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Posted by Gibbel on July 31, 2006, 11:03 pm
You just described my situation EXACTLY. Exactly the same kind of
temperature swings, etc.
Outdoor unit is a TempStar 2.5 ton 12 seer.
Indoor unit is a Goodman GMP075-3 (only one notch up from the cheapest
and least powerful unit they made).
I live in a condo which I learned are usually made from the absolute
cheapest materials available to keep costs down.
I've had techs as well say the same thing, "it's running fine."
Finally I was advised that the system just isn't powerful enough.
I'm having someone come out to spec me out a new ac/air handler that
will do the fucking job.
zirconx9@yahoo.com wrote:
>I'm having trouble with the air conditioner in the house I just moved
>into. I know its hard to diagnose anything over the 'net but I am out
>of ideas and am looking for things to check on.
>
>The house was built in '85, its 1450 sq ft, split level design. I am
>in the midwest. The livingroom and dining room are together under a
>vaulted ceiling. I've been in the attic and it looks like there is at
>least 12" of newer fiberglass insulation up there. The AC unit looks
>fairly new (5 yrs?) and is a 2.5 ton.
>
>The symtoms are: its hot! I had an AC guy come out because the house
>was 80 degrees at the thermostat, which is located in a hallway between
>the living room/dining room and the bedrooms. He checked the freeon
>level, put a new filter in, and cleaned the condenser coils. He said
>when its 100+ degrees out, its reasonable to only get down to 80. My
>last house, a 1960 ranch, had no problem cooling in any conditions, but
>ok.
>
>Today its 84 degrees out, and its 75 in the house. A 9 degree drop!
>Seems ridiculous to me. Also since the tech has been out I had the
>strongest tint available installed on all the windows in the living
>room and dining room.
>
>He said he was getting a -21 degree drop between in the in/out air at
>the evaporator, which he said was normal. I've checked the air coming
>out of the vents and its around 56-59 degrees. It feels like there is
>plenty of air flow out of the vents. Half of the vents in the basement
>are closed to push more air to the upper levels.
>
>If you have any ideas I'd appriciate it. My AC pretty much runs
>constantly during the day, all the way until 11 or 12 at night. I'm
>not looking forward to getting my first electric bill.
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