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Posted by nscarnati on October 27, 2007, 11:13 am
I live in maryland, and have a 1 year old, 13 seer Goodman 3-ton heat
pump for a 1200 sq ft house (yes I know its oversized, but it doesn't
act like it) and it is hooked up to a Space Pak high pressure hvac
system
All summer my AC (heat pump) unit kept the place fairly cold (and
would run constantly during the day, occasionally going off at night),
but would never get the place lower than about 73 degrees during the
day, so I always wondered if it were working correctly. There was a 20
degree differential between the return air temp and the air coming out
of the registers, which is supposed to be correct according to my HVAC
tech who installed it. The temperature on the lineset big tube
(superheat pipe?) was averaging about 60 degrees (measured using an
infrared thermometer), whcih I'm not sure if that was correct or not.
It was well insulated (just the last inch was exposed before it
entered the blower), so I don't think there's was much of any loss in
temperature inside the line set (which is about 15 feet long)
Today, its not cold outside, but a little chilly (65), so i decided to
I turn on the Heat Pump just to see how hot the air would be (last
winter it didn't heat the house too well, but I figured it was because
it was really cold outside). The air coming out of the registers was
only about 75 degrees, and the big tube on the line set was only about
80 degrees.
My gut reaction says that the charge on the system is wrong, and that
the larger pipe of the line set should have been a lot colder than 60
degrees in the summer, and now should be getting a lot hotter than 80
degrees in the fall.
Any advice on what the problem is, and what I should say to the next
HVAC tech that I hire so that it gets done correctly?
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Posted by on October 27, 2007, 11:33 am
wrote:
>I live in maryland, and have a 1 year old, 13 seer Goodman 3-ton heat
>pump for a 1200 sq ft house (yes I know its oversized, but it doesn't
>act like it) and it is hooked up to a Space Pak high pressure hvac
>system
>All summer my AC (heat pump) unit kept the place fairly cold (and
>would run constantly during the day, occasionally going off at night),
>but would never get the place lower than about 73 degrees during the
>day, so I always wondered if it were working correctly. There was a 20
>degree differential between the return air temp and the air coming out
>of the registers, which is supposed to be correct according to my HVAC
>tech who installed it. The temperature on the lineset big tube
>(superheat pipe?) was averaging about 60 degrees (measured using an
>infrared thermometer), whcih I'm not sure if that was correct or not.
>It was well insulated (just the last inch was exposed before it
>entered the blower), so I don't think there's was much of any loss in
>temperature inside the line set (which is about 15 feet long)
>Today, its not cold outside, but a little chilly (65), so i decided to
>I turn on the Heat Pump just to see how hot the air would be (last
>winter it didn't heat the house too well, but I figured it was because
>it was really cold outside). The air coming out of the registers was
>only about 75 degrees, and the big tube on the line set was only about
>80 degrees.
>My gut reaction says that the charge on the system is wrong, and that
>the larger pipe of the line set should have been a lot colder than 60
>degrees in the summer, and now should be getting a lot hotter than 80
>degrees in the fall.
>Any advice on what the problem is, and what I should say to the next
>HVAC tech that I hire so that it gets done correctly?
Say ' I don't know anything about HVAC, and don't have the
tools to work on it anyway, so please check the system out for me'.
--
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Posted by Noon-Air on October 27, 2007, 12:38 pm
>I live in maryland, and have a 1 year old, 13 seer Goodman 3-ton heat
> pump for a 1200 sq ft house (yes I know its oversized, but it doesn't
> act like it) and it is hooked up to a Space Pak high pressure hvac
> system
> All summer my AC (heat pump) unit kept the place fairly cold (and
> would run constantly during the day, occasionally going off at night),
> but would never get the place lower than about 73 degrees during the
> day, so I always wondered if it were working correctly. There was a 20
> degree differential between the return air temp and the air coming out
> of the registers, which is supposed to be correct according to my HVAC
> tech who installed it. The temperature on the lineset big tube
> (superheat pipe?) was averaging about 60 degrees (measured using an
> infrared thermometer), whcih I'm not sure if that was correct or not.
> It was well insulated (just the last inch was exposed before it
> entered the blower), so I don't think there's was much of any loss in
> temperature inside the line set (which is about 15 feet long)
> Today, its not cold outside, but a little chilly (65), so i decided to
> I turn on the Heat Pump just to see how hot the air would be (last
> winter it didn't heat the house too well, but I figured it was because
> it was really cold outside). The air coming out of the registers was
> only about 75 degrees, and the big tube on the line set was only about
> 80 degrees.
> My gut reaction says that the charge on the system is wrong, and that
> the larger pipe of the line set should have been a lot colder than 60
> degrees in the summer, and now should be getting a lot hotter than 80
> degrees in the fall.
> Any advice on what the problem is, and what I should say to the next
> HVAC tech that I hire so that it gets done correctly?
Only 1 year old?? It should still be under full warranty, get the installer
back out and have him correct the problems.
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Posted by Bubba on October 27, 2007, 8:42 pm
wrote:
>I live in maryland, and have a 1 year old, 13 seer Goodman 3-ton heat
>pump for a 1200 sq ft house (yes I know its oversized, but it doesn't
>act like it) and it is hooked up to a Space Pak high pressure hvac
>system
>All summer my AC (heat pump) unit kept the place fairly cold (and
>would run constantly during the day, occasionally going off at night),
>but would never get the place lower than about 73 degrees during the
>day, so I always wondered if it were working correctly. There was a 20
>degree differential between the return air temp and the air coming out
>of the registers, which is supposed to be correct according to my HVAC
>tech who installed it. The temperature on the lineset big tube
>(superheat pipe?) was averaging about 60 degrees (measured using an
>infrared thermometer), whcih I'm not sure if that was correct or not.
>It was well insulated (just the last inch was exposed before it
>entered the blower), so I don't think there's was much of any loss in
>temperature inside the line set (which is about 15 feet long)
>Today, its not cold outside, but a little chilly (65), so i decided to
>I turn on the Heat Pump just to see how hot the air would be (last
>winter it didn't heat the house too well, but I figured it was because
>it was really cold outside). The air coming out of the registers was
>only about 75 degrees, and the big tube on the line set was only about
>80 degrees.
>My gut reaction says that the charge on the system is wrong, and that
>the larger pipe of the line set should have been a lot colder than 60
>degrees in the summer, and now should be getting a lot hotter than 80
>degrees in the fall.
>Any advice on what the problem is, and what I should say to the next
>HVAC tech that I hire so that it gets done correctly?
Yes.
The next time you and your buddy and your beer get together dont try
and install something you have no idea about. As you can see, it
doesnt work out too well.
Bubba
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Posted by nscarnati on October 29, 2007, 2:13 pm
> Yes.
> The next time you and your buddy and your beer get together dont try
> and install something you have no idea about. As you can see, it
> doesnt work out too well.
> Bubba- Hide quoted text -
> - Show quoted text -
First off, I didn't install it, second, I don't know the guy who did,
he was referred to me by a general contractor who uses him regularly.
I found out about half way through the install that this was his first
high-pressure system install, which is why I have no confidence
getting him back here to attempt to fix it, since he obviously didn't
install it correctly in the first place
I got one more question for everyone, why is it about half of the
people in here are assholes? I'm just looking to cover my ass, and not
get taken again by a shoddy HVAC contractor when I find another one to
fix my system. I don't want to play the "i don't know whats wrong,
please fix my HVAC system, here's some money" game that I played with
the first guy, and get bullshitted by some guy that trys's to tell me
my 'flux-capacitor' was the problem
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>pump for a 1200 sq ft house (yes I know its oversized, but it doesn't
>act like it) and it is hooked up to a Space Pak high pressure hvac
>system
>All summer my AC (heat pump) unit kept the place fairly cold (and
>would run constantly during the day, occasionally going off at night),
>but would never get the place lower than about 73 degrees during the
>day, so I always wondered if it were working correctly. There was a 20
>degree differential between the return air temp and the air coming out
>of the registers, which is supposed to be correct according to my HVAC
>tech who installed it. The temperature on the lineset big tube
>(superheat pipe?) was averaging about 60 degrees (measured using an
>infrared thermometer), whcih I'm not sure if that was correct or not.
>It was well insulated (just the last inch was exposed before it
>entered the blower), so I don't think there's was much of any loss in
>temperature inside the line set (which is about 15 feet long)
>Today, its not cold outside, but a little chilly (65), so i decided to
>I turn on the Heat Pump just to see how hot the air would be (last
>winter it didn't heat the house too well, but I figured it was because
>it was really cold outside). The air coming out of the registers was
>only about 75 degrees, and the big tube on the line set was only about
>80 degrees.
>My gut reaction says that the charge on the system is wrong, and that
>the larger pipe of the line set should have been a lot colder than 60
>degrees in the summer, and now should be getting a lot hotter than 80
>degrees in the fall.
>Any advice on what the problem is, and what I should say to the next
>HVAC tech that I hire so that it gets done correctly?