there is frost buildup on the evaporator coils. This can create higher energy bills because the unit is working harder.
  • An unexplained increase in humidity. Corrosion of the evaporator coils from excess moisture means the warm air does not get cooled.
  • Unsettling hissing sounds indicate holes or cracks in the evaporator coils. If you detect these sounds, it could mean a loss of the circulating refrigerant.

Call Discountcoil.com at 877-413-3060 For help

A new HVAC unit can be much more expensive than the cost of repairing or replacing the evaporator coils when there are signs of trouble. If you notice water leakage around the unit or a sharp spike in your energy bills, don’t ignore it. Contact Discount Coil for replacement heating and cooling coils for the unit in your commercial property or business. Guaranteed lowest prices and shortest lead times.

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