Your air conditioner works hard throughout the summer months to keep your home cool and comfortable. Over time, this can take a toll on its condition, causing it to operate less effectively. One issue that’s particularly important to watch out for is ice buildup on the outside of your unit. This will keep your system from distributing air properly and put extra stress on the compressor, which can have costly consequences. Fortunately, an HVAC contractor can usually fix the problem before serious damage occurs. The following guide explains why ice forms and how to avoid it.

A Guide to Frozen Air Conditioners

What Are the Common Reasons Ice Builds Up?

There are several reasons an air conditioner may freeze, but three of the most common are due to restricted airflow, low refrigerant levels and clogged filters. If the airflow in your system becomes blocked, less air will be delivered to the evaporator coil for cooling. Without a consistent flow of hot, humid air, the coil will begin to freeze. Insufficient airflow can be the result of a dirty filter, closed or obstructed supply registers, or a faulty fan.

If your system is low on refrigerant, it will lead to a drop in pressure, causing the temperatures inside the evaporator coil to drop below freezing. Nearby moisture that’s been collected from the air will then freeze and form a layer of ice on the coil. Low refrigerant typically means there’s a leak somewhere in the system.

What Are the Preventive Methods & Solutions?

The best way to prevent ice buildup is by scheduling annual air conditioner maintenance with a professional HVAC contractor. This should be done before every cooling season to prepare your unit for heavy use. During a checkup, they’ll thoroughly inspect the system, which involves looking for refrigerant leaks, changing your air filter, and making sure the blower fan is functioning properly. If low refrigerant levels are detected, your HVAC contractor will locate the leak, repair it, and recharge the coolant. If something is wrong with the fan, they can make the necessary repairs to increase its speed.   

If your air conditioner is freezing up, trust the HVAC contractors at Philip Perkins Heating & Air Conditioning to get it working again quickly. They’ll find the source of the problem and take the correct steps to ensure your system operates at peak performance for the duration of summer. Since 1987, this family-owned company has remained committed to providing Middletown, OH, residents with high-quality heating and cooling solutions at competitive rates. Call (513) 423-7052 to schedule an appointment, or visit them online for more information about their services.