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  1. #1
    Join Date
    Oct 2004
    Location
    Southern Highlands NSW
    Posts
    1,911

    Default Quietest workshop air compressor?

    I've heard noisy ones, and sometimes some that are surprisingly quiet.
    It's not obvious to me what makes the difference.
    Any advice?

  2. #2
    Join Date
    Mar 2011
    Location
    Southern Flinders Ranges
    Posts
    1,583

    Default

    You can silence just about any compressor by baffling the intake.

  3. #3
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    72
    Posts
    6,027

    Default

    Found this on Google, and should help you out with Q&A's

    https://aircompressorworks.com/piston-vs-rotary-screw/

    HTH
    Kryn
    To grow old is mandatory, growing up is optional.

  4. #4
    Join Date
    Sep 2005
    Location
    Bendigo
    Age
    60
    Posts
    447

    Default

    Chicago Air Hush series:
    https://sydneytools.com.au/category/...r%22%5D%7D&p=1

    If you dont need the full volume you can also turn some of the heads off.

  5. #5
    Join Date
    Oct 2004
    Location
    Southern Highlands NSW
    Posts
    1,911

    Default

    Thanks for the info, folks.

  6. #6
    Join Date
    Nov 2021
    Location
    Australia
    Posts
    194

    Default

    I have an old twin piston style, sitting on top of the cylinder, came out of an old petrol station.
    Is a bit noisy, so put it outside and build a shed around it and lined it with polystyrene foam.
    Really helped a lot and neighbours are OK with it.

    My buddy bought a similar style compressor but it had 3 cylinders and one at least is a odd size to the other two.
    Boy, does that run really quiet, would not wake a baby.
    I think it is a Rand make.
    He was told that the odd cylinder was designed for reducing sound.
    Must some how neutralise the noise fequencies!!!

  7. #7
    Join Date
    Aug 2015
    Location
    Melbourne, Australia
    Posts
    847

    Default

    I have not had much experience with compressors but I recently got a Chicago Air Hush 70 and can vouch for it. Maybe my old one was pretty loud but the Hush is approx 10db quieter - and it is the noisiest one in that range. You can turn motors on/off separately if you don't need them both. Also, it holds air way better than my old one. The old one would empty itself in 24 hours or so. I haven't turned this one on for a week and it is still stilling there almost full.

    https://metalworkforums.com/f303/t208659-1957-tos-s28-pilsner-project/page-3#post2004745

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