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AC not keeping up - tech says its ok - any ideas?

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AC not keeping up - tech says its ok - any ideas? zirconx9 07-22-2006
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Posted by =?iso-8859-15?Q?Tekkie=AE?= on July 31, 2006, 10:01 pm
PJ ;-) posted for all of us...
I don't top post - see either inline or at bottom.=20

>=20
> Tekkie=AE wrote:
>=20
> > PJ ;-) posted for all of us...
> > I don't top post - see either inline or at bottom.
> >
> > > a rule of thumb
> > >
> > Huh? Ya got two? I have been reading this group for years and even I =
have
> > picked up: rule of thumb =3D hack.
> > --
> > Tekkie
>=20
> Read the first sentence of my post dated Tues, Jul 25 2006 4:18 pm in
> relation to Moe. Take the hint !! Prove my figures wrong !
>=20
>=20
YOU are WRONG
--=20
Tekkie

Posted by Bob_Loblaw on July 24, 2006, 12:14 am
zirconx9@yahoo.com wrote in news:1153608072.595587.231370
@s13g2000cwa.googlegroups.com:

I've checked the air coming
> out of the vents and its around 56-59 degrees.

Then the AC is doing it's job.
It sounds like an airflow issue.
Like someone said, could be a return air problem.



--
Respectfully, Bob

Posted by daytona on July 24, 2006, 5:30 am
I missed there area of the country you live in. If the system is designed
for 90° out side temp and you have 104° outside. This will have a great
difference in system operation. You gaining more heat than removing.


> 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.
>



Posted by hvacnewby on July 24, 2006, 8:30 pm
its looks like your unit may be undersized a bit ...i would check with
a local reputable ac dealeer with both sizing ac questions they will
tell u accurately..altho not so cheaply..but you dont want cheap when
it comes a a major purchase such as a new ac
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.


Posted by Noon-Air on July 24, 2006, 9:25 pm

> 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.
>

Pardon the obvious, but add 10 - 12 inches of insulation in the attic.



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