Home A/C Recharge ?
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From: MA
Home A/C Recharge ?
I am looking for info about recharging my Window A/C units. I have a 13000 BTU unit that used to cool the whole downstairs. Now it just cools 1 room and I need to use a fan also.
Anyone have any info on how to recharge them?
I know you could buy the recharge kits before, but not sure they still sell them.
I don't think it would be cost effective to call an A/C guy to recharge them, because I could go buy a new one for a couple hundred dollars.
Any help would be appreciated.
Thanks
Anyone have any info on how to recharge them?
I know you could buy the recharge kits before, but not sure they still sell them.
I don't think it would be cost effective to call an A/C guy to recharge them, because I could go buy a new one for a couple hundred dollars.
Any help would be appreciated.
Thanks
Post Fiend
Joined: Jan 2006
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From: North of Normal
You might try a local Appliance store that has a sevice dept.there one near me that recharges window AC for $35.00-50.00 depending on the size.Maybe you can get a kit from one near where you live.
Post Fiend
Joined: Feb 2003
Posts: 6,940
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From: Eastern WA
If it's an older unit it probably uses R12. Contrary to popular belief, you can comingle R134 with R12 or you can get some crappy R12 substitute. You need to install a low side service port; there are clamp on compression units that once installed (like, with just four allen screws) you simply turn a setscrew in the unit and it pierces the line, thus providing your service port on this unit. While they are convenient, these can be leakers so I like to drain the unit and silver solder on a service port. If you do this, you will have to evacuate the unit before charging.
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From: MA
Originally Posted by CowboyBilly9Mile
If it's an older unit it probably uses R12. Contrary to popular belief, you can comingle R134 with R12 or you can get some crappy R12 substitute. You need to install a low side service port; there are clamp on compression units that once installed (like, with just four allen screws) you simply turn a setscrew in the unit and it pierces the line, thus providing your service port on this unit. While they are convenient, these can be leakers so I like to drain the unit and silver solder on a service port. If you do this, you will have to evacuate the unit before charging.
I guess $35-$50 isn't a bad price after all..
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If it uses R-12, you can re-fill it with a product called freeze12. Depending on the age of the unit it may be more economical to replace it with a new high efficiency unit. In addition, newer units use R410A(trade name: puron), which dosen't deplete the ozone layer(no chlorine). Plese note that you can't refill R-22 equipment with puron because the components can't handle the increased operating pressure.
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From: MA
Originally Posted by E350superduty
If it uses R-12, you can re-fill it with a product called freeze12. Depending on the age of the unit it may be more economical to replace it with a new high efficiency unit. In addition, newer units use R410A(trade name: puron), which dosen't deplete the ozone layer(no chlorine). Plese note that you can't refill R-22 equipment with puron because the components can't handle the increased operating pressure.
How can I tell what refrigerent it has in there. Do they have a Tag or something?
Post Fiend
Joined: Feb 2003
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From: Eastern WA
If you look around it should have a tag on it identifying the refrigerant and the charge. As for service ports, I have yet to ever see one on a window unit unless it was added after manufacture. That added service port is not always a good thing to see as it can mean it's a slow leaker. But look at it like this, it could be worse. It could be a port added to a refrigerator or freezer. Do you wanna take a two week vacation with that in your house? And yes, people have been burned by what I just said.
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