temperature switch for electric fan in air compressor cabinet

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    temperature switch for electric fan in air compressor cabinet

    I have my 60 gallon air compressor outside in a little shed (just big enough for the unit), with vents on the bottom, and vents on the top for air flow. It's not cooling enough when it's in the upper 80s or 90s+ outside, so I want to put some fans in either the lower vents to bring fresh air in, or the upper vents to blow the hot air out, or possibly both.

    I don't want the fans to run all the time, just when it gets hot, like say ambient over 110 or so. Any suggestions for a temperature switch to do this?

    Anyone done something similar?


    - Buck

    #2
    Take the door off.

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      #3
      Originally posted by SLOWPOKE693 View Post
      Take the door off.
      propping it open definitely works. But I'd like to keep it closed.
      - Buck

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        #4
        https://www.amazon.com/Nutone-Ventil.../dp/B000OZWVYO
        one option.
        I know my attic fan uses a commercial hood fan with a switch that cycles on around 100*

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          #5
          As an alternative, you could pretty easily wire a fan to come on when the compressor cycles on....although a temp switch would allow it to also continue cooling after the compressor shuts off I suppose.

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            #6
            Originally posted by I Lean View Post
            As an alternative, you could pretty easily wire a fan to come on when the compressor cycles on....although a temp switch would allow it to also continue cooling after the compressor shuts off I suppose.
            Yeah, that's what I thought too. But yes, I definitely want the fans to keep going after the compressor stops. Hell, even a 20 minute timer after the compressor stops running wouldn't be a bad option. I just suck at electrical shit, and don't know what my options are

            Even thought about making a box around the compressor cylinder, and filling it with water and running it through a small radiator, basically turning the air cooled cylinder into a water cooled
            - Buck

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              #7
              You can get digital switched thermostats that plug in the wall at home depot. Programn on and off temps

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                #8
                This https://www.homedepot.com/p/iLIVING-...F10V/207174615

                With this https://www.homedepot.com/p/Master-F...-PT6/100098472

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                  #9
                  One of these should work good. I use them to control our egg incubators. They have been 100% reliable so far.

                  https://www.amazon.com/gp/aw/d/B0152...?ie=UTF8&psc=1

                  ETA; Im planning to use one in our unheated shop bathroom to turn on a heat lamp when ambient tump gets below 35*F, to prevent the plumbing from freezing. I think it will work out good.
                  Last edited by martyfowler; 06-16-2020, 07:24 AM.

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                    #10
                    perfect timing
                    i gotta put my compressor into some enclosure so my summer neighbors doesn't complain

                    im going to build the box out of 2" rigid and i was thinking about the fan idea and how to make that shit work

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                      #11
                      Originally posted by Fredycruger View Post
                      perfect timing
                      i gotta put my compressor into some enclosure so my summer neighbors doesn't complain

                      im going to build the box out of 2" rigid and i was thinking about the fan idea and how to make that shit work
                      I would suggest doing away with the air filter that comes with the compressor, make a block-off plate with fittings for a muffler or two. I used these: https://www.mcmaster.com/1213T15

                      Made quite a difference in the noise. And if you want to, you can run a hose and put the muffler/filter elsewhere, so you're drawing fresh air instead of the hot air inside the cabinet.
                      - Buck

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                        #12
                        Have this -30° - 100° f.

                        See thread I just posted.


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                          #13
                          Got an old Mercury t stat around or even a junk space heater?
                          The shithead formerly known as cn'tafordit & Brocko2

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                            #14
                            Attic roof vent thermostat?

                            Example: https://www.homedepot.com/p/Master-F...-PT6/100098472
                            HD/Lowes/Ace/Menards/DoItBest/whoever probably has the same thing for around the same price in stock too.
                            Last edited by ScottRS; 06-19-2020, 09:12 AM.

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                              #15
                              that seems like it would do the trick. I guess setting it somewhere around 110 would probably be good?
                              - Buck

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