DIY Home Improvement, Remodeling & Repair Forum > Appliances > HVAC > Buzzing furnace sound

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Old 02-02-2013, 11:34 AM  
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Default Buzzing furnace sound

American Standard Furnace Is always buzzing. Everything is working, just annoying sound. No clue how to stop it. Is it normal? I would love to hear possible solutions

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Old 02-02-2013, 02:00 PM  
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On the chance that it is a loose lamination, find one of these,or.r_gc.r_pw.r_qf.&bvm=bv.41867550,d.dmQ&fp=90fa3f9b99639e9d&biw=1020&bih=764&
in your furnace and press on it.

Relays can also buzz but pressing on them is a bit tricky.

With a helper you can also use an empty garden hose as a stethoscope but the metal panels in furnaces can act as diaphragms and so you might do better pressing on things.

The buzz frequency may give a clue; YouTube has various sounds of various frequencies that you can use to compare.

Last edited by Wuzzat?; 02-02-2013 at 02:05 PM.
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