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NyCaLa
LSU Fan
Baton Rouge
Member since Apr 2014
712 posts

Install my own mini-split
I'm thinking of going this route.

They come with pre-charged lines, so I don't think I'll need to pressure test.

I will use an electrician to run power from our panel.

Are there pitfalls?
Am I being delusional?


mctiger1985
LSU Fan
Baton Rouge
Member since Oct 2009
3374 posts

re: Install my own mini-split
I assume you are talking about the MrCool DIY version? If not, I think you lose the warranty on other brands/models if not installed by a professional.


jmon
LSU Fan
Mandeville, LA
Member since Oct 2010
3544 posts

re: Install my own mini-split
Following...


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LSUtigerME
LSU Fan
Walker, LA
Member since Oct 2012
2496 posts

re: Install my own mini-split
Have you priced one with an installer? Are you looking at a cheaper option or a well known brand like Mitsubishi?

One of the pitfalls of a DIY is the excess cool length in the lineset. If you’re installing where you don’t need the full run, you’ll have to just coil that excess up somewhere and hang it (either near air unit or outside by condenser). It’s unsightly and immediately screams DIY if you see it.

Another potential problem is condensate leaks. Depending on where you install it, a leak could be disastrous. Mini-splits don’t really have a float switch (Some have options now) or back-up pan. So if it leaks, that water is going to run down your wall until you notice it’s a problem.


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
2238 posts

re: Install my own mini-split
quote:

I think you lose the warranty on other brands/models if not installed by a professional.

This is likely the #1 factor you need to consider with a DYI install.
This post was edited on 7/31 at 12:08 pm


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MikeBRLA
LSU Fan
Baton Rouge
Member since Jun 2005
12331 posts

re: Install my own mini-split
quote:

Are there pitfalls?


One is that the lineset comes precharged like you mentioned. BUT, the line set is REALLY long bc they obviously don’t know how much is needed your your application. So you are stuck with tons of line that you are stuck trying to hide somewhere and the install will look like crap if you hide it outside. It will have a much better look if the line set is cut to the proper length for you application.

ETA. Dammit LSUtigerME.
This post was edited on 7/31 at 9:58 am


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NyCaLa
LSU Fan
Baton Rouge
Member since Apr 2014
712 posts

re: Install my own mini-split
That is helpful. Think I'll get quotes for a turnkey installation


mctiger1985
LSU Fan
Baton Rouge
Member since Oct 2009
3374 posts

re: Install my own mini-split
I recently got 2 quotes in the BR area, and they were both above $4500


b-rab2
LSU Fan
N. Louisiana
Member since Dec 2005
11978 posts

re: Install my own mini-split
quote:

$4500


woof


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Aristo
LSU Fan
Baton Rouge
Member since Jan 2007
12024 posts

re: Install my own mini-split
It's easy, but it cancels any warranty if you DIY.


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RaginCajunz
LA-Lafayette Fan
Member since Mar 2009
3123 posts

re: Install my own mini-split
Do the hard work of mounting everything. Pay a tech to come finish the install. That’s what I did. Learned the hard way. Let them make the connections on both ends. I jacked my swage connector on interior and had to have it redone after it all leaked in a month.

I think the original bill was like $130 for him to come pull a vacuum and make that outside connection for me. The other second out was all my fault.


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Hamma1122
Member since Sep 2016
10008 posts

re: Install my own mini-split
I did it 3 years ago no issues. To me drain line is the toughest part


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