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  1. A/C stops running and run without reaching the temperature setup

    Hello,

    I have a thermostat set up to be 78. However, mine stops running at 81 after running a couple of hours from 82. Then it keeps stopping at 80.

    I recently has new outside unit installed....
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    Thanks. The tech replaced the existing piston...

    Thanks.

    The tech replaced the existing piston per him but there was nothing wrong with it. He just added more Freon. The temp went down a little (about 2 degree?) but didn't help much. He left...
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    No clue to tell with my limited knowledge. When I...

    No clue to tell with my limited knowledge. When I googled it, I found expansion valve from ebay. That looks similar even thought it is different

    He said he'd be attaching(replacing?) this one to...
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    the compressor was grounded and shorted. It's...

    the compressor was grounded and shorted. It's R22. the one was Bryant. I believe it is 4 ton.
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    The tech came back and got mad that I was not...

    The tech came back and got mad that I was not getting temperature he thought I was getting. He admitted it should be 5-6 degree cooler from the vent and he seemed angry that he couldn't find the...
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    Would you mind telling me if there is anything I...

    Would you mind telling me if there is anything I can ask the tech when he comes back?..I am under the impression I got the wrong unit from what you saying and there is nothing that can be done. If...
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    Thanks, I am planning to call the tech when it's...

    Thanks, I am planning to call the tech when it's hotter like 95-100 to get it rechecked if that's good idea. I have two units each for upstairs and downstairs. It was for upstairs if that matters....
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    it's the same size of condenser I had before and...

    it's the same size of condenser I had before and coil worked great with the old condensor. Could the coil be still the problem?
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    You lost me there even though I do have some...

    You lost me there even though I do have some basic understanding . Indoor humidity was 54 and outdoor humidity was 87-ish. Indoor temp was 85-ish. It rained over the night. I have temp/humidity...
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    Thanks for quick reply..

    Thanks for quick reply..
  11. Replies
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    It is R-22. Model number is GSC130481. Coil is...

    It is R-22. Model number is GSC130481. Coil is all style which home warranty company installed 4 years ago. I wanted to replace all with R410. But situation I had to get this for noe
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    new condensor unit is not as cool as old one

    Hi,

    I got a Friday night emergency with grounded compressor and new condenser installed on Saturday. Even though I appreciate for the tech to show up and did all the work with reasonable price, I...
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    way to make condense unit quieter?

    I need a problem with my neighbor's unit making noises. The unit happens to be 10-15 feet away and the sound amplifier or reflect from their brick walls to my window. It's brand new unit with model...
  14. 78 indoor and outdoor was 94. It used to be very...

    78 indoor and outdoor was 94. It used to be very warm....I guess hot was overrated.
  15. indoor filter was replaced two weeks ago and...

    indoor filter was replaced two weeks ago and condensor coil was cleaned using garden hose at the same time.

    temp 78 is maintained still even though I feel A/C runs longer than before. (outdoor...
  16. gosh, I posted twice and have no idea how to...

    gosh, I posted twice and have no idea how to delete the duplicate
  17. highside is not hot any longer. Should I call a tech?

    my A/C has been working very well since I got evap coil replaced 3 years ago in DFW area. Today, I felt the house is hotter than usual and decided to go out to see what's going on. The low side is...
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    well, the guy came in and told me the freon is a...

    well, the guy came in and told me the freon is a bit low now
    Without having him add the freon, I just asked him what's the pressure and let him go. I couldn't trust him ...

    when outside was 80...
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    I will call the one who fixed mine last year...

    I will call the one who fixed mine last year first to see what he has to say.
    However, can you tell me the posssible causes so that I could have some understanding?...I don't want to let the guy do...
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    is this normal? the thick pipe is not cold

    I don't know the name of the pipe. There is one thin and thick pipe. The thin one gets hot and the thick one I believe is supposed to be cold when the unit is on.

    I have about 11 years split...
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    in fact, i found out A/C was not working and...

    in fact, i found out A/C was not working and pinpoint the location of pipe nailed while they were doing installation. It was very easy guess for me even though I had to crawl my attic to confirm....
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    no..it goes to inside of the brick wall. where...

    no..it goes to inside of the brick wall. where the hole on the pipe is about 1-2 feet from the beginning to the brick wall.

    Well, I just learned my A/C quitted working again....Just warm air. I...
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    I am very very concerned but I just don't know...

    I am very very concerned but I just don't know what to do. The pipe is cold as much as it used to even though the temp from vent seems cold. ( this amazed me).

    How do you fix the pipe like this....
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    what kind of problem should I expect?

    what kind of problem should I expect?
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    well. I am told it's not soft soldering but aldo...

    well. I am told it's not soft soldering but aldo don't know what kind of soldering was done. The A/C guy who showed up says he heard it was hard soldering. He didn't bother to install line filter and...
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    they said they'd take care of it. My problem...

    they said they'd take care of it.

    My problem is that the soldering they did can't be trusted. If that is stilll open I'd have someone checked out but they covered with new decking and shingle...
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    I just talked to them again but the said they...

    I just talked to them again but the said they followed what A/C technician told them to do...

    At this point, is it just best to hope the soldered pipe will last?.I will tell A/C tech to change...
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    nailed a/c pipe during roofing

    while I was getting new roof, I found freon was all leaked out from the system and later it turned out the nail used by roofer punctured the pipe in the attic.

    The pipe was right beneth of...
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    I will try to minimize the usage till I can have...

    I will try to minimize the usage till I can have someone look a but it's Dallas, it's 100 degree and it's the one of hottest summer I ever had here. Fortunately, it's the unit for downstairs and it...
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    loud buzzing sound from the condensor outside

    It started two weeks ago at night I heard the sudden buzzing sound from outside and got scared and turned off outside unit. The noise went away. After 10 to 15 minutes I turned it back on and I...
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    super seal for leak on the evaporator coil

    I need help with my leak issue.

    I have home warranty for the house and they sent a tech for the issue that my house was not cooling very well. The tech found a small leak on the evaporator coil...
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    oil near valve on outside unit. need help

    I had a service call for leak check last Thursday and the tech who came by found a leak on inside coil As a result, the coil is supposed to be replaced sometime this week. It's covered work by home...
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    is the bigger better?

    I was discussing system replacement option with one of A/C company and they are offering to install 5 ton for just a little more from 4 ton which is what I have for my second floor now.

    They say 5...
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    need advice for new coil or system

    I had freeon added twice already this year and the second floor was not cooling below 83 or 84 when outside is 100. The last time I had a freeon added was two months ago. I call a A/C company...
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    The refrigrant line is on the top. So there was...

    The refrigrant line is on the top. So there was lots of bypass and i assume there is good chance that freon was not charged correcly..do I understand correctly?..The cove was open from the side...
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    I am in Texas. As long as the dead body falls in...

    I am in Texas. As long as the dead body falls in my property, I don't get in trouble. LOL
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    Thanks... by the way, what kind of BB guns...

    Thanks...

    by the way, what kind of BB guns work best?...I only have real ones....
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    I moved a couple months ago and felt the air was...

    I moved a couple months ago and felt the air was not cold enough. That was the reason I called the tech and he said freon was low. He didn't spend much time. Freon was the first thing he checked and...
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    freon charged with evaporator coil over open

    When my tech came and charged the freon, he probably didn't know and coil cover in the attic was open but charged two pound of freon and left.

    It appears someone long ago did some repair on the...
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    I looked at them and it does not seem to freeze...

    I looked at them and it does not seem to freeze at all. I guess there is another problem....sigh....line is not very cold(subjectively). No condensation was watched.

    I thought about calling...
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    where would I see the system being frozen?..will...

    where would I see the system being frozen?..will it be near the coil?. I closed the cover after I saw..I will attemp to see myself if I know where to look before I call them .
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    Thanks for all replies. I went to attic...

    Thanks for all replies.

    I went to attic yesterday to see the coil. I found out the coil cover(?) was not closed completely and left open. I could see the coil without doing anything. . It would've...
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    I had two pounds of freeon refilled

    I moved in two story house in Dallas, TX and found the air conditoners are not very cool in upstairs and downstairs. I think one unit for downstair didn't work for a while. ( fan was working but only...
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    At May, I called him first time when I felt the...

    At May, I called him first time when I felt the air is not cold enough. He came by and check temp from nearest vent from evaporator coil. It was 64 when outside was 94. he said freon level is normal...
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    Yes, I do have his license number on the invoice.

    Yes, I do have his license number on the invoice.
  46. Replies
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    It's the pipe in the attic near the evaporator...

    It's the pipe in the attic near the evaporator coil. It's about 2 feet from the coil box.
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    oil on the pipe and leaking freon

    I have been finding oil on the return(? thick one that gets cold) pipe all the summer and the house does not get cold quick any longer.

    When a contractor came and tried soap solution, there is no...
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    Thanks for reply However, i wanted to be more...

    Thanks for reply

    However, i wanted to be more ready for him or new A/C tech.
    I find it difficult to find good A/C tech
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    suggestion for freeon leaking

    I have a few questions for my situation

    I had new 4 ton 13 sheer unit installed in March replacing 16 year old unit.
    The reason was replacement was that I wanted to have cooler and economic unit...
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    fix or replace a unit?

    I have 18 yrs old goodman 4ton for 2000 sq ft house and outside unit keeps leaking from freon.

    it leaks from bottom first and freon and fillled. Then later top portion of the unit started leaking....
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