Gas and Oil Home Heating Furnaces - A/C banging noise

Doityourself.com community forum was created to provide answers to all questions related to home improvement and home repair. Doityourself community can help you find information about how-to topics on small fixes to large remodeling projects. With comprehensive how-to content and expertly moderated community forums DoItYourself.com makes it easy to tackle even the most complex home improvement projects.



PDA

View Full Version : A/C banging noise

cane1968
09-28-03, 06:41 PM
My A/C makes a banging noise when I turn it on.
I live in an apartment so I have a unit inside, (gas furnace) and the main unit on the roof.
Why is it making this noise and is it safe to run till my manager sends some one to fix it?

mattison
09-29-03, 06:05 AM
Could be anything. Is it just a bang once when you turn it on or is it continuous? Continuous might be something got into the fan throwing it off balance.
cane1968
09-29-03, 01:48 PM
Originally posted by mattison
Could be anything. Is it just a bang once when you turn it on or is it continuous? Continuous might be something got into the fan throwing it off balance.

The banging noise happens for a few seconds as I turn it on.
It will stop then start up again for a few more seconds, while it it's running, but only for a few seconds.
Is it safe to run? It is so hot here where I live.

hvac4u
09-29-03, 01:52 PM
if the banging occurs when the fan starts, i would think it was coming from the duct itself. generally the duct work (if metal( is "crossbroken", this usually prevents this problem. how many times does it bang? this is when in cooling mode, correct?
cane1968
09-29-03, 08:35 PM
I really don't count how many bangs, I just pay attention to how loud it is and how long it lasts.
I'm also praying it doesnt blow up my apartment, it's a scary noise!