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  • Writer's pictureWRIGHT'S A/C & Heat

Tips to Overcome Common AC Repair Challenges

common ac repair issues

There's nothing more comforting than the cool embrace of a well-functioning air conditioning (AC) system to keep our indoor temperature comfortable. However, AC units are not immune to malfunctions, and it can be frustrating when they don’t work well. Common AC repair challenges can range from minor inconveniences to major headaches, disrupting the comfort of our living spaces. In this comprehensive guide, we'll explore the typical hurdles homeowners face when dealing with AC issues and provide practical tips to overcome them.

Understanding Common AC Issues

Refrigerant Leaks

Refrigerant leaks are a notorious culprit when it comes to AC malfunctions. Low refrigerant levels can hamper the cooling efficiency of your system, leading to discomfort on sweltering days. Signs of refrigerant leaks include diminished cooling capacity, hissing sounds, and icy build-up on the evaporator coil. While DIY refrigerant recharge kits are available, it's crucial to emphasize the importance of professional assistance in handling refrigerants. Mishandling these substances can pose serious health risks and may result in further damage to your AC unit.

2. Frozen Evaporator Coils

Frozen evaporator coils can bring your cooling system to a standstill. The common causes include restricted airflow, refrigerant issues, or a malfunctioning thermostat. If you notice ice formation on the coils, turn off the AC and allow the ice to thaw. Once thawed, investigate and address the root cause of the freezing. This may involve changing clogged air filters, cleaning the evaporator coil, or adjusting the thermostat settings.

3. Faulty Capacitors

Capacitors play a crucial role in starting and running the motors in your AC unit. When capacitors fail, you may experience symptoms such as intermittent cooling, unusual noises, or the inability of the AC to start. While some homeowners might be tempted to tackle capacitor replacement as a DIY project, it's advisable to consult a professional. Capacitors store electrical energy, and mishandling them can result in electrical shock or damage to your AC system.

DIY Maintenance Tips

Regularly Change Air Filters

One of the simplest yet most effective ways to ensure your AC functions optimally is by regularly changing the air filters. These filters prevent dust and debris from entering the system, improving indoor air quality and preserving the longevity of your unit. Check your filters monthly and replace them every 1-3 months, depending on factors like the type of filter and the level of usage.

Clean and Clear Condenser Unit

The condenser unit, typically located outside, is exposed to the elements year-round. Debris such as leaves, twigs, and dirt can accumulate around the unit, obstructing airflow and hindering its efficiency. Periodically clean the area around the condenser and remove any debris. Additionally, consider investing in a condenser cover during the off-season to protect it from the elements.

Professional AC Maintenance

Regular Scheduled Inspections

While DIY maintenance is crucial, there's no substitute for professional expertise. Regularly scheduled inspections by HVAC professionals can identify potential issues before they escalate into major problems. These inspections typically involve a comprehensive examination of the entire system, including refrigerant levels, electrical components, and thermostat calibration.

Annual HVAC Servicing

Beyond inspections, consider investing in annual HVAC servicing. This involves more in-depth analysis and cleaning of various components, ensuring your AC unit operates at peak efficiency. While there is a cost associated with professional servicing, the long-term benefits, such as improved energy efficiency and reduced likelihood of breakdowns, often outweigh the initial expense.

Troubleshooting Techniques

Checking Thermostat Settings

Sometimes, the solution to your AC woes can be as simple as checking the thermostat settings. Incorrect settings or a malfunctioning thermostat can lead to inconsistent cooling. Ensure that the thermostat is set to the desired temperature and consider upgrading to a programmable thermostat for greater control over your cooling system.

Inspecting Ductwork

Leaky or blocked ductwork can significantly impact the performance of your AC system. Inspect your ducts for visible leaks and seal them using duct tape or other appropriate materials. Additionally, ensure that vents are unobstructed and free from dust, as this can impede airflow and reduce efficiency.

When to Seek Professional Help for Common AC Repair Challenges

While DIY efforts can address minor issues, it's crucial to recognize the limitations of your expertise. Complex problems, such as electrical issues or refrigerant leaks, are best left to trained professionals. Attempting advanced repairs without the necessary skills can lead to further damage and increased repair costs.

Signs That Indicate the Need for Professional Intervention

Strange Noises: Unusual sounds, such as banging, screeching, or grinding, can indicate mechanical issues within your AC system. Professional technicians can diagnose and address these issues effectively.

Inconsistent Cooling: If you notice inconsistent cooling throughout your home, it may be a sign of underlying problems. Professional intervention can identify and rectify issues with the compressor, refrigerant levels, or other critical components.

Budgeting for AC Repairs

While routine maintenance can minimize the likelihood of major repairs, it's wise to set aside a budget for unexpected issues. AC units, like any complex machinery, can experience unforeseen malfunctions, and having a financial cushion can alleviate the stress associated with unexpected repair costs.

Obtaining Multiple Quotes for Major Repairs

When faced with significant AC repairs, it's prudent to obtain multiple quotes from reputable HVAC professionals. This allows you to compare costs, services offered, and warranties, ensuring that you make an informed decision that aligns with your budget and expectations.


Maintaining a cool and comfortable home requires proactive efforts to understand and address common AC repair challenges. From DIY maintenance tips to the importance of professional inspections, this guide serves as a roadmap to a well-functioning AC system.

By implementing these tips and staying vigilant for signs of trouble, you can ensure that your AC unit operates efficiently, providing reliable comfort during the hottest days of the year. Regular care and attention to your AC system not only enhance its lifespan but also contribute to a more sustainable and energy-efficient home environment.

Schedule a consultation with Wright’s AC & Heat, your reliable AC repair company in Wimberley. We install, service, and maintain HVAC systems to ensure the comfort of our customers.

Contact us today.

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