Your air conditioning unit is a vital part of your home’s comfort system—especially here in the hot and humid Dallas-Fort Worth Metroplex. At Texas Air Authorities, we’ve seen just about every issue that can affect an AC system, and one of the most overlooked threats is voltage fluctuations.
While they may seem like minor electrical hiccups, voltage fluctuations can cause serious and costly damage to your air conditioning unit. Understanding what they are and how they impact your system is key to preventing breakdowns and expensive repairs.
What Are Voltage Fluctuations?
Voltage fluctuations refer to sudden changes in the electrical voltage supplied to your home. These can be caused by several factors, including:
- Power surges from lightning strikes or grid switching
- Overloaded circuits
- Faulty wiring
- Appliances turning on and off
- Unstable power supply from the utility company
While your home is designed to handle a steady voltage (typically around 120V in the U.S.), fluctuations—especially those that spike above or drop significantly below this range—can stress and damage your AC unit.
How Voltage Fluctuations Affect Your AC Unit
- Compressor Damage
The compressor is essentially the heart of your AC system. Voltage fluctuations can cause the compressor motor to overheat, short circuit, or seize entirely. Once the compressor is damaged, repairing or replacing it can be one of the most expensive fixes for any AC unit. - Capacitor Failure
The capacitor helps start and run the motors in your AC unit. It’s very sensitive to electrical inconsistencies. A high voltage surge can fry the capacitor, leaving your AC struggling to start—or not starting at all. - Control Board and Sensor Issues
Your AC’s control board is responsible for managing various internal operations, and it relies on clean, consistent power to function properly. Fluctuations can corrupt the programming, cause faulty readings from sensors, or even fry the board altogether. - Premature Wear and Tear
Even if a voltage fluctuation doesn’t cause immediate, visible damage, it can speed up the wear and tear of electrical components. Over time, your AC may require more frequent repairs, experience reduced efficiency, and have a shorter overall lifespan.
Warning Signs to Watch For
If your AC has experienced voltage fluctuations, you might notice:
- Unit not turning on
- Intermittent operation or random shutdowns
- Burning smell or unusual noises
- Tripped circuit breakers
- Reduced cooling performance
If you spot any of these signs, it’s best to have a professional inspect your system right away.
How to Protect Your AC from Voltage Fluctuations
At Texas Air Authorities, we believe in proactive protection. Here are some steps we recommend:
- Install a Surge Protector
A dedicated surge protector for your HVAC system is one of the best defenses against sudden voltage spikes. It redirects excess voltage away from your system’s sensitive components. - Use a Voltage Stabilizer
Especially in areas with unreliable power, a stabilizer can help ensure a consistent voltage level and reduce the risk of damage to your AC unit. - Routine Maintenance
Our NATE-certified technicians can inspect your system during regular maintenance visits and identify signs of electrical damage early. We’ll also check wiring, capacitors, and connections to ensure everything is operating safely. - Whole-House Surge Protection
Consider installing a whole-house surge protector at your electrical panel. It adds another layer of protection for not only your HVAC but all your appliances and electronics.
Conclusion
At Texas Air Authorities, we’ve been serving the Dallas-Fort Worth area since 1999. We’ve seen the devastating impact voltage fluctuations can have on AC units—and we’re here to help you avoid it. We offer same-day appointments, free estimates, and a 1-year warranty on all new equipment.
If you suspect voltage-related damage or simply want to protect your HVAC investment, give us a call. Our technicians are friendly, professional, and always ready to explain your options clearly. We treat your home like our own and leave it spotless after every job.
Don’t let unpredictable power compromise your comfort. Call Texas Air Authorities today and let us keep your AC unit running safely and efficiently—all season long.
Texas Air Authorities is the premier choice for HVAC services in Arlington. With a team of highly trained and certified technicians, we have the expertise to handle all of your heating, ventilation, and air conditioning needs. Our commitment to customer satisfaction is unmatched, and we always go above and beyond to ensure that your experience with us is positive. We use only the highest quality parts and equipment to ensure that your HVAC system is running at peak performance. Plus, we offer competitive pricing and flexible scheduling to fit your needs. Choose Texas Air Authorities for all of your HVAC needs in Arlington.
