Common Reasons for an Air Conditioner Freeze Up

Common Reasons for an Air Conditioner Freeze Up

Air conditioners are mounted to locations where the sun’s heat predominantly dominates, giving off cold air. It generates numerous benefits to the environment and people’s health, from providing safety and superior quality of life in our own homes. However, as aircon might appear beneficial, it can likewise be associated with several unit troubles. One of which is the probability of freezing up. Below are the reasons why this reality happens.

Various Reasons for Air Conditioner Freeze Up

1. Blocked Compressor Coils

Compressor coils are significant as the center of every air conditioning system as it pumps refrigerant throughout the system. These are made to provide adequate surface area for the heated icebox to move along. The fan blows cold air throughout it, carrying away the heat and causing the refrigerant to condense. When various particles blow over the coils, it can create a thick dirt accumulation which can function as an insulator, trapping the airflow inside it. Thus, producing an excessive amount of freezing, and when mixed with humidity, it generates an icebox effect; this may need a Raleigh HVAC repair.

2. Collapsed Air Duct

The duct is the part of the unit involved in the consistent airflow of cool breeze around the property. Suppose the rest of the system runs smoothly, but the aircon appears to be slightly off supplying cold air. The possibilities are that the duct can be clogged, hence blocking the airflow to the coils. When this component breaks down, it starts to freeze as there is not enough warm air to maintain an optimal temperature. As a result of this, the air stops flowing normally and appropriately.

3. Congested Air Filter

Intake filters are a significant component of air conditioners involving the house ventilation system and the unit itself, yet they are often ignored and disregarded. This part operates to catch various debris, particulates, and pollutants, including dust, molds, pet dander, and fungal spores, maintaining the air and compressor coils clean. When this component is blocked, it slows down the airflow, minimizing the blower’s efficiency; for this reason, the coils will begin to freeze up. When this happens, you can visit different HVAC websites and check them out here for more advice and tips. 

4. Damaged Blower Motor

Air conditioners are installed with two types of motor, the spinning and blower motors. These parts matter significantly in the system as it activates the fan, taking the cooled air to move along the unit, providing a cold ambiance around the house. Suppose, by any chance, the capacitor of these motors is damaged. In that case, the fan will immediately stop blowing, ceasing the airflow over the coils. Once this occurs, the coils will start to ice up, creating irregular and rattling sounds.

5. Inadequate Refrigerant

Refrigerant is a chemical compound used for aircon that absorbs the heat from the environment and manages the pressure, thus giving off cool air as it runs through the compressors and evaporators. If the refrigerant level is limited, warm air can not be converted into gas that heats up and drops the pressure. It would produce enough cold air to condense moisture for ice to build up, thereby freezing the unit and crawling through the copper pipes. When this happens, schedule for an All American Heating & Air service for detailed unit maintenance and repair.

6. Low Voltage Electricity

Commonly, we are occupied and attempting to look for the party responsible for device freezing. Yet, we literally don’t recognize that electricity could be a culprit. There are different air conditioners supplied on the market, and the voltage criteria rely on the unit’s overall size. It is necessary to power up high system components to function correctly. So, if it is underpowered while the compressor is running, this can cause an airflow freezing problem.

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