Original message
| jwrt
 |  "Recent Noise --- filter?"
, posted Sat 12 Jan 16:03  
My HVAC was working fine until recently. When the system turns on (for heat), after a minute or two I hear a buzzing noise coming from the intake vent and the noise continues until the system shuts off. I've replaced the filter with a new one...and still hear the noise. However, when I take the filter out, I hear no noise. The system is only a few years old. The filter does not seem to be an exact fit...but we've been using this size filter for many years...and the HVAC tech did not suggest a different size when he installed the new HVAC system a few year ago.
Thoughts?
JWRT
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Replies:
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| marchvac
| "Re(1):Recent Noise --- filter?" , posted Sat 12 Jan 17:49
What type of filter were you using and what type are you using now. The new filter may be to restrictive.
Be careful sometimes you don't get a second chance
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| | jwrt
| "Re(2):Recent Noise --- filter?" , posted Sat 12 Jan 18:50
I'm not sure of the brand but it has worked OK in the past....
JWRT
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