When the summer reaches its peak in Coachella Valley, CA, your AC system works harder and longer to keep you cool. This intense, ongoing demand can cause some common parts to fail, making it nearly impossible for your AC to cool your home.
The most common AC repair parts that fail during extreme heat include capacitors, contactors, and hard start kits. These particular components manage the startup process of your AC. When they start to malfunction, you will notice warning signs. Your AC takes longer to start up. You may hear humming sounds. You could even deal with a system that refuses to turn on.
The Role of the Capacitor in Your AC System
The capacitor in the AC is a small, cylindrical component that acts much like a battery for your system. It stores an electrical charge inside it. When your AC kicks on, the capacitor gives the compressor and fan motors a high‑voltage boost to start turning. It regulates this boost precisely for your AC. Your system still runs on standard 120V or 240V power, but the capacitor provides the extra starting torque the motors need. Your capacitor is a vital adaptive bridge that helps your unit start properly.
Unfortunately, these capacitors aren’t as resilient as other parts of your unit; they’re highly susceptible to heat. When temperatures soar, this is when they start to fail. Generally, you will hear a clicking or humming sound when your capacitor starts to fail. You may also notice that the part is bulging or even leaking as a result of the intense heat it can experience.
How Heat Impacts AC Contactors
Your AC’s contactor is a switch that controls the flow of electricity to various parts of your system. For instance, when your thermostat calls for cooling, the contactor closes to allow power to reach the compressor and fan motor. Over the course of a single summer, that switch opens and closes thousands of times. This creates a lot of mechanical wear and tear on the device. It can also create electrical pitting on the vital contact points.
As with the capacitor before, extreme heat can harm a contactor. It can cause it to melt or the metal points to weld together. This can lead to your AC being stuck in the “on” position. Without your AC being able to shut off, it could fail. At the bare minimum, your energy bills will skyrocket. Regular inspections can help you avoid this issue.
Understanding Hard Start Kits and Their Importance
Hard start kits are another common component. However, these are kits you install to prevent AC failure. A hard start kit is a specialized capacitor and relay combination that assists the compressor during the startup phase. As an AC unit ages, the compressor typically requires more and more torque to get it moving. With a hard start kit, your compressor gets that extra boost of energy. This reduces the amount of time your compressor needs to spend in a high‑voltage state. Starting more quickly reduces heat and stress, helping extend your system’s lifespan.
Common Symptoms of Electrical Component Failure
If you can recognize the early warning signs of part failure, you can avoid an emergency situation. Different parts give off different warning signs. When you call us in for a look, we inspect everything to pinpoint the exact issue. The important thing is to recognize those warning signs so you know when to call.
- Loud noises and no start-up
- AC trips the circuit breaker
- Noticeable delay between thermostat and starting
- Vents blowing warm air
- Crackling or odd noises
- Burning plastic or metal smell
- Frequent short-cycling
- AC not shutting back off
- Increased energy bills
If you experience any of these issues, it’s best to turn the system off and seek professional assistance. You don’t want to continue operating the unit if it’s having issues. This can turn a relatively small problem into a major breakdown.
Preventive Checks to Avoid Heat-Season Breakdowns
The best way you can ensure your system runs all summer is to schedule maintenance. A professional tune-up can be handled with a visit from General Air Conditioning & Plumbing. We inspect capacitors, contactors, connections, condensate drains, and every other part of the AC. Whether it’s a bent coil or a damaged fan, we can find the issue early before a breakdown happens. This also increases your unit’s operational efficiency. The result is that it won’t have to run as long or hard, and you can even potentially save on your monthly bills.
As a homeowner, you can do your part by keeping your outdoor condenser unit free and clear of debris. We don’t recommend trying to handle capacitor or contactor issues. However, you can ensure that grass, twigs, leaves, and other debris don’t smother your condenser. This unit needs to expel heat, and it needs room to do so. Obstructions can cause your unit to overheat, which can result in a breakdown. Proper airflow is a great way to increase the efficiency and lifespan of your unit. For this reason, it’s also important to change your filters regularly, generally every 2-3 months or so.
Why Professional Service Matters for Electrical Parts
Changing your filters and performing basic yard maintenance to keep your condenser clear is one thing. When it comes to actual maintenance on your AC system, however, leave it to the pros. Our team is made up of certified, trained professionals who have ample experience. We understand how to work safely and effectively on any make or model AC. These units contain large capacitors that hold a potentially lethal charge. They also have many delicate parts and connections. A professional touch is required here.
We use the right diagnostic tools to find the precise issue that affects your unit. We can measure electrical resistance and voltage accurately. This allows us to ensure your AC uses the correct capacitor size. The wrong size or even a low-quality product could lead to more failures. These issues can cascade and harm the compressor. We offer high-quality parts that are perfect matches for your unit.
Trust General Air Conditioning & Plumbing for Reliable AC Repair in the Surrounding Areas
A failed capacitor or contactor doesn’t have to ruin your summer. At General Air Conditioning & Plumbing, our team can help by replacing these parts to boost your AC’s performance. We’re a full-service HVAC company that also offers solutions for heating and indoor air quality. If you need quality furnace repair in the winter, we’re the company to call. We have proudly served our community since 1984.
General Air Conditioning & Plumbing is here to help with HVAC repair in Coachella Valley and surrounding areas. Contact us now to book an appointment.
