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Why Is My AC Not Cooling My House?

Woman adjusting the thermostat while feeling hot and blotting sweat from forehead

During the California summers, the sweltering heat increases your need for a reliable air conditioning system. Homeowners turn to All American Plumbing, Heating & Air for seasonal tune-ups or repairs when their cooling systems are not performing as expected. Extreme heat can place substantial strain on your AC system. When an issue develops, prompt repairs prevent minor problems from spiraling out of control.

Common Issues That Prevent Your AC From Cooling Properly

When it comes to air conditioning problems, you can avoid many issues with a spring tune-up. Our technicians will help you avoid system strain due to your AC sitting idle during the winter months. Annual maintenance before the start of summer can also catch issues before they escalate into more costly, time-consuming repairs. Signing up for our maintenance program makes caring for your system easy.

Even well-maintained cooling systems can develop issues that prevent them from cooling properly. The most common include airflow restrictions, refrigerant leaks, electrical faults, and faulty thermostats. When you recognize there is a problem, call us to complete professional diagnostics and AC repairs.

Airflow Restrictions

Airflow issues can stem from various factors, such as dirty filters and blocked vents. This issue often results in poor indoor air quality. When air cannot flow properly through your system, it can hinder filtration. This can result in more dust and allergens circulating through your home. Poor airflow can also lead to frozen evaporator coils. When the indoor coil doesn’t receive enough airflow, it can cause your system to freeze up. Lack of airflow can also cause your equipment to overheat, resulting in a shutdown and damage to internal components.

Refrigerant Issues

Low refrigerant levels cause your system to run for longer periods than usual as it struggles to keep up with cooling demands. You may also hear hissing or bubbling sounds, which are another indication of a leak somewhere in the system. Corrosion, loose connections, and aging seals are common causes of these issues. As refrigerant levels drop, your AC may struggle to maintain the set temperature, and the air from the vents may feel warmer than expected. In some cases, exposure to leaking refrigerant can cause symptoms such as respiratory irritation or dizziness. If the problem persists, low refrigerant levels can cause the compressor to overheat, leading to costly system damage or failure.

Thermostat Problems

If your thermostat has problems, it can greatly impact how well your AC cools your home. A faulty sensor may cause the thermostat to read the room temperature incorrectly, leading to uneven cooling or longer periods without the system turning on. In some cases, the thermostat may also need recalibration to ensure it is reading temperatures accurately. Calibration and sensor issues can prevent your AC from kicking on as often as it should, allowing indoor temperatures to rise above the desired setting.

Electrical Faults

If your AC has electrical issues, it may stop working completely or operate intermittently. Warning signs can include tripped breakers, burning odors, or the system turning on and off unexpectedly. Electrical problems can create safety risks if left unaddressed. This is especially true when wiring or components begin to overheat. During diagnosis, technicians typically check breakers, fuses, and electrical connections to identify the source of the problem. They will also inspect wiring and components such as capacitors for signs of wear or damage. Repairs may involve replacing damaged wiring and faulty electrical components.

System Strain

Lack of maintenance in the spring can lead to mechanical issues when your system starts up for the season. Without regular service, moving parts may not be properly lubricated, which increases friction and strain on components when the system turns on. The fan motor can also struggle to start after sitting idle for months, forcing it to use more electricity to get moving. When parts operate beyond their design limits, it can lead to premature component failure and reduced system efficiency. Over time, this added strain can result in higher energy bills and more frequent repairs.

Contact Your Local Cooling Experts

At All American Plumbing, Heating & Air, we have been serving the residents of Le Grand, CA, and the greater Central Valley area since 2001. We are a family-owned business that tailors our air conditioning services to your home. In addition to maintenance, you can count on us for 24/7 repair services.

Contact us today to schedule an appointment with one of our experienced technicians.

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