The sound wasn't the HVAC after all

My wife and I noticed some strange sounds in the bedroom and they appeared to be coming from the ductwork above the bed.

I tried to go into the attic to find the source of the sound.

When the HVAC unit was running, it was hard to determine where the sound was coming from. Since I was pretty sure that the sound was coming from the ductwork, I decided to contact the local repair service. They came to help us on Saturday, when my wife and I were both home at the time. The repairman performed a complete service tune up on the heating and air conditioning system and he also looked for the location of the strange sound. The repairman was in the attic for a while. He had the air conditioning system turned off while he was in the attic. Maybe that was the reason why I could not locate the sound, because I did not turn off the HVAC system while I was in the attic. I thought the noise was coming from the system, so I left it on. The repairman told my wife and I that the sound was not coming from the system and appeared to be a piece of metal connected to one of the ductwork connections. The repairman secured the piece of metal with a screw and encouraged us to keep listening for the sound. He believed it was not going to come back, but told us to listen carefully. The repairman found the source of the noise and he performed a tune up while he was at the house.


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