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AC went out, need advice on what' is being recommended

Posted on 3/27/16 at 10:51 am
Posted by Spilled Milk
Member since Mar 2015
1075 posts
Posted on 3/27/16 at 10:51 am
So my compressor went out a few days ago, I've had a couple of companies out to look at it and both agree it's best to replace the whole unit as it's an old r22 system and it's shitty(luxaire).

One of the guys said I could keep my furnace as it's gas and separate from everything else...leaving me replacing just the condenser unit on the outside and evaporator coil on the inside. The new components would be Trane.

Is this ok or should I change everything out?
Posted by Commandeaux
Zachary
Member since Jul 2009
7292 posts
Posted on 3/27/16 at 10:53 am to
I hope youre an OT baller. You gone get raped.
Posted by bountyhunter
North of Houston a bit
Member since Mar 2012
6336 posts
Posted on 3/27/16 at 10:58 am to
If you buy a new compressor and there aren't any leaks, you should be good for 5 years (I think that's the warranty on most compressors). Only reason a compressor should go out is extreme age and/or being run with a shortage of coolant.

They didn't give you an avenue on replacing just the failed compressor?
Posted by Spankum
Miss-sippi
Member since Jan 2007
56052 posts
Posted on 3/27/16 at 11:00 am to
If not already done, I think you need to get someone to have a really good look at your heating unit to be sure the heat exchanger is in good shape, while you could save some dollars by not replacing the heater, you sure don't want to have to replace that unit a year from now...
Posted by T
Member since Jan 2004
9889 posts
Posted on 3/27/16 at 11:00 am to
If you know exactly what needs to be replaced in the system, ask each company if they will replace just that when they come out to give quote. Most will say everything needs to be changed out regardless of what shape the system is in. Get enough companies to come out and one will be honest and give you what you're looking for.
Posted by cave canem
pullarius dominus
Member since Oct 2012
12186 posts
Posted on 3/27/16 at 11:12 am to
quote:

So my compressor went out a few days ago, I've had a couple of companies out to look at it and both agree it's best to replace the whole unit as it's an old r22 system and it's shitty(luxaire).

One of the guys said I could keep my furnace as it's gas and separate from everything else...leaving me replacing just the condenser unit on the outside and evaporator coil on the inside. The new components would be Trane.

Is this ok or should I change everything out?



IMHO I would replace your current unit with a heat pump and keep your old furnace,that way you have both.
Posted by 756
Member since Sep 2004
14874 posts
Posted on 3/27/16 at 11:25 am to
Where do live city?
Posted by mdomingue
Lafayette, LA
Member since Nov 2010
30388 posts
Posted on 3/27/16 at 11:50 am to
quote:

whole unit as it's an old r22 system


If you still have an old r22 unit, it's probably better to replace the whole thing now. If you don't you're probably just kicking the can down the road another 5 years at most, and that's assuming you don't have a leak in either or both sets of coils.

On the gas furnace, If the companies you got quotes from suggested you keep it after an inspection of the unit, keep it. If they didn't inspect it, I would have that done before deciding. Get them to quote you a new furnace as an option, either way.

Trane is a good, reliable brand.
Posted by Layabout
Baton Rouge
Member since Jul 2011
11082 posts
Posted on 3/27/16 at 12:03 pm to
quote:

If not already done, I think you need to get someone to have a really good look at your heating unit to be sure the heat exchanger is in good shape, while you could save some dollars by not replacing the heater, you sure don't want to have to replace that unit a year from now...




This. I would add that replacing the evaporator coil could involve rebuilding the plenum to accommodate a different size. If so, it just makes sense to replace the heating unit too.
Posted by retired trucker
midwest
Member since Feb 2015
5093 posts
Posted on 3/27/16 at 12:05 pm to
don't see why you have to do the whole thing either!

Mom upgraded the furnace and left the rest alone...no issues...been several years too

why spend more than you have to?
Posted by CHEDBALLZ
South Central LA
Member since Dec 2009
21935 posts
Posted on 3/27/16 at 12:33 pm to
Are you located in the deep south?

If so you probably rarely use the furnace. Replacing the ecoil and condenser would be fine.
Posted by Chili Dawg
Member since Sep 2012
730 posts
Posted on 3/27/16 at 1:07 pm to
How long will you own that property? If you don't know, just replace the condenser and evaporator. If you know you'll be there for five or more years, replace the furnace too. Do NOT just replace the compressor. You can expect to pay $100/lb to recharge the system ( my cost just went up AGAIN) and that $ should be applied towards solving this problem. Trane equipment is solid. Good luck.
Posted by LSUsmartass
Scompton
Member since Sep 2004
82365 posts
Posted on 3/27/16 at 1:23 pm to
This is an ignorant question, what components are involved with the evaporator coils? Does this include your blower and air handler?
Posted by Chili Dawg
Member since Sep 2012
730 posts
Posted on 3/27/16 at 2:08 pm to
The evaporator coil is a seperate component if there is a furnace. An air handler has an evaporator coil and a blower built in it.
Posted by Spock's Eyebrow
Member since May 2012
12300 posts
Posted on 3/27/16 at 2:19 pm to
If the old evaporator coil is rated for R410a, they should be able to flush the old refrigerant/oil mix and let you keep it. If not, yeah, you have to replace both the coil and condensing unit to move to R410a.
Posted by Chili Dawg
Member since Sep 2012
730 posts
Posted on 3/27/16 at 2:33 pm to
All older coils were made with copper. All manufacturers were buying copper from China. Chinese copper leaks because it wasn't smelted properly. All Tranes coils (inside and outside) are now made with aluminum. It's not a difficult call if you know all the facts. There is no future with R-22.
Posted by Spock's Eyebrow
Member since May 2012
12300 posts
Posted on 3/27/16 at 2:45 pm to
quote:

All older coils were made with copper.


Tell me about it. I had to replace two. OTOH, I have a neighbor with the same coil, and it hasn't leaked in 10 years.

quote:

All Tranes coils (inside and outside) are now made with aluminum. It's not a difficult call if you know all the facts. There is no future with R-22.


All the manufacturers moved to all-aluminum coils a few years ago, not just Trane. As for staying with R22, I didn't suggest that.
Posted by Chili Dawg
Member since Sep 2012
730 posts
Posted on 3/27/16 at 2:54 pm to
There are still many manufacturers making condensers/heat-pumps with copper coils...
Posted by Spock's Eyebrow
Member since May 2012
12300 posts
Posted on 3/27/16 at 3:03 pm to
quote:

There are still many manufacturers making condensers/heat-pumps with copper coils...




It's only the copper evaporator coils that were failing left and right, and evaporator coil is what is usually meant when "coil" is used by itself. I thought it was clear from context.
This post was edited on 3/27/16 at 3:05 pm
Posted by Chili Dawg
Member since Sep 2012
730 posts
Posted on 3/27/16 at 3:27 pm to
quote:

If the old evaporator coil is rated for R410a, they should be able to flush the old refrigerant/oil mix and let you keep it.


I'm not here to argue. Bottom line: In this case that is bad advice.
Oh yeah, Hoppy Easter!
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