Why Is My Air Conditioner Constantly Shutting Off?
Residents of Wildwood, FL rely on air conditioning for relief from the heat and humidity. When an air conditioner doesn’t perform properly, indoor comfort is affected. One of the most common problems with air conditioner performance is short cycling. There are several reasons why an air conditioner shuts off before reaching the temperature set point. Some are easily remedied by a homeowner. Others are more difficult to correct and may require the services of an AC repair professional.
Filters prevent airborne pollutants from entering the system. When filters get dirty, dust and particulates settle on coils and other components. Dirty filters restrict airflow and affect the pressure of the system. This prevents air from cooling the coils, which makes the compressor run at hotter temperatures. If the compressor is overheated, it may shut down prematurely. Eventually, the compressor will fail.
Ice on Coils
A dirty filter is often the cause of ice formation. Moving air removes moisture from the coil and the air around it. When there is insufficient airflow, moisture freezes and ice forms, which prevents the unit from cooling.
Ice can also form from refrigerant problems. Too much or too little refrigerant, clogged tubing or a malfunctioning expansion valve can affect the cycle of refrigeration, which can cause the compressor to overheat and shut the unit off.
A unit that is too large will reach the temperature set point quickly and shut off. Rooms may feel clammy because the unit has not run long enough to remove humidity. Frequent startups use more energy and may reduce the service life of the unit.
DeSantis Appliance and AC Service Inc has provided a full range of heating and air conditioning services for Florida residents since 1978. We take the time to evaluate the unique conditions of your property and use industry standards to ensure that new installations are sized properly. Preventive maintenance reduces the occurrence of breakdowns and prolongs the unit’s service life.
For more information about how to keep your HVAC unit working efficiently, speak to our NATE-certified technicians at (352) 414-2328.
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