AC Capacitor Failure: The #1 Cause of Summer Breakdowns in Texas

Recognizing the symptoms of a failing capacitor can help you catch the issue before it leads to a complete breakdown. Common signs include:

• Humming Sound: If you hear a faint humming sound from your AC unit but it’s not blowing cold air, the capacitor might be failing.
• AC Won’t Start: A damaged capacitor can prevent your system from turning on altogether.
• AC Blowing Warm Air: If your air conditioner is running but not producing cool air, the capacitor may not be releasing the required energy for the compressor to run.

Given the harsh Texas climate, taking preventive measures to avoid AC capacitor failure is crucial. This is also an important part of learning how to get your AC ready for Texas summer heat before the hottest months arrive.

Here are a few tips to keep your system running smoothly:

• Regular Maintenance: Scheduling annual maintenance is one of the best ways to ensure your system, including the capacitor, is in optimal condition. Southern Comfort Mechanical offers thorough maintenance checks to identify potential issues before they cause problems.
• Replace Old Capacitors: If your AC unit is over 10 years old, it may be time to replace the capacitor. Replacing old components can improve your system’s efficiency and prolong its life.
• Avoid Overworking Your System: Don’t let your AC work harder than it has to. Keep doors and windows closed when the AC is running, and consider installing a programmable thermostat to prevent overuse.

When your AC capacitor fails, it’s not just an inconvenience—it can cause significant damage to other parts of the system. A bad capacitor can lead to:

• Compressor Damage: The compressor, which is the heart of the AC system, can be damaged if the capacitor isn’t providing the necessary power.
• Increased Wear and Tear: A failing capacitor puts more strain on the motor and other components, potentially shortening the lifespan of your system.
• Higher Energy Bills: When the system is not running efficiently due to a capacitor failure, it will have to work harder, leading to higher energy costs.

What To Do If Your Capacitor Fails

If you suspect your AC capacitor is failing, it’s important to call a professional HVAC technician immediately. Here’s what we recommend at Southern Comfort Mechanical:

1. Turn Off the Power: To prevent further damage, turn off your system at the breaker.
2. Call a Professional: A trained HVAC technician will be able to quickly diagnose the issue and replace the capacitor.
3. Consider Upgrading: If your system is older, it might be a good time to consider upgrading your AC unit to a more energy-efficient model.

At Southern Comfort Mechanical, we provide expert AC repair in Lewisville, TX, and the surrounding areas. Our team will ensure that your system is back up and running quickly, with transparent pricing and no surprises.

Southern Comfort Mechanical is proud to offer a full range of HVAC and plumbing services, including:

• AC Installation: If your AC system is outdated or frequently breaking down, we offer expert installation services to replace your old unit with a more efficient, reliable model.
• Plumbing Repairs: In addition to HVAC services, we provide plumbing solutions to keep your home running smoothly year-round.
• Regular Maintenance: Prevent breakdowns before they happen with our comprehensive maintenance plans for both HVAC and plumbing systems.

Visit our HVAC page to learn more about our services in Lewisville, TX.

1. How long does an AC capacitor last?

The typical lifespan of an AC capacitor is around 5 to 7 years, but this can vary depending on usage, maintenance, and environmental conditions.

2. Can I fix a broken capacitor myself?

It’s not recommended to replace a capacitor yourself, as it involves handling electrical components. Always contact a licensed professional to avoid injury or further damage.

3. What is the cost of replacing an AC capacitor?

Costs vary by brand and model of your system, but you can expect to pay between $100 and $400 for a capacitor replacement, including labor.