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7 Furnace Noises You Should Never Ignore

Furnace Repair in West Chester, PAAside from a very low-key hum, your furnace remains fairly quiet for the most part. So when a strange noise pops up, you know that something must be wrong. But how big of a deal are furnace noises? Do they warrant a repair call or even an emergency furnace repair? Find out answers to this and more by way of the team at Signature HVAC!

Looking for furnace repair that never lets you down? You can reach us any time online, or give us a call at 610-738-8310!

7 Noises That Indicate Furnace Problems

No unusual furnace noise is ever really a good thing, and in fact, nearly any sound is, in fact, a very good reason to call in for repair. But of all of the sounds you can encounter, these seven are the biggest and baddest:

  • Squealing. Irregular squeals are very often components that should be routinely lubricated that haven’t been maintained recently enough. This can be a big problem because many of them are prone to incurring damage without lubrication, leading to some pretty big furnace damage.
  • Screeches. Nine times out of ten this is going to be a worn out or cracked belt in your furnace. Of all of the sound on this list, screeches are both the most annoying and the least threatening. But once that belt breaks, you won’t be getting any heat until it’s replaced.
  • Bangs. Banging means loose or broken parts. This might be the biggest threat on the list, as that loose part can literally bang around and break other components, leading to massive repair costs if not a complete replacement.
  • Persistent rattling. A failing furnace blower motor is the most likely cause here. This is your best warning sign before the assembly goes out entirely, which can lead to cold nights in the near future.
  • Fluttering. Fluttering isn’t exactly the perfect descriptive here, but it’s kind of a hard sound to replicate in type. Thwap? Whap? In any case, this is often debris caught in your fan. Try sticking a bit of cardboard into a fan and you’ll get the idea. (Don’t actually do that. Just envision it.)
  • Long-lasting clicks. Does your furnace perform a rapid series of tinking clicks when it cuts on and off? If so, that’s normal. But it’s not normal for that sound to last longer than a minute. And if it does, you probably have an electrical issue on your hands.
  • A notable boom. Any boom is notable, and if you’ve been around a really old gas furnace system, you’ve probably heard this once or twice. But what that sound is is often a delay in ignition for gas furnaces, which can actually be kind of (very) dangerous. Call in for repair!

Essentially any furnace noise at all usually means a problem of some sort, and almost all of them mean serious business. If you hear a worrisome sound, go ahead and give our team a call for professional furnace repair!

Furnace Repair Services in Media & West Chester

When your furnace is acting up, you can always count on the experts at Signature HVAC to have you covered!

Contact our team to learn more about furnace sounds, or to set a date for your furnace repair in the West Chester area! From installation to replacement, we have all your furnace needs covered.

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Real Reviews
Verified Review Buzz Reviews

"I highly recommend Signature for HVAC service. The entires experience with Signature has been exceptional. The process was very customer focused starting from Scott McHale's engagement to organize the project to replace our old A/C, to an professional job John & Matt had done in installation, and Bob Seeger'r post installation service to troubleshoot the air flow damper, great job."

-Hosum Li

"Very confidant! Our technician Bob Seegar was great."

-Debbie Kaba

"Joe has been servicing our geothermal from Signature since the initial instalation. He is by far the best. When they call to schedule our bi yearly maintenance they know to send Joe. Not only is great at his job he has become a friend. Thanks Joe!!!"

-jim paolella

"I would highly recommend Signature for all HVAC needs."

-jim paolella

"Bob Seeger was our technician this time around. His level of professionalism was exceptional - it really stood out! Overall we are very happy that we switched to Signature several years ago!"

-Mark Kenney

"The Signature techs who come out to our house are always top-notch professionals. Very courteous, careful, and thorough. They always provide great explanations of the work that they are doing. I never feel like I am being pressured into unnecessary work or equipment replacement (like I used to feel with Service Experts). Today, Wade was the tech who came out. He was here exactly on time at 8am, and was done within an hour. Great work and another great service experience from Signature! Update 9/27/2016 - Today Bob Seeger came out to service our system in preparation for the winter. I was extremely impressed by his professionalism and courtesy. Before he started, we sat down and he clearly explained what he would be doing as part of the maintenance, and we agreed upon the need to replace the filter on the main unit, and also to perform humidifier maintenance as part of the work. After the work was complete he made recommendations for overall system enhancements that we should consider. Signature really has top-notch people working for them, and I continue to be extremely happy that we switched over to them several years ago."

-Mark Kenney

"Bob Seeger was our person to service our furnace and water heater. He showed me a problem with our water heater that could have been a major problem. He was very honest, great and so efficient! He fixed the problem. I am kind of hoping he will be the one to work with in the spring."

-Debbie Kaba

"Always feel confident with the work performed by Danny from Signature."

-William Stolting

"Bob was quite knowledgeable of the type of geothermal system that I have in my house. Before completing the annual maintenance/tune-up that I had requested, he asked relevant questions about my geothermal system (e.g., date of installation, last service, temperature preference, electric usage, etc.). After inspecting and servicing my system, Bob explain service that my system needed now and recommendations that would benefit my system. He explained the options in a non-pressured approach, as well as, the benefit in joining Signature HVAC's service plan which was helpful. Throughout the service visit, Bob was courteous, friendly and respectful. My wife and I were very satisfied and we plan to continue to use Signature HVAC in the future."

-John Schmitt

"Bob did an excellent job. He showed up on time, was courteous, and respectful. I recommend using Bob S from Signature Heating and Air-conditioning."

-Dennis Carlson

"Great service as always. Always prompt and knowledgeable."

-Adam Lusk

"Bob was very professional and informative on the heating & air condition job at my house. He is a very nice and caring person! Thank you!"

-Colleen Esgro

"Your whole team is outstanding."

-John price

"Daniel Cross (Signature) completed a thorough and quick fall service on my heating systems. What I liked best about Danny is that he spoke to me as a knowledgeable customer rather than treating me like a clueless homeowner. So refreshing to be treated with respect by an HVAC provider! He had an opportunity to "upsell" me on a service, but was honest and told me that it wasn't valuable in my situation. I would certainly trust him to service my equipment again, and would definitely recommend him to a friend."

-Susan Wentz

"Thanks again for walking me through the process and pointing out what was going on in my system. Mold be gone! Professional and friendly service. Thanks for your help."

-Mia Bosna

"Travis is another courteous, fine professional working for you!"

-John price

"We have a by-annual cleaning/tune-up contract with Signature for care and maintenance of our heater/air conditioning units. We have found this company to be excellent in their service and their very knowledgeable , friendly technicians. We highly recommend ."

-Ric DeAngelis

"We are very pleased with Signature and their very knowledgeable Technicians. We will be continuing our By-Annual service/tune-up with them...."

-Ric DeAngelis

"I have used Signature for about 10 years now. They provide excellent service. Bob Seeger was my most recent technician and he was on time, polite, informative, and technically proficient. I highly recommend signature for your HVAC needs. I have geothermal, and they are excellent at this technology."

-Charlie Phillips

"Mike B came out for the biannual check of the upstairs system--we had replaced the downstairs system in June---we are very satisfied. Mike was thorough, very professional, answered all my (sometimes inane) questions and kept the house clean. Good job Mike and thanks."

-sylvan hurewitz
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