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The Dangers of Ignoring Ice on Your Air Conditioner: Protect Your System with Nicholson Mechanical



Have you ever noticed the formation of ice on your air conditioner? While it may appear harmless, overlooking this issue can lead to significant damage to your system. At Nicholson Mechanical Contractors, we understand the importance of addressing ice formation promptly. In this blog post, we'll explore why ice forms on air conditioners, why you shouldn't ignore it, and what steps you should take if you encounter this problem.

Why Ice Forms on Air Conditioners: When ice or frost develops on an air conditioner, it typically occurs on the evaporator coil, located indoors. The evaporator coil plays a crucial role in the cooling process by absorbing heat from the indoor air. Here are the three most common reasons behind ice formation on air conditioners and evaporator coils:

  1. Lack of Air Flow: Insufficient air circulation can cause the evaporator coil to become excessively cold, resulting in the freezing of condensation on the coil. The primary cause of poor airflow is often dust-clogged air filters.

  2. Low Refrigerant Levels: Although it may seem counterintuitive, low refrigerant levels can lead to the freezing of the evaporator coil. When refrigerant is low, the system's pressure and temperature drop. If the temperature falls below freezing, condensation on the coil can freeze.

  3. Dirty Evaporator Coil: When dirt and debris accumulate on the evaporator coil, its ability to absorb heat efficiently is compromised. Inadequate heat absorption causes the coil to become extremely cold, leading to the freezing of condensation.

Why You Shouldn't Ignore Ice on Your Air Conditioner: The presence of ice may not appear to be a major concern, but it significantly affects your air conditioner's functionality. Once ice forms on the evaporator coil, it hampers the coil's ability to absorb heat from the indoor air. This, in turn, causes the coil to become even colder, exacerbating the ice formation. As the ice thickens, it restricts the flow of warm air through the coil, worsening the problem.

Furthermore, the freezing of the coil affects the movement of refrigerant in your AC system, impeding its transition between liquid and gas states. This transition is vital for the proper functioning of your AC and prevents breakdowns. If liquid refrigerant reaches the compressor, it can cause irreversible damage, resulting in costly replacement.

What To Do if Ice Forms on Your Air Conditioner: It's crucial not to ignore ice or frost on your air conditioner. Instead, follow these steps to address the issue effectively:

  1. Turn off your air conditioner and allow the ice to thaw naturally. This process may take a few hours, but you can speed it up by using a hairdryer with caution.

  2. Avoid scraping or hacking away the ice, as this could damage the delicate evaporator coil.

  3. Check your air filter. If it's dirty, replace it. If it's clean, ensure its efficiency rating is suitable for your system. Some older systems may not be compatible with high-rated filters.

  4. Contact an HVAC technician from Nicholson Mechanical Contractors to inspect your AC thoroughly. They will examine the coils, blower fan, and refrigerant level. Any motor issues affecting airflow or low refrigerant levels can be addressed promptly.

Remember, continuing to operate your AC with ice formation can lead to irreparable damage to the compressor, resulting in significant expenses.


Air Conditioner Repair by Nicholson Mechanical Contractors: At Nicholson Mechanical Contractors, we prioritize prompt and reliable service for all your air conditioning needs. Whether you're dealing with ice formation on the evaporator coil or any other system issue, our team is available in Farmington, MO, and surrounding areas. Contact us today to schedule a service appointment at (573) 756-3599. "Just Call & We'll Be There!"

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