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Thread: goodman ck42-1c

  1. #1

    Unhappy goodman ck42-1c

    i have a 18x76 mobile home with a goodman ck42-1c from what i read and the landlord has told me it is a 3.5 ton.. Well it blws cold and of course one side of home is cooler but in San Antonio it never cuts off during the day thermastat says 84 and desired temp is 72. not til the night time des it cut off and get cool. the land lord sent ac guy out and said the air is 50 deg and its running normal any info that could help me?/ thanks

  2. #2
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    do you have good Air flow, and supple air at 50 and what the return?

    WHats the Outside air temp?

    How big is the Mobile Home?
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  3. #3
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    Quote Originally Posted by 210cnj View Post
    i have a 18x76 mobile home with a goodman ck42-1c from what i read and the landlord has told me it is a 3.5 ton.. Well it blws cold and of course one side of home is cooler but in San Antonio it never cuts off during the day thermastat says 84 and desired temp is 72. not til the night time des it cut off and get cool. the land lord sent ac guy out and said the air is 50 deg and its running normal any info that could help me?/ thanks
    It probably is putting out 50* air.
    The temps here, are anywhere from 97 to 102 in the daytime.
    Mobile homes are like an oven, baking in the sun all day long.
    Along with notorious leaky ducting, you're lucky you can pull it down to 84*
    I'm assuming, this is your first summer in the home.

  4. #4
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    Quote Originally Posted by the dangling wrangler View Post
    It probably is putting out 50* air.
    The temps here, are anywhere from 97 to 102 in the daytime.
    Mobile homes are like an oven, baking in the sun all day long.
    Along with notorious leaky ducting, you're lucky you can pull it down to 84*
    I'm assuming, this is your first summer in the home.

    Thats what I was thinking it would be like. big time heat gain and bad duct work. Oh boy
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  5. #5
    air flow is good by the inside unit outside air tem is 100+ for about 3 weeks.
    Yes my first summer. the air going to furthest room is barely putting out.
    18x76
    How can i tel if the ducts are leaky besides the obvious going under
    i have a shingled roof and drywall inside shouldnt that make some sort of diference?

  6. #6
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    For a HO doing it yes and if it flex make sure the felx is not calsaped and is full streached out and not leaking. That my help you

    Make sure your filter in cleaned and changed reg.

    SOund like DW nail it thought.
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  7. #7
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    Quote Originally Posted by 210cnj View Post
    air flow is good by the inside unit outside air tem is 100+ for about 3 weeks.
    Yes my first summer. the air going to furthest room is barely putting out.
    18x76
    How can i tel if the ducts are leaky besides the obvious going under
    i have a shingled roof and drywall inside shouldnt that make some sort of diference?
    I can save you a trip under there. The duct is leaking. Big time.
    The only way to fix, it would be to cut the material that lines the underside of the trailer,expose the duct, seal the duct,fasten the material back up again.

    The shingled roof, is it over the trailer, or part of it? If it's over, it should do a lot. If it's part of it,well, you feel the results. The Sheetrock, if it's thicker than 1/4" it should do something.

    How about drapes/curtains? They'd help if they're the thick type.

    You're trying to stop the heat from ever entering the home,period.

  8. #8
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    DW sounds like you've played this game more the a few times
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  9. #9
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    Here in Houston this weekend, the heat index is going to be right at 110*

    My wife is in S A for the holiday, I'll call her and get the weather report first hand. I'll bet ya, the heat is close to, or over what it is here.

  10. #10
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    Quote Originally Posted by fcs View Post
    DW sounds like you've played this game more the a few times
    Sometimes the simple stuff is the hardest to see.
    When everything else fails, go back to basics.

    When I was learning the trade I got to install a few mobile home systems. Oh the horror.
    I don't think we had but two, maybe three hours to do the total install.
    Quality work wasn't allowed. But, I did sneak a couple good ones in.

    Oh the horror

    http://www.youtube.com/watch?v=AGosYIlXdmU
    Last edited by the dangling wrangler; 07-04-2009 at 04:10 PM.

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  12. #12
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    Its hard to believe you're getting anywhere near a 34 degree drop from 50 to 84 but if those numbers are even within 5 to 10 degrees it sounds like you're not getting enough air across the evaporator coil or it's really dirty. Another thing I found out the hard way is mobile homes will fool you when it comes to sizing. I rarely mess with them but as a rule I would double what I think a normal house would take.

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