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Cheap Air Compressor Sound Insulation

Urambo Tauro

Well-known member
Joined
Dec 2, 2018
Messages
45
Location
SE Michigan
Just wanted to share a quick dirt-cheap solution I came up with to help reduce air compressor noise.

Got a little old Campbell Hausfeld FL-3001 that I've tucked away up in the corner of my garage, right on top of a big shelving unit. It has wheels, but I have no intention of taking it mobile, so I slipped some leftover rubber bedliner material underneath to serve as bushings to help against vibration. I also drilled through the top of the shelving unit so that I could wrap a zip-tie around the foot. It probably wasn't going to roll around anyway, but this ensures that it won't.

I once worked at a place that had built a booth/room around their shop compressor, and always liked that idea. But I wasn't quite prepared to do anything that fancy, so instead I grabbed some spare cardboard and cut it to fit around the compressor, boxing it in. And instead of proper insulation: bath towels (I told you this was cheap haha). I stapled some old towels to the inside of the cardboard panels and mounted them in place, leaving holes for the wiring and hose.

It works pretty great! Of course I can still hear it, but I can actually hear myself think now when it kicks on, and I don't have to wait for it to turn itself off before continuing a conversation. I can barely hear it when I'm out in the driveway and the garage doors are closed, and from the house I can't hear it at all.

I'm looking forward to upgrading to a larger compressor at some point, but at least this one's a little more tolerable to live with for the time being. I had the scrap materials on hand, so it didn't cost anything but time. And of course I can still take the panels off every once in a while for draining and such. Totally worth the effort.
 

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brownbagg

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Mar 20, 2006
Messages
5,208
google sound air compressor, there a gut that took an air cleaner from a junk yard and it killed 80% of the noise

i think its on youtube
 
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U

Urambo Tauro

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Joined
Dec 2, 2018
Messages
45
Location
SE Michigan
That is going to cause the compressor to overheat in the summer.
Maybe a small roof vent is in order, then. The roof has air flow coming from the soffit, but I can imagine this trapping hot air around the motor. Adding a small vent would allow continuous air flow through there without being open to the interior of the garage.
 
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Dan in Pasadena

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Feb 18, 2009
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13,142
Location
Pasadena, CA
Definitely better, but not hugely better. At least to my ears. Still could use some kind of enclosure with a cooling fan to truly make it dramatically quieter.
 

rayra

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Joined
Dec 1, 2014
Messages
4,724
Location
Escaped from Los Angeles
egg-crate-style foam does a real good job. I built a cabinet for my compressor and used pegboard to facilitate some air flow. while still blocking most of the noise.
I made the front door 5.5" thick and full of shelves on the inside, full of all the air tools and accessories, and that makes a pretty effective noise blocker too.
Some 1" egg-crate foam will probably get added to the inside of the door.

compressorcabinet12.jpg
 
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Urambo Tauro

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Joined
Dec 2, 2018
Messages
45
Location
SE Michigan
That's a nice cabinet, perfect fit! Good use of space. If you have room for foam, that should help cut down on any echo chamber effect.
 
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