Annual AC Service Checklist: Maintaining Optimal Performance

Maintaining an air conditioning system is crucial, not just for the comfort of your home or office but also for the efficiency and lifespan of the unit. As specialists in AC service, we understand the significance of keeping your system in top condition through annual maintenance. This regular service not only enhances the performance of your AC unit but also helps in detecting potential issues that could lead to costly repairs if ignored.

At the core of effective air conditioning maintenance is the understanding of key components that need regular checks to ensure they are functioning correctly. This process can seem daunting to many, especially considering the complexity of modern AC systems. Therefore, we provide a guided approach to conducting your annual AC service, tailored to both residential and commercial systems. Through our professional service, we aim to mitigate common issues that arise with routine usage, ensuring your AC performs optimally throughout the year.

By entrusting this task to our professionals, you not only save time but also benefit from the expertise that comes with years of servicing different types of AC systems. This proactive approach to AC maintenance forms a pivotal part of property management, contributing significantly to the overall operational efficiency and safety of your environment, whether at home, in commercial settings, or at new construction sites.

Key Components of Your AC to Check Annually

Ensuring the reliability and efficiency of your air conditioning unit begins with regular checks on several key components. At our company, we emphasize the importance of keeping an eye on these components annually to prevent any significant issues in the future. One of the first components to check is the air filter. A clogged or dirty filter restricts airflow, causing the unit to work harder, which increases energy costs and reduces its lifespan. Additionally, the condenser coils must be inspected; these are prone to accumulating dirt and debris, which impair their ability to dissipate heat.

Another crucial component is the thermostat. This device, often overlooked, controls the entire operation of your AC system. We ensure it is calibrated correctly to keep your home comfortable without overworking the system. Checking the coolant levels is also vital; low levels might indicate a leak, which can lead to poor performance and potential system damage. Lastly, inspection of the blower motor and belts for signs of wear and tear is critical as these can impact the efficiency of air circulation through your home. Regular assessments and maintenance of these components ensure that your AC system operates at peak efficiency and comfort.

Step-by-Step Guide to Conducting Your Annual AC Service

Annual service of your AC unit is not just recommended; it is essential for extending the life of the system and ensuring it runs efficiently. Here’s a detailed, step-by-step guide that our professionals follow. First, we shut down the power to ensure safety before starting any maintenance work. This is a crucial step to prevent any accidents or damage to the system. Next, we begin with a thorough cleaning of the condenser coils. Over time, these coils become enveloped in dirt and debris, significantly reducing the system’s efficiency.

Following the coil cleaning, our technicians will inspect and clean the drain pan and drainage system to prevent blockages, which can cause water leakage and humidity issues inside your home. We then replace or clean the air filters, an essential step in maintaining air quality and the efficiency of the AC unit. Moving on, we check all electrical connections to ascertain they are secure and test circuit breakers to prevent electrical issues. Lastly, we examine the coolant levels and recharge the system if necessary. By following these steps meticulously, we guarantee your AC system remains reliable throughout its operational life.

Common AC Issues Detected During Annual Service

During our comprehensive annual AC services, we often uncover a variety of issues that, if left unaddressed, could lead to bigger problems and costly repairs down the road. One common problem we encounter is refrigerant leaks. These leaks not only decrease efficiency, resulting in higher utility bills and decreased cooling power, but they can also cause serious damage to the compressor, as it’s designed to operate with a specific quantity of refrigerant.

Another frequent issue is worn-out capacitors and contactors. The capacitor starts the condenser and the fan, while the contactor controls the electric flow to all parts of the air conditioner. When these components wear out, they can prevent the AC from starting or running efficiently. Additionally, we typically check for any wear and tear on belts and motors, thermostat malfunctions, and potential electrical issues within the system’s wiring, which could lead to both performance issues and safety concerns.

Why Professional AC Maintenance Outweighs DIY

While it’s tempting for some homeowners to take AC maintenance into their own hands, the benefits of professional service far outweigh the perceived savings of DIY. First and foremost, air conditioning systems involve complex electrical components and potentially dangerous chemicals, such as refrigerants. Our technicians possess the required skills, experience, and tools to handle these materials safely and effectively.

Additionally, our professional maintenance service extends beyond simple repairs and adjustments. We conduct a deep evaluation of your system to improve its efficiency and longevity, which can significantly reduce your energy costs over time. Professional maintenance also ensures your warranty remains valid—a significant consideration since many warranties require regular professional servicing. Lastly, employing professionals like us helps prevent common DIY mistakes that can lead to further system damage or inefficiencies, thus avoiding more expensive repairs in the future.


Maintaining the health of your AC system through regular professional checks and services is essential for extending its lifespan, ensuring safety, and maximizing efficiency. At GV’S Heating & Cooling, we prioritize your comfort and the reliability of your cooling system through detailed inspections, timely repairs, and expert advice.

Trust us to keep your air conditioning system running smoothly for years to come. If you suspect any issues with your system or it’s time for your annual AC service in Glenview, IL, don’t hesitate to give us a call today. We are here to ensure your environment remains comfortable no matter the season.