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Why Is My AC Making a Rattling Noise?

Why Is My AC Making a Rattling Noise?

Why Is My AC Making a Rattling Noise?

Finding out why your air conditioner is making a rattling noise can be a very frustrating experience. The noise that you are hearing could be a sign that your AC unit is in need of repair—one that could cost you a lot of money if left unchecked. It is important to find out why your AC is making a rattling noise and address the issue quickly.

In order to help you diagnose the problem, let’s review some of the reasons why this noise may be happening and what you can do to resolve it.

Possible Causes of Rattling Air Conditioner Sounds

There are several possible causes of a rattling noise in your air conditioner. The most common reasons include:

  • A loose part. Over time, the components of the air conditioner can become loose, resulting in rattling noises when the system is running.

  • A damaged fan blade. A fan blade that’s been damaged by debris or a foreign object can cause a rattling sound when in operation.

  • A damaged condenser fan motor. A condenser fan motor is responsible for moving air across the condenser coils. If the motor is damaged or worn, it can cause a rattling noise.

  • A worn or damaged compressor. The compressor is one of the most important parts of an air conditioner and if it’s worn or damaged, it can lead to rattling noises.

As you can see, there are a few possibilities that may be causing the rattling noise in your AC. If you can’t find the source of the noise, it’s best to call in an expert.

When To Contact an HVAC Professional

In most cases, it’s a good idea to contact an HVAC professional if you are unable to identify the source of the rattling noise. It’s also important to contact a professional when the noise is persistent, as this could be a sign of a more serious problem.

An HVAC professional can diagnose the issue and recommend the proper repair. If the problem is something simple, such as a loose part, they can provide you with the necessary parts and instructions to fix the problem yourself. However, if the problem is more serious, they may need to perform an air conditioner repair, which can involve replacing parts or the entire unit.

How To Find a Reliable HVAC Professional

Finding a reliable HVAC professional can be a daunting task. It’s important to find someone with experience and who understands the inner workings of your air conditioning system. A good way to find a reliable HVAC professional is to search online for reviews from previous customers or to ask friends or family for recommendations.

Once you have narrowed down your list of HVAC professionals, it’s important to ask them several questions before hiring them. You should ask about their experience with air conditioners, their pricing structure, and any guarantees they offer.


If your air conditioner is making a rattling noise, there’s a good chance that it needs to be serviced or repaired. It may be due to a minor issue such as a loose part or a more serious problem, such as a worn or damaged compressor. In either case, it’s important to contact an experienced HVAC professional to diagnose the issue and recommend the proper repair. Taking the time to find a reliable HVAC professional can save you time, money, and hassle down the road.
If you are looking for a reliable HVAC service provider, consider calling Local Reliable Appliance Repair at (866) 311-8590 for fast, dependable service. Our team of experienced and qualified HVAC professionals will be able to diagnose and fix any issues you may be having with your air conditioner. Give us a call today and get back to enjoying cool and comfortable conditions around your home.

Why Is My AC Making a Rattling Noise?
Why Is My AC Making a Rattling Noise?
Why Is My AC Making a Rattling Noise?

AC Making Rattling Noise – Best Practices for Preventive Action

Air conditioners making rattling noises when in use can be indicative of a number of issues, from small mechanical problems to larger, more costly repairs. Therefore, it is important to take proactive steps to reduce the chance of an issue with your air conditioner arising. Here is a comprehensive guide to preventive action to take, both from the air conditioner manufacturer and from local air conditioning and heating companies and HVAC technicians.

Manufacturer Recommendations

The manufacturer is the best resource for how to properly maintain and care for their products. They have a vested interest in ensuring that the product is kept in its best condition and a good customer experience is had. As such, they typically have a number of recommendations to ensure that air conditioners are not subject to unnecessary failures or damage. Most often, they will suggest regular maintenance and servicing to clean and check the system. Additionally, they may make specific recommendations to keep the unit clean and dust-free, and may have an approved cleaning process. Additionally, they may suggest sticking to their specified temperature settings and ensuring the vents are not blocked or restricted.

Local Appliance Companies

In some cases, the manufacturer may not provide specific enough recommendations on how to keep your air conditioner in peak condition. In these cases, seeking out the advice of a local air conditioning and heating technician or company may be beneficial. These services can provide detailed knowledge about local environmental factors that may be causing problems for your unit and how to mitigate them. Additionally, they can provide a general check-up of the unit and make sure that any obvious issues are addressed before more complex and expensive repairs become necessary.

HVAC Technician Recommendations

Lastly, if the local appliance companies don’t offer enough advice on preventing air conditioners from making rattling noises, then seeking out HVAC technicians might be necessary. HVAC technicians are experts on mechanical and electrical components of air conditioners. They can diagnose issues and identify what repair works may be necessary. Additionally, they can inspect and test individual parts of your air conditioner’s suspension and alignment to make sure that the unit functions properly, potentially saving you thousands of dollars in repairs.

Each of these sources of advice can be incredibly useful in preventing issues with your air conditioner unit from arising. By following their advice, as well as observing best practices yourself, you can rest assured that your air conditioner will remain in the best condition and prevent any rattling or other noises stemming from mechanical issues. If you have any further questions on how to prevent your air conditioner from making rattling noises, contact your local appliance company or HVAC technician today.


Taking proactive steps to ensure that your air conditioner is kept in its best condition is important to prevent unnecessary repairs. Manufacturer recommendations, local appliance companies’ advice, and HVAC technicians’ suggestions are all valuable sources of knowledge that should be taken into account when attempting to prevent air conditioners from making rattling noises. By following their advice, as well as maintaining and cleaning your unit regularly, you can expect your air conditioner to remain in its best condition and provide you with optimal cooling for years to come.

Average Repair Cost for AC Making Rattling Noise

Professionals recommend getting in touch with Local Reliable Air Conditioning & Heating (866) 311-8590 for repair work on your AC. Depending on the city, the average costs for repairing an AC making rattling noise can be over 20%, especially in California.

Common causes of rattling noise in an AC system include: worn fan blades, faulty air filter, and loose screws. Depending on the type of unit, some parts needed may include: a new fan blade, air filter, screws, and bolts. Repairs may also require additional materials such as tools and lubricant.

For the minimum repair cost, the customer should expect to pay for the labor and materials needed. The cost in California can vary on the type of unit and materials needed. Complex repairs may require additional parts and services, leading to an increased cost. Items such as new sensors, fans, water hoses and other components could also add to the cost of the repair.

In conclusion, a broken AC making rattling noise can be expensive to repair or install. Without knowing the type of unit and parts needed, the cost may vary. It is best to contact a trusted professional before making a purchase decision. Local Reliable Air Conditioning & Heating (866) 311-8590 can provide reliable advice and help you with the repairs.

Troubleshooting the AC Making Rattling Noise in Your Home

Homeowners dread one common issue that happens in the middle of summer: the sound of an air conditioner making a rattling noise. If you find yourself in this situation, there’s no need to panic. You can handle the issue quickly and easily with help from Reliable Air Conditioning & Heating.

Reliable Air Conditioning & Heating is a California-based, family-owned company that offers same-day service for appliance and HVAC repair and installations. All of Reliable’s technicians have a minimum of five years of field experience and are highly trained. They are skilled in dealing with AC making rattling noise, and offer fair and affordable pricing.

Reliable is fully licensed and insured. All services come with a 90-day warranty for peace of mind. Contact Reliable for fast and reliable service when you hear rattling coming from your air conditioner. With same-day service and reliable, experienced technicians, you can rest easy knowing your air conditioner will soon be back in good, working order. Stop the AC making rattling noise and get your home back to a summertime paradise.

FAQ: Why Is My AC Making a Rattling Noise?

What causes an AC to make rattling noises?

Rattling noises in an AC unit are usually caused by loose, cracked, or vibrating parts. Common sources of rattling noise are air filters, fan blades, condenser grill, copper lines, outdoor housing, or air handler.

Can a rattling noise mean something more serious?

Yes, a rattling noise in an AC can mean the fan motor or compressor is damaged or broken. In either case, the repair will require professional help.

How do I fix rattling noises in my AC?

First, make sure the noise is coming from the AC and not something else nearby. If you can visually inspect, check for damaged or broken parts, or any foreign objects stuck in the grilles, filters, or fans. Clean and securely mount or replace any loose or broken parts.

Are there any preventive measures I can take to avoid rattling noises in my AC?

Regular maintenance is the best way to avoid rattling noises in an AC. Make sure to have your AC cleaned, inspected and serviced by a professional every one to two years. Change the air filters regularly and check for any damage periodically.

If you’re having any difficulty diagnosing or fixing AC making rattling noise, call Local Reliable Appliance Repair at (866) 311-8590 for professional help.

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