It’s & We’re Always Open.

Schedule Your Service Now!

Schedule Your Service Now!

Overview of Common Home AC Repairs

home air conditioning systems are complex machines that require regular maintenance and repair services to ensure they are running optimally. Common issues with home air conditioners can range from minor repairs such as replacing a worn belt or cleaning the filters, to major repairs such as replacing broken fan motors or recharging refrigerant levels. Knowing what signs to look out for and preventative measures to take can help homeowners identify potential issues before they become more serious problems.

Types of Repairs

The most common types of repairs that may be needed for a home air conditioner include: replacing worn belts, cleaning/replacing filters, repairing short cycling, recharging refrigerant levels, and repairing/replacing broken fan motors. Depending on the age and condition of the system, some of these repairs may need to be done more frequently than others.

Signs to Look Out For

When it comes to identifying potential problems with an air conditioning system, there are several warning signs that homeowners should watch out for. These include: strange noises coming from the unit, decreased airflow from vents, warm air coming from vents, higher than usual energy bills, and water pooling around the unit. If any of these signs are noticed, it is recommended that a professional technician be called in for inspection and repair services.

Preventative Measures

In order to keep an air conditioning system running smoothly and efficiently throughout its lifespan, there are several preventative measures that homeowners can take. These include regularly changing/cleaning filters, scheduling annual maintenance checks by a professional technician, keeping the outdoor unit clean and free of debris, and checking the thermostat settings regularly. Taking these steps can help ensure that an air conditioning system runs optimally and helps reduce the risk of costly repairs in the future.

Refrigerant Leaks

Refrigerant leaks are one of the most common home air conditioning repairs. Low refrigerant levels can cause a variety of problems with your system, including reduced cooling capacity and increased energy costs. It is important to be aware of the signs of a refrigerant leak, as well as preventative measures that can help avoid costly repairs.

Causes of Low Refrigerant Levels

The most common cause of low refrigerant levels is a leak in the system. This could be from loose fittings, worn seals, or corrosion on the pipes. Other causes include improper installation and inadequate maintenance, such as not checking for leaks during routine service visits.

Impact on the System

When there is low refrigerant in the system, it will not be able to cool as efficiently or effectively as it should. This can lead to higher energy bills and uncomfortable temperatures in your home or business. Additionally, if left unchecked, a refrigerant leak can cause additional damage to other components of your air conditioning system due to the increased pressure caused by the lack of refrigerant.

Prevention Tips

The best way to prevent a refrigerant leak is by scheduling regular maintenance visits with your local HVAC technician. During these visits, they will check for any signs of a potential leak and make sure all connections are secure and properly sealed. Additionally, you should always be aware of any strange noises coming from your unit or any changes in performance such as reduced cooling capacity or increased energy bills. If you notice anything out of the ordinary with your system, contact an HVAC technician right away so they can inspect it and repair any potential issues before they become more serious and costly.

Refrigerant leaks are a common cause of low refrigerant levels in home air conditioning systems , leading to reduced cooling capacity and higher energy bills. Prevention tips include regular maintenance visits and being aware of any changes in performance.

Short Cycling

Short cycling is a common problem with home air conditioning systems. It occurs when the AC unit turns on and off rapidly, without completing the full cooling cycle. This can be caused by a number of factors, such as an overcharged system or a defective thermostat. Short cycling can cause significant damage to your AC system, leading to higher energy bills and costly repairs.

Reasons for Short Cycling

One of the most common causes of short cycling is an overcharged system. This occurs when too much refrigerant is added to the system, causing it to run inefficiently and turn off before it has completed its cooling cycle. Other potential causes include dirty air filters, faulty wiring or a defective thermostat.

Impact on the System

When an AC unit short cycles, it does not have time to properly dehumidify the air in your home. This can lead to increased humidity levels and discomfort in your living space. Additionally, short cycling puts additional strain on the compressor, leading to increased wear and tear and a shorter lifespan for your AC unit.

Prevention Tips

To prevent short cycling in your home ac system, regularly check and replace air filters as needed. Additionally, make sure that all wiring is properly connected and functioning correctly. If you suspect that there may be an issue with your thermostat or refrigerant level, contact a professional HVAC technician for assistance.

Broken Fan Motors

One of the most common home ac repairs that homeowners encounter is a broken fan motor. The fan motor is responsible for circulating air throughout the system, and when it malfunctions, it can lead to serious problems with the AC unit. In order to keep your AC functioning properly, it is important to be aware of the signs that indicate a broken fan motor and take preventative measures to ensure that it does not happen in the first place.

Reasons for Broken Fan Motors

There are several reasons why a fan motor may become damaged or malfunction. One of the most common causes of a broken fan motor is an accumulation of dirt and debris on the blades or inside the housing. This buildup can cause friction and eventually lead to damage to the fan motor. Other causes include age-related wear and tear, electrical problems such as shorts or surges, and mechanical issues such as faulty bearings or worn out parts.

Impact on the System

When a fan motor becomes damaged or malfunctions, it can have serious consequences for your AC unit. Without adequate airflow, your system will not be able to cool efficiently and you may experience higher energy bills due to your unit running longer than necessary. Additionally, if there is insufficient airflow, moisture can build up inside your unit which can lead to mold growth and other health hazards.

Prevention Tips

Fortunately, there are several steps you can take to help prevent a broken fan motor from occurring in the first place. First and foremost, make sure that you regularly clean your AC unit by removing any dirt or debris from around the blades. Additionally, you should inspect all electrical components periodically for any signs of wear or damage and have them repaired immediately if needed. Finally, schedule regular maintenance visits with a certified technician who can check all components of your ac system for potential issues before they become more serious problems.

Reason for broken fan motorsImpact on the SystemPrevention Tips
Accumulation of dirt and debrisHigher energy billsClean regularly
Age-related wear and tearInsufficient airflowInspect electrical components
Electrical problemsMold growthSchedule maintenance visits with a certified technician


Home air conditioning systems require regular maintenance and repairs to ensure optimal performance. common repairs include refrigerant leaks, short cycling, and broken fan motors. It is important to be aware of the signs that indicate an issue with your system and take preventative measures to reduce the risk of damage.

At Northern Services, we understand how important it is to keep your home comfortable and efficient. Our team of experienced technicians are here to provide reliable solutions for all your HVAC needs. We offer a full range of services including installation, repair, and maintenance for residential and commercial customers. With over 40 years of experience in the industry, you can trust us to get the job done right the first time. Contact us today for more information about our services or to schedule an appointment.