
My Furnace Started Rattling: What Does That Mean?
If our furnaces could speak, we would have a much easier time knowing when to repair them and what sort of repairs to schedule. “Hey, psssst! My fan belt is cracked! Get it replaced.”
“You, over here! Did you know my pilot light is failing because of low gas flow? Get somebody on that!”
Sadly, our furnaces can’t speak to us… at least not in words. However, they can speak to us through noises.
When you hear an unusual sound coming from your furnace cabinet or ducts, it usually means there is a repair issue that needs attention. Read on to learn about a common furnace warning noise: rattling.

Possible Reason for Rattling
- Loose parts: The rattling could be caused by loose parts inside the furnace. This could be anything from a loose blower wheel to a loose motor mount. In this case, the rattling would likely be accompanied by a general clanging or banging noise.
- Clogged burners: If the rattling is coming from the burner compartment, it could be due to clogged burners. This can cause the burners to vibrate and make a rattling noise.
- Dirty air filter: A dirty air filter can cause the furnace to work harder than it needs to, which can lead to vibrations and rattling. If you haven’t changed your air filter recently, try replacing it and see if that helps.
- Ductwork issues: Sometimes, the rattling noise you hear is actually coming from the ductwork, not the furnace itself. This could be caused by loose ducts or ducts that are rubbing against each other.
- Mechanical issues: Finally, it’s possible that the rattling is a sign of more serious mechanical issues, such as a damaged blower motor or a faulty fan belt. If you suspect this may be the case, it’s best to call the professionals at Goettl to inspect and repair the furnace.
Do Not Try This at Home!
For your safety and the well-being of your furnace, we advise you to leave all furnace repairs that require opening your furnace’s cabinet to licensed professionals. This is especially true for natural gas-powered furnaces, which present the risk of exposure to toxic and combustible gas. Electric furnaces require caution as well because of the hazard of high-voltage shocks.
Goettl Air Conditioning and Plumbing has worked on furnaces since 1939—we’ve seen every type of furnace, and every type of repair. Trust us to handle your furnace repair the right way, not the easy way.

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Testimonials
What Our Customers Say About Us
After note. Cameron came back by a day later to check on readings he wasn't able to get on first appointment. I have high confidence in his work. I'm very likely to work with them again
Brayan and Marcos did an awesome job on the new ac installation. Installed with no issues and has been on ever since. Perfect time with summer coming up. Walked through and job was very clean and organized. Great work ethic. Great guys.
Good Customer Service is terribly undervalued. GREAT customer service is almost unheard of nowadays. That above all, when paired with truly quality work will always ensure not only a return customer, but also brand loyalty.
Update - our air conditioner went out today (10/26/23) and JEHAD showed up to repair the issue but the issue was bigger than expected. Tomorrow we will have a brand new system! Goettl is an EPIC firm that treats customers right. Thank you again JEHAD for going above and beyond.
Goettl is the epitome of what excellent customer service is! Our Drain King, DAREAN, addressed all of our questions and concerns and not only unclogged our drain but went above and beyond to show us our drains leading to the street were free and clear of any other issues. Thank you Darean and thank you Goettl for a great experience!
Update: great experience with Edgar Loredo who kept it real with us and was very transparent. I appreciate his honesty and recommendations. Will be requesting him as our technician in the future if we choose to use Goettl
2/15/23
Thank you, Jorge G. Again for being so honest about our unit issues.
Kathy
H. Navarro
Frank Soto, plumber was very thorough in his assessment of the problem. Provided options and was patient in waiting for our decision. We are very pleased with Frank's knowledge plus his warm personality was a plus. Thank you Frank.
H. Navarro
Jeremy Ortega service tech did an excellent job removing, cleaning and reinstalling the flame sensors along with servicing the HVAC blowers. We are set for the next 2 years. Thanks again Jeremy.
H. Navarro
Thank you!
09/19/2024 - Husam Ismail did an outstanding job!!! Very personable and honest, so far with my experience with
Goettl he is the best technician that i have encountered.
02/11/2024 - Josh L. did a fabulous job!!! He was very personable and fast. Great experience, I would recommend Goettl to anyone.
Today is 21 July Sam stopped by and service was excellent 👌. Ralph was excellent, great customer service
Thank you goettl
Explain testing and clarified cost.
I was impressed.
Brayan, Jason, and Christian were the three techs who installed the unit and new ducts. They showed excellent work ethic. They cleaned up all debris, and most importantly, the system works perfectly. Today Ignacio came and inspected the work, and found no problems at all. The entire team has earned 5 stars.
November 6, 2024. The team Brayan, Christian and Jason worked awesome in replacing our whole A/C system and air ducts. They were respectful of our property, answered our questions without hesitation. They all did a fantastic job. We thank ya'll for your services and definitely recommend your business. We appreciate you.
November 7, 2024: Ignacio inspected the newly installed air condition and duct system. He was very knowledgeable, and good expertise. He listened and answered our questions and concerns..he helped us to install our Sensi a/c and heater app..
Fe Alexander
Leticia and Ed Baca
We had an blockage in our sewer line.
Tyler Leija was dispatched the same day, and found the blockage using a camera tool.
He cleared the blockage temporarily.
The actual fix would require digging up and replacing the bad area of pipe.
Paulo "Adrian" Dado and his crew came out the next day with backhoe, dug up the area, and replaced the section of pipe.
The next day, after inspection, Adrian and his crew filled in the hole and then cleaned up the area.
This is a brief description. There was A LOT of work involved.
Very professional work.
Our tech Jorge that came out the day before helped quickly assess the situation and get us set up for a new system and water heater. Jorge was very friendly, would highly recommend!
Frank did an excellent job at explaining every thing in terms that were understandable to both myself and my wife. This greatly assisted in making the right decision to look at all options on either repair or update/purchase for the future and in the long term, saving money.
Will definitely call and use
Goettle again and I will ask if Darrean could help again.
Couldn’t be happier. Came all the options