Signs the Air Conditioning System Needs Repairs
The average lifespan of an air conditioner is anywhere from 15 to 20 years. Although replacement may not be necessary before then, some repairs are often required after the first few years. Before losing money and comfort from a broken air conditioner, certain warning signs can help homeowners know when to call the professionals.
Spooky Sounds Inside the House
Multiple noises indicate an air conditioner is on the fritz. Screeching sounds are the most common. Screeching noises usually come from a broken fan motor inside the outdoor condenser. This unit is connected to the inside of the house and is designed to pull heat from the refrigerant. The compressor must be fixed if the AC has a broken motor.
One of the scariest sounds homeowners describe is a banging or knocking noise from the other side of the wall. Although this can make the house seem haunted, it’s likely caused by the compressor. If parts become loose, this creates a rattling noise when the air conditioner is turned on. Homeowners are advised to completely turn off the air conditioning system and monitor any additional noises to determine if there are stray components in the compressor.
If there is an air duct leak in the home or other problem with the AC, this can significantly raise electric bills. In addition to keeping an eye on the bills, homeowners should pay attention to any potential hissing sounds. Hissing can occur when the expansion valve is not fully connected, or there is a leak in the ductwork. Although air is technically blowing, it will not adequately cool the entire house.
The thermostat connects to the air conditioner to let it know how much cool air to circulate. The thermostat controls the system, so if the thermostat malfunctions, the air conditioner may stop and start at odd times in the cycle. These cycles that are too long or short can waste energy and put undue wear and tear on the unit, so homeowners should take a malfunctioning thermostat as an indicator to call a qualified professional.
Homeowners can use an old-fashioned mercury thermometer to test whether their thermostats are working correctly. The thermometer should be securely on the wall next to the thermostat so that both temperatures can be compared. For an accurate result, homeowners are advised to wait approximately one hour before comparing the two temperatures.
Homeowners may have a room or two that never seem to cool down, no matter how low they set the thermostat, or maybe some rooms are comfortable while others are downright cold. Uneven cooling is a common issue with central air conditioning systems, and it’s usually not a sign of a ghost haunting the home. More likely, it’s a sign that something is wrong with the AC system. Here are some common causes of uneven cooling.
One of the most common causes of uneven cooling is dirty air filters. When the air filter is clogged, it restricts airflow to the evaporator coil. This can cause the coil to freeze, which reduces the ability of the coil to absorb heat. As a result, the AC system won’t be able to cool the home as effectively, and homeowners may notice that some rooms are warmer than others.
Another common cause of uneven cooling is a dirty evaporator coil. When the coil is covered in dust and dirt, it can’t absorb heat as effectively. This can cause some rooms to be warmer than others. If ductwork leaks, it can also cause uneven cooling in a home. Leaks in the ductwork can cause cool air to escape before it reaches its intended destination. As a result, some rooms will be warmer than others.
If an AC system leaks refrigerant, it can also cause uneven cooling. Refrigerant leaks can also cause the evaporator coil to freeze, which reduces the ability of the coil to absorb heat. As a result, some rooms will be warmer than others. If homeowners notice uneven cooling in their homes, it’s essential to call a qualified HVAC technician for repairs.
About Hales AC
Hales AC has over three decades of experience serving St. Petersburg, FL, and the surrounding areas. They offer flat-rate pricing, 24-hour emergency service, and versatile financing. Call them today for air conditioning repairs and maintenance in St. Petersburg, FL.
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