Mini split A/C Lines

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Old 09-24-19, 01:38 PM
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Mini split A/C Lines

Hello all,

I am installing a mini split A/C in my garage, which I am turning into a living space. So the question is: Do I install it before insulation/dry wall (A/C lines inside the wall) or after insulation/dry wall (A/C lines in the exterior)? I see the value of putting the lines inside the wall but as I would need to extend the line both vertical and horizontal to reach the compressor, I would have to put the vertical section outside anyways. Also, if you do it before insulation/dry wall, how do you get around the interior A/C unit preventing a proper dry wall installation?

Thanks!
 
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Old 09-24-19, 07:00 PM
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Typically the lines go straight out thru the sheathing.
Then you could use a cover over them like in the link.

You could run the lines in the wall but it requires careful calculations and bending to get the refrigerant lines preset where they need to be without kinking them. You couldn't hang the inside unit before sheetrocking. A tough DIY job.

Lineset covering kit
 
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Old 09-24-19, 09:24 PM
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Thank you Pete! I completely agree. I will be doing it after...
 
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