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Subject Author Date
high/low side insulation BigDog 07-09-2007
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Posted by BigDog on July 9, 2007, 4:02 pm

Can anyone tell me the reason that the low pressure line of home A/C
unit is insulated, and the high side line is not?? It seems to me
you would minimize the affects of external heat gain/loss by
insulating both lines, thus being able to fine tune the system a
little better.


Thanks,
Brad (AZ - very hot)


Posted by r.bartlett on July 9, 2007, 4:11 pm

>
> Can anyone tell me the reason that the low pressure line of home A/C
> unit is insulated, and the high side line is not?? It seems to me
> you would minimize the affects of external heat gain/loss by
> insulating both lines, thus being able to fine tune the system a
> little better.
>
>
> Thanks,
> Brad (AZ - very hot)
>

Cost...



Posted by geojr on July 9, 2007, 7:14 pm

>
> Can anyone tell me the reason that the low pressure line of home A/C
> unit is insulated, and the high side line is not?? It seems to me
> you would minimize the affects of external heat gain/loss by
> insulating both lines, thus being able to fine tune the system a
> little better.
>
>
> Thanks,
> Brad (AZ - very hot)
If you insulated the high side line you would probably lose some
efficiency( Albeit not very much)- there's no need to insulate it unless
you have a situation where it runs for a distance in a very hot attic after
a hefty lift or something goofy like that where you could get flash gas at
the metering device.



Posted by r.bartlett on July 10, 2007, 1:25 am

>
>>
>> Can anyone tell me the reason that the low pressure line of home A/C
>> unit is insulated, and the high side line is not?? It seems to me
>> you would minimize the affects of external heat gain/loss by
>> insulating both lines, thus being able to fine tune the system a
>> little better.
>>
>>
>> Thanks,
>> Brad (AZ - very hot)
> If you insulated the high side line you would probably lose some
> efficiency( Albeit not very much)-

Back that one up..



Posted by Jeffrey Lebowski on July 10, 2007, 4:53 am

>
> >
> >>
> >> Can anyone tell me the reason that the low pressure line of home A/C
> >> unit is insulated, and the high side line is not?? It seems to me
> >> you would minimize the affects of external heat gain/loss by
> >> insulating both lines, thus being able to fine tune the system a
> >> little better.
> >>
> >>
> >> Thanks,
> >> Brad (AZ - very hot)
> > If you insulated the high side line you would probably lose some
> > efficiency( Albeit not very much)-
>
> Back that one up..
>

Exception to the rule in AZ

Here almost always using HP and so typically both line have a foam layer.

--




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