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Posted by Petre on August 20, 2008, 4:01 am
KJPRO wrote:
>> Definitely a good idea to insulate the lines. Where I am (western NYS)
>> they
>> sell foam wrap at the hardware stores. As to securing the lines, after the
>> tubing is foam wrapped, it's not likely to rub on anything and wear
>> through.
>> So, strapping it down is less important, then.
>
>
> Might as well leave 50 feet freehang... LOL
Stormy must think that Code book is for sitting on to raise him up to
drivers height in that Pinto.
>
>
** Posted from http://www.teranews.com **
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Posted by DIMwit on August 20, 2008, 6:26 am
> KJPRO wrote:
>>> Definitely a good idea to insulate the lines. Where I am (western NYS)
>>> they
>>> sell foam wrap at the hardware stores. As to securing the lines, after
>>> the
>>> tubing is foam wrapped, it's not likely to rub on anything and wear
>>> through.
>>> So, strapping it down is less important, then.
>> Might as well leave 50 feet freehang... LOL
> Stormy must think that Code book is for sitting on to raise him up to
> drivers height in that Pinto.
> ** Posted from http://www.teranews.com **
Stormy needs to give us his address so we can send him a rock to bash his
own head in. Rocks are expensive, but I'd be willing to spend the 15 cents a
pound plus shipping for a good size rock. What color would you like Stormy?
I'll paint it for you. Your lame web site has no address that I was able to
see.
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Posted by lp13-30 on August 19, 2008, 9:26 pm
If the OP was located about anywhere else other than where he is (Az) he
would probably have discovered the lines were not insulated when he was
trying to figure out the cause of the very long skinny black stain on
his ceiling. Preventing condensation and the resulting damage is at
least as important a reason for insulating the suction line as
efficiency and protection from damage to the lines. We have seen a
number of damaged ceilings where critters have gotten in attics and torn
off the insulation. Larry
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Posted by on August 19, 2008, 10:02 pm
On Tue, 19 Aug 2008 20:26:19 -0500, LP1330@webtv.net (lp13-30) wrote:
>If the OP was located about anywhere else other than where he is (Az) he
>would probably have discovered the lines were not insulated when he was
>trying to figure out the cause of the very long skinny black stain on
>his ceiling.
In Arizona, most ceiling stains are caused by the illegal
immigrants living in the attic :-)
Preventing condensation and the resulting damage is at
>least as important a reason for insulating the suction line as
>efficiency and protection from damage to the lines. We have seen a
>number of damaged ceilings where critters have gotten in attics and torn
>off the insulation. Larry
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Posted by KJPRO on August 20, 2008, 10:59 pm
> This is in Arizona.
> The other day I was in my attic to lay some cat5 and noticed the ac
> lines in the attic running from the outside unit to the indoor part do
> not have any insulation on it. The line outside form the outside unit
> to the wall of the house do have insulation around it.
> The attic gets quite toasty and I'd think it would be a good idea to
> insulate them ? They are very easy to access.
> What do you think ?
> Also, the lines are hanging from one end to the other for quite a bit
> of distance and not supported.
> While I Was up there one of the units kicked in and I noticed the line
> moving a little bit when the unit started.(then stopped moving, so
> only moved caused by the start) Probably not good either ? What do I
> use to hang it more secure ? The roof is a wood frame roof with tile
> on top.
> Well, Hope you hvac guru's can give me some advice,
Only the suction side gests insulated (the large line, low pressure
side). The smaller line (high pressure side) will be operating at as
high as the attic temperature. It will be much higher temperature
than the outside ambient. Loosing heat from the high pressure side is
a good thing. Gaining heat on the low pressure side is bad.
Insulated it with more then the industry requires since the delta T in
the attic is high and energy costs are only to head in an upward
trend.
Andy
Home Performance XXXX
You've never heard of a reason to insulate a LL???
I removed part of your title... as it didn't fit you.
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>> they
>> sell foam wrap at the hardware stores. As to securing the lines, after the
>> tubing is foam wrapped, it's not likely to rub on anything and wear
>> through.
>> So, strapping it down is less important, then.