Building a new barn and added a functional cupola to assist with ventilation. The builder said electrician should wire/supply fine. Electrician says builder should supply fan and he will wire. So looking around for a fan – where to go to find one that would work in a barn environment (dust)? All google responds with is the cupola itself which I have.
Thanks for any recommendations!
No experience, but this page: https://weathervaneandcupola.com/customerphotogallery-barns.html
Says:
Inside each cupola is a ‘BREEZA FAN’ model VG36DM 36" with a direct drive - 1/2hp - 1ph - 825rpm - single phase - TRI-blade.
Which is this:
https://www.agrisales-inc.com/36-whirl-wind-direct-drive-box-fan
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I thought Cupolas were meant to vent hot air without fans.
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The fan for my cupola was supplied & installed by the builder. All we had to do was wire it.
They did have to come back because once it was wired there was a knocking noise when the fan was running. The cupola had to be removed by them to get to the fan & fix the problem. Something doesn’t sound right, I’d check the contract with the builder.
Perfect – the fan is too large but now I know what to search for and found something that would work @ Grainger… Really just needed to make no mention of cupola 
.
Thank you!!!
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Morton seems to install the fans… I went with FBI who apparently will not install.
Really, any livestock box exhaust fan should work? I’d look for a fully enclosed motor.
Have fun with your new barn! 
That’s so strange. I looked at my paperwork & it says it’s a 4220 cfm fan but I don’t know the brand. We have 10 speeds.
