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AC making a buzzing noise so lady has pillows over her ears.

Why is my AC Making a Buzzing Noise?

In Calgary, where temperatures range from bitterly cold winters to swelteringly hot summers, a working air conditioner is essential. JPS Furnace & Air Conditioning, the top HVAC company in Calgary, knows how crucial a silent and effective AC is for your comfort. Yet, a common concern among homeowners is the alarming buzzing noise emanating from their air conditioning units. But why does this happen, and how can it be fixed?

Reasons for AC Buzzing Noises

Air conditioners are complex machines, and like any complex machinery, they can start making noises if there’s an issue. A buzzing sound from your AC can be alarming, but it’s a common issue with a variety of potential causes. Identifying the cause is crucial, as it can range from minor issues that are easily fixed to more serious problems that require professional attention.

Most Common Issues in Alberta

1. Frozen AC Unit
A common reason your AC is making a buzzing noise could be because the unit is frozen. Yes, even in the heat, your AC can freeze up, primarily due to running too long without proper maintenance. The compressor struggles without enough air to cool it, leading to that buzzing sound.

What to Do: Giving your unit time to thaw is the first step. If the problem persists, it’s time to call in the professionals from JPS Furnace & Air Conditioning. Our team can diagnose the issue and recommend the best course of action, ensuring your unit operates smoothly. Explore our Air Conditioning Maintenance services for preventative care.

2. Condenser Fan Motor Issues
The condenser fan plays a vital role in your AC’s operation, helping to dissipate heat from the refrigerant. A malfunctioning fan motor can cause a buzzing sound, indicating a need for attention.

What to Do: After ensuring the unit is off, inspect for any obstructions or damage. If the problem isn’t apparent, our skilled technicians are ready to help, offering repair or replacement services. Immediate assistance can be scheduled through Book a Service Call.

3. Loose Parts within the AC Unit
Over time, the vibration from your AC unit can loosen bolts and screws, leading to a buzzing noise. This not only affects performance but can also pose a safety risk.

What to Do: Secure any loose parts you can safely access. For comprehensive checks and repairs, trust the expertise of JPS Furnace & Air Conditioning. We ensure your system is in top condition, preventing future issues. Consider joining the JPS Care Club Membership for regular maintenance.

4. Malfunctioning Contactor Relay Switch
This switch controls the power to your AC’s compressor and fan. Wear and tear over time can impair its function, leading to a buzzing sound when the unit is running.

What to Do: For safety, professional inspection and replacement are recommended. Our team at JPS can handle these electrical components safely and efficiently.

5. Compressor Malfunction
A faulty compressor can cause a loud buzzing noise, signaling a significant issue within your AC unit. This component is crucial for your AC’s operation, and any noise from the compressor should be addressed promptly.

What to Do: Turn off your unit and contact JPS Furnace & Air Conditioning. Our experts can assess whether a repair or a replacement is necessary, ensuring your system’s longevity and efficiency. Explore our Air Conditioning Repair services for expert assistance.

6. Electrical Issues
Electrical problems, such as loose wiring or a faulty circuit board, can also lead to a buzzing noise. These issues not only affect your AC’s performance but can also be a fire hazard.

What to Do: Given the dangers associated with electrical repairs, it’s crucial to have a certified technician from JPS Furnace & Air Conditioning inspect and address these concerns.

7. Damaged Isolation Footing
The isolation footing helps minimize vibrations from your AC unit. Damage to this component can cause excessive vibration and noise.

What to Do: Inspection and replacement of the isolation footing are tasks best left to professionals. Our team can ensure your unit is adequately supported and operating quietly.

8. Refrigerant Leak
A refrigerant leak not only reduces your AC’s efficiency but can also cause a buzzing sound. This issue requires immediate attention to prevent further damage to your system.

What to Do: If you suspect a refrigerant leak, it’s crucial to contact JPS Furnace & Air Conditioning for a thorough inspection and repair. We ensure your system is sealed, charged, and ready to provide reliable cooling.

How to Address AC Buzzing Noises

If your AC starts buzzing, don’t ignore it. Early intervention can prevent minor issues from escalating into costly repairs. JPS Furnace & Air Conditioning offers comprehensive diagnostics and repair services to address any AC concerns. Our commitment to excellence ensures your unit not only runs quietly but also efficiently.

Why Choose JPS Furnace & Air Conditioning for Your AC Needs

A buzzing AC unit can disrupt your home’s comfort and indicate potential problems. With JPS Furnace & Air Conditioning, you have a partner ready to ensure your AC runs smoothly and quietly. Our expertise, backed by thousands of 5-star reviews and an unbeatable warranty, makes us Calgary’s go-to residential HVAC company.

Experiencing a buzzing noise from your AC? Don’t wait for it to worsen. Contact JPS Furnace & Air Conditioning today to schedule an appointment and get your AC unit back to its quiet, efficient self.

Call 403-510-1204