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Started By
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Outside AC Unit question for the know it alls
Posted on 12/2/14 at 1:22 pm
Posted on 12/2/14 at 1:22 pm
My AC Unit is no longer working and I was told the compressor is bad. This unit is about 12 years old at least. If I replace the outside unit on a 1800sq ft house, what should I look into? What specs and damage am I looking at?
Is it worth just replacing the compressor, and if so what would something like that cost?
Just looking for some insite befoe I talk to this guy again
Is it worth just replacing the compressor, and if so what would something like that cost?
Just looking for some insite befoe I talk to this guy again
This post was edited on 12/2/14 at 1:25 pm
Posted on 12/2/14 at 1:24 pm to Crawdaddy
quote:My compressor went out about this time last year. My unit was about 10 years old and it made more sense to go ahead and replace everything, inside and out
Is it worth just replacing the compressor, and if so what would something like that cost?
Posted on 12/2/14 at 1:28 pm to Crawdaddy
If your unit uses the old refrigerant, you'll probably have to replace the indoor unit as well.
Posted on 12/2/14 at 1:29 pm to crimsonsaint
quote:Yep
If your unit uses the old refrigerant, you'll probably have to replace the indoor unit as well.
Posted on 12/2/14 at 1:34 pm to ForeverLSU02
What is old refrigerant?
Posted on 12/2/14 at 1:37 pm to Crawdaddy
Def replace the unit....
I would ask the guy (the new unit will have a manufacture warranty) what is his warranty for service (usually about a 1 year, if you get more great)
I would ask the guy (the new unit will have a manufacture warranty) what is his warranty for service (usually about a 1 year, if you get more great)
Posted on 12/2/14 at 1:39 pm to Crawdaddy
quote:
I'd get a second opinion before I shell out that much money.
There's a ton of unscrupulous repairmen out there. It's hard to know who to trust.
Posted on 12/2/14 at 1:39 pm to NOWhoDat
What size sould I look for? 1800 sq ft house all living space.
Posted on 12/2/14 at 1:45 pm to Crawdaddy
4 ton
i think ours is 13 seer
ETA: if your's was 12 years old, you should see a big savings on your electric bill. Ours went down over $100.
i think ours is 13 seer
ETA: if your's was 12 years old, you should see a big savings on your electric bill. Ours went down over $100.
This post was edited on 12/2/14 at 1:47 pm
Posted on 12/2/14 at 1:48 pm to LSUTygerFan
2200 sqf home... just had to replace our unit
got a 4ton
got a 4ton
Posted on 12/2/14 at 1:49 pm to Crawdaddy
I would guess 4 ton, but replace with same size as the old unit unless you have reason to believe it is not big enough. We changed our 5-ton unit about 6 months ago. Went with Carrier and latest SEER rating (14 or 15, I think) and also changed out furnace. Total damage was about $7,400. If you don't do the furnace you can probably knock off about $1K. For a 4-ton unit, maybe you're looking at another $0.5-1K off?? Not sure. This is just one data point (Houston). The key is to get three bids and make sure every contractor knows there is competition for the work.
Posted on 12/2/14 at 1:50 pm to K E V 8 4
replaced our old unit with a 4 ton, air handler included for roughly $5k
Posted on 12/2/14 at 1:59 pm to Crawdaddy
Get a few quotes for a new complete system on the r410a refrigerant.
I wouldn't piecemeal the system one part at a time if it were me. You'll have a new compressor and coil and then a few years later the air handler will give out.
While you could just stay on the old r22 and replace the compressor only you will be eaten alive with repair costs and freon on the old refrigerant.
Newer quality systems can come with 10 year warranties.
You'll likely get some savings on your utilities also with the new equipment.
I'm not a fan of the 2 stage compressors but you can couple a single stage compressor with a variable speed furnace which works well.
I wouldn't piecemeal the system one part at a time if it were me. You'll have a new compressor and coil and then a few years later the air handler will give out.
While you could just stay on the old r22 and replace the compressor only you will be eaten alive with repair costs and freon on the old refrigerant.
Newer quality systems can come with 10 year warranties.
You'll likely get some savings on your utilities also with the new equipment.
I'm not a fan of the 2 stage compressors but you can couple a single stage compressor with a variable speed furnace which works well.
This post was edited on 12/2/14 at 2:00 pm
Posted on 12/2/14 at 2:03 pm to Crawdaddy
I just had the same problem and I went with a new unit. It cost me $6500. The problem is they are going with a new refrigerant and it made more sense and get a total upgrade. Get something that is energy efficient.
Posted on 12/2/14 at 2:07 pm to Crawdaddy
quote:Don't use a company that sizes your unit off of square footage. Ceiling heights, insulation, sun exposure, number of Windows all should be factored in. A unit that is to large will be inefficient and will cycle on and of too often to cool your house in humid conditions.
What size sould I look for? 1800 sq ft house all living space.
Also, get a few other quotes/diagnosis.
This post was edited on 12/2/14 at 2:09 pm
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