So its been almost a year now that we've been hearing a constant low humming sound. At first I thought it was coming from in our house. I've checked all electrical and water and gas and all seems fine. If/when the power goes out in the neighbourhood I can still hear it, so dont think it's anything in a neighbours house (Exhaust Fan or Aquarium pump?) ... It actually sounds like it's coming from outside (like a diesel truck idling in the distance) but when we open a window or go outside we cant hear it (gets lost in all the other ambient noise).
We're in the Derry/Scott Area and I THINK its coming from the Hospital after all the renovations. New ventilation system or something. I've asked my neighbours about it and they dont notice it. I thought maybe it's my ears or something (Tinitus) but my wife can hear it from time to time as well.
Anyone else hear it?