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1answer
60 views

Vacuum Breaker Valve on Hose Bib Humming / Noise

I have one of these vacuum breakers on my outdoor hose faucet. Every time I turn it on, it creates a loud noise in the form of a hum or drone I can hear throughout the house. While I have been able ...
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1answer
23 views

Noise reduction hood @ exhaust vent

I live on a busy street in San Francisco and recently installed an exterior exhaust vent line for my range hood (it used to be a worthless recirculating type). Doing so has increased the street noise ...
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0answers
384 views

How can I reduce noise from an air handler unit in an open closet?

How can I reduce the noise from an air handler unit? I have a Goodman AR42-1 air handler unit in an open closet. The setup looks like this: When the air handler activates it sounds like this: ...
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33 views

Decreasing low frequency noise from air conditioner

We just recently bought a house with a pair of air conditioners on the roof. They make a dreadfully loud low frequency noise when they're on. Being a geek, I naturally had to take measurements. One ...
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51 views

Fog horn noise while using hose water

I have a dog grooming trailer that I sometimes work in from my house. To do this, I run my hose to the rv water heater, which then gets warm and runs to the nozzle that I use to spray the dogs down. ...