I also hear a hum at times. Seems to happen mostly in the cold when the
house is sealed up. Dosent sound like 60HZ though. It sometimes also may
have like a throbbing or rolling type of effect. I have another problem,
I'm the only one that can hear it. My wife and 2 kids dont hear it. I
can hear it lying in bed or sittng downstairs in the Familyroom. AT one
point it sound mostly like from the left ear only.It kept we awake at
I saw a hearing specialists and had all kinds of tests done. He even did
a pressure tests. I thought he was gonna blow my head up. He thought
cause of my age he was gonna find hearing loss but did not.Shit I could
have told him that since I'm hearing shit no one else does. He then
told me it could be from drinking too much coffee, yeah no shit , he
really said that. He then said it may be Tinitus. Well anyway then it
went away for almost a year. Now it comes back. One week I may hear it
and one week I may not.
Why don't you turn every breaker in your house off and see if you can
still hear it. If you can, it's doubtful it's coming from in the
house! If you can't hear it anymore, turn on a breaker at a time to
isolate it to a particular circuit. Could be a transformer, TV, lots
I'll support the two main things that have been suggested here:
1. When the noise is going on, flip the main circuit breaker. If it's
electrical, that will kill it and you'll know to hunt it down.
2. In my case, it was a pipe hum ("foghorn") caused by a "bad" toilet
fill valve and exacerbated by a leaking flapper (so, the toilet leaked
and the fill valve got a lot more use). The noise was uncanny (loud
foghorn!!) and NOT repeat NOT centered at the toilet. But, shutting
down the toilet's water supply cutoff reproducibly stopped the noise.
I replaced the ballcock fill valve and the noise was exorcised.
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