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Let's talk about my home A/C unit! So fun!

Posted on 3/24/15 at 1:40 pm
Posted by Grassy1
Member since Oct 2009
6253 posts
Posted on 3/24/15 at 1:40 pm
Existing unit is about 12 years old. Bad leak in condensor and small leak in the dryer.

Repairman suggests changing entire unit if we can swing the money.

Quoted me:

Ruud (by Rheem) 5 ton unit, 15 Seer, inside and outside units, installed $7215

Could do a Trane for about $1000 more.

What says the OT a/c experts?

Edit: Evaporator coil, not condensor.
This post was edited on 3/24/15 at 3:52 pm
Posted by Wtodd
Tampa, FL
Member since Oct 2013
67482 posts
Posted on 3/24/15 at 1:47 pm to
quote:

Ruud (by Rheem) 5 ton unit, 15 Seer, inside and outside units, installed $7215

I just replace mine in a rental unit (a 4 ton Ruud) and it was $4200 installed and included the ducts being cleaned and a new slab for the outside unit.
Posted by POONHOUND
Member since Nov 2010
1505 posts
Posted on 3/24/15 at 2:10 pm to
what's the square footage of your home?
Posted by doubleb
Baton Rouge
Member since Aug 2006
36014 posts
Posted on 3/24/15 at 2:38 pm to
quote:

What says the OT a/c experts?


First question, how long do you intend to stay in this home?
Posted by Kingwood Tiger
Katy, TX
Member since Jul 2005
14162 posts
Posted on 3/24/15 at 2:57 pm to
Posted by skinny domino
sebr
Member since Feb 2007
14335 posts
Posted on 3/24/15 at 3:15 pm to
quote:

I just replace mine in a rental unit (a 4 ton Ruud) and it was $4200 installed and included the ducts being cleaned and a new slab for the outside unit.
what was the seer on your 4 ton?
Posted by kingbob
Sorrento, LA
Member since Nov 2010
67075 posts
Posted on 3/24/15 at 3:17 pm to
I'm going to need square footage of your home and ceiling heights in order to give you what you seek.
Posted by doubleb
Baton Rouge
Member since Aug 2006
36014 posts
Posted on 3/24/15 at 3:35 pm to
quote:

m going to need square footage of your home and ceiling heights in order to give you what you seek.


You need to know how long he intends to stay where he is.

Spending top dollar on good equipment only makes sense if you plan on staying there awhile.
Posted by Catman88
Baton Rouge, LA
Member since Dec 2004
49125 posts
Posted on 3/24/15 at 3:44 pm to
quote:

Repairman suggests changing entire unit if we can swing the money.


80% chance Repairman works for 1 Hour AC.
Posted by Napoleon
Kenna
Member since Dec 2007
69071 posts
Posted on 3/24/15 at 3:47 pm to
how bad a leak?
they have made huge strides in leak seal technology in the last few years.
There is this stuff that seals like magic, it comes in a syringe.
Posted by Grassy1
Member since Oct 2009
6253 posts
Posted on 3/24/15 at 3:59 pm to
Let me try to answer your questions:

I have no plans to move any time soon. So, ten years or so, I'd guess.

The house is 4000 square feet. Have 3 units. The problem one is a 5 ton. Not sure of the exact square footage of the coverage of that unit, but its the living room, foyer, keeping room, breakfast, kitchen, dining, utility, one bath and one bedroom. 12 foot ceilings in this area. The 5 ton unit has seemed about right.

ETA: If you think it's critical, I can measure the sq footage.
This post was edited on 3/24/15 at 4:07 pm
Posted by Grassy1
Member since Oct 2009
6253 posts
Posted on 3/24/15 at 4:01 pm to
He said leak seemed pretty bad. Said there was almost no coolant in the unit.

So, maybe repairable? I dunno...
Posted by doubleb
Baton Rouge
Member since Aug 2006
36014 posts
Posted on 3/24/15 at 4:08 pm to
quote:

I have no plans to move any time soon. So, ten years or so, I'd guess


If you are staying 10 years then invest in the 15 SEER, and I would go with the Trane.

5 ton unit with high ceilings like that should cover 2000 square feet with decent insulation, and not a lot of windows or a lot of Sun.
Posted by Grassy1
Member since Oct 2009
6253 posts
Posted on 3/24/15 at 4:19 pm to
For free help, I did the measuring:

811 square feet x 9' ceilings

622 square feet x 12' ceilings

A lot of windows, mostly on north and east side.
Posted by Grassy1
Member since Oct 2009
6253 posts
Posted on 3/24/15 at 4:21 pm to
I heard that Trane lost their advantage over other makes when they converted to the Scroll compressors like most of the others. True or not so true?
Posted by kingbob
Sorrento, LA
Member since Nov 2010
67075 posts
Posted on 3/24/15 at 5:04 pm to
you're going to need at least 24,000 BTU's based on the square-footage, but you will need additional for the kitchen. Since I don't have the house plan (or my AC notes), I would recommend getting one at least one size up from that. Also remember, the higher the seer, the more efficient it will be and cheaper to run.
Posted by doubleb
Baton Rouge
Member since Aug 2006
36014 posts
Posted on 3/24/15 at 5:06 pm to
Trane's have worked very well for me and I've put them in my last two homes. They are rugged and reliable and parts are readily available. I've had no compressor issues.
Posted by Grassy1
Member since Oct 2009
6253 posts
Posted on 3/24/15 at 5:12 pm to
I don't mind paying more for a Trane, if there's value there.

I've had a couple recommendations of Ruud/Rheem.


I'll google, and see where 24,000 btu falls.

The tech quoted a 15 Seer unit, and advised this was the "standard."
Posted by Grassy1
Member since Oct 2009
6253 posts
Posted on 3/24/15 at 5:17 pm to
Wow... look up Ruud, and there's nine different "Series"... of course, none of those details given on a verbal quote. Just the brand name, Seer number and "5 Ton".
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