Skip to main content
Serving Gainesville, GA
& Surrounding Areas

View Specials
24/7 Emergency Service
(770) 232-6523

Understanding Common AC Issues and Fixes

Understanding Common AC Issues and Fixes

TL;DR: Understanding common AC issues like airflow problems and thermostat glitches is key to maintaining comfort and efficiency. While some fixes can be DIY, complex issues like electrical faults or refrigerant leaks require professional help. With expert assistance, you’ll ensure safety, maximize efficiency, and protect your warranty. Consider Gee Heating and Air for all your HVAC needs, from maintenance to installations. Schedule a consultation today for a more comfortable home.


The air conditioning seems to be our best friend during those scorching summer months. You’re not alone in feeling this way. In 2020 alone, almost 90% of the homes in the USA used an air conditioner. 

Understanding the common problems that can arise and knowing the appropriate solutions is crucial, not just for maintaining a cool atmosphere. It’s about efficiently managing our resources to save time and money, all while ensuring the well-being and comfort of our families. 

This understanding enables us to respond quickly and efficiently, reducing inconvenience and disturbance in our everyday lives. Let’s explore the possible AC unit issues you might encounter.

Common AC Issues and Fixes

Grasping common issues and their solutions in air conditioning maintenance is crucial for keeping a comfortable and efficient home environment. Let’s explore some of the most common issues.

Airflow Complications

One of the frequent challenges encountered with air conditioning systems is compromised airflow, leading to subpar cooling performance. A primary culprit for this issue is often a dirty air filter, which can significantly obstruct air movement. It’s advisable to inspect and, if necessary, replace your AC’s air filter approximately every 1-3 months. 

Such maintenance ensures optimal air quality and efficiency. Verifying that all vents within the space are fully open and free from obstructions is crucial to maintain unimpeded air circulation throughout the area.

Refrigerant Leakage

Refrigerant plays a vital role in the AC’s functionality, facilitating the removal of heat and moisture from the indoor environment. Leakage of this crucial substance can severely impair cooling efficiency and system performance. 

Addressing refrigerant leaks and managing the substance itself necessitates professional expertise and equipment. That’s why it is imperative to enlist the services of a qualified HVAC technician to rectify such issues effectively.

Thermostat Calibration

Thermostat-related issues can significantly affect the overall comfort and operation of your AC system. Ensuring that the thermostat is set correctly to “cool” mode and verifying the accuracy of temperature settings are preliminary steps in troubleshooting. 

Persistent issues might indicate the need to recalibrate or even replace the thermostat. Swapping out the batteries in a battery-operated thermostat could rectify issues related to power or irregular functioning.

Drainage Dilemmas

An essential function of AC units is dehumidifying indoor air. The extracted moisture is typically expelled via a drainage system. A blockage within this drainage conduit can result in water leaks and possible harm. 

Regular inspections and cleaning the drain line is essential in preventing such complications. For those uncertain about undertaking this task, professional assistance is a wise option to ensure proper maintenance and safety.

Electrical Malfunctions

Deteriorating capacitors or tripped circuit breakers are electrical failures within an AC system that can prevent its operation. Resetting a tripped circuit breaker by switching it off and then on can sometimes restore power to your AC unit. However, professionals should address repeated tripping or more complex electrical issues.

Issues with Frozen Evaporator Coils

Low refrigerant levels, dirt accumulation on the coils, or airflow restrictions can lead to freezing the AC’s evaporator coils. This freezing impedes the system’s ability to transfer heat, diminishing cooling efficacy effectively. 

Inspect and change any filthy air filters and verify that the vents are free from obstructions. This can help mitigate issues leading to frozen coils. Cleaning the evaporator coils with a soft brush or specialized coil cleaner can improve performance. Handle the coils carefully to avoid causing any damage.

Noises During Operation

Odd noises coming from an air conditioning unit may signal different issues. Buzzing noises may point towards electrical issues, while banging sounds could signal loose internal components. 

You can check for any visible loose parts or screws that may be causing rattling noises and tighten them as necessary. 

When to Call a Professional

It’s important to distinguishing between AC issues you can handle on your own and those that necessitate professional expertise. Here are some situations where seeking professional assistance is crucial.

Electrical Issues

Electrical complications within an air conditioning system, such as malfunctioning circuit breakers, wiring faults, or failing capacitors, present not only a challenge to the untrained but also significant safety risks. 

DIY attempts to fix these issues without the appropriate knowledge, tools, and safety precautions can lead to electrical shocks or further damage to the system. Professional technicians are equipped with the necessary safety gear, tools, and expertise to diagnose and rectify electrical problems safely and effectively.

Refrigerant Leaks

The refrigerant system is surely the most important part the helps the functioning of the AC. Leaks are very often difficult to detect and almost impossible to repair on your own, unless you have extensive knowledge on the matter and the right specialized tools. 

Considering that thee are safety standards and environmental regulations that need to be followed when handling refrigerants, it’s best to leave it to the experts. Find an expert team that is certified in HVAC systems with the training and equipment to safely find and fix leaks.

Complex Mechanical Failures

Air conditioners are intricate systems comprising numerous mechanical components, including compressors, evaporator coils, and fans. When these components malfunction, the repair process involves a deep understanding of the system’s mechanics and the ability to troubleshoot complex issues. 

Professional HVAC technicians leverage their vast experience and specialized diagnostic equipment, enabling them to pinpoint the exact cause of an issue and carry out accurate and effective repairs.

The Importance of Professional Assistance

Engaging with certified technicians for complex AC issues ensures that repairs are conducted with precision and care, aligning with industry standards and best practices. Now, let’s explore the crucial benefits of professional assistance, starting with the paramount importance of safety.

Ensuring Safety

Professional HVAC technicians adhere to rigorous safety protocols to handle the potential hazards associated with AC repair, including electrical risks and the handling of hazardous materials like refrigerants. Their expertise ensures that repairs are conducted safely, protecting you and your property.

Maximizing Efficiency

Thanks to their specialized training and experience, professionals can swiftly diagnose and resolve issues, significantly reducing your AC unit’s downtime. This swift service ensures your system is operational in no time, bringing comfort back to your living space.

Cost-Effectiveness in the Long Run

While enlisting professional help incurs an upfront cost, it often proves more economical over time. Professional repairs can prolong the life of your AC unit, avert repeated problems, and shield you from larger, more expensive failures down the line.

Preserving Your Warranty

Many air conditioning units come with manufacturer warranties that stipulate that certified professionals must perform repairs. Attempting DIY repairs could void these warranties, leading to higher costs if major issues arise later.

Find a Nearby Expert to Fix Common AC Issues

Understanding common AC issues and fixes is essential for maintaining a comfortable and efficient living environment. Routine upkeep and prompt fixes can stop small issues from escalating into larger complications, keeping your AC system running smoothly for the foreseeable future.

Gee Heating and Air provides a range of HVAC services to meet all your heating, cooling, and air quality needs. Our skilled team prioritizes customer satisfaction and offers services ranging from regular maintenance and repairs to full system installations and replacements.


Schedule a consultation today and take the first step towards a more comfortable and efficient home.

Leave a Reply

Your email address will not be published. Required fields are marked *

AC Installation Explained